CDCC
/
OLAS


			
				
					
						
						
							1
							{"agents":{"ie":{"browser":"IE","abbr":"IE","prefix":"ms","type":"desktop","usage_global":{"5.5":0.009298,"6":0.0135053,"7":0.0135053,"8":0.211583,"9":0.121548,"10":0.130551,"11":2.78209},"version_list":[{"version":"5.5","global_usage":0.009298,"release_date":962323200,"era":-6,"prefix":""},{"version":"6","global_usage":0.0135053,"release_date":998870400,"era":-5,"prefix":""},{"version":"7","global_usage":0.0135053,"release_date":1161129600,"era":-4,"prefix":""},{"version":"8","global_usage":0.211583,"release_date":1237420800,"era":-3,"prefix":""},{"version":"9","global_usage":0.121548,"release_date":1300060800,"era":-2,"prefix":""},{"version":"10","global_usage":0.130551,"release_date":1346716800,"era":-1,"prefix":""},{"version":"11","global_usage":2.78209,"release_date":1381968000,"era":0,"prefix":""}],"current_version":"11"},"edge":{"browser":"Edge","abbr":"Edge","prefix":"ms","type":"desktop","usage_global":{"12":0.026358,"13":0.04393,"14":0.171327,"15":0.404156,"16":1.16854,"17":0.013179},"version_list":[{"version":"12","global_usage":0.026358,"release_date":1438128000,"era":-4,"prefix":""},{"version":"13","global_usage":0.04393,"release_date":1447286400,"era":-3,"prefix":""},{"version":"14","global_usage":0.171327,"release_date":1470096000,"era":-2,"prefix":""},{"version":"15","global_usage":0.404156,"release_date":1491868800,"era":-1,"prefix":""},{"version":"16","global_usage":1.16854,"release_date":1508198400,"era":0,"prefix":""},{"version":"17","global_usage":0.013179,"release_date":null,"era":1,"prefix":""}],"current_version":"16"},"firefox":{"browser":"Firefox","abbr":"FF","prefix":"moz","type":"desktop","usage_global":{"2":0.004393,"3":0.008786,"3.5":0.008786,"3.6":0.030751,"4":0.008786,"5":0.004879,"6":0.020136,"7":0.005725,"8":0.004393,"9":0.00533,"10":0.004283,"11":0.004393,"12":0.004393,"13":0.004486,"14":0.00453,"15":0.004393,"16":0.004393,"17":0.004349,"18":0.004393,"19":0.004443,"20":0.004283,"21":0.008786,"22":0.004393,"23":0.004393,"24":0.008786,"25":0.008786,"26":0.004393,"27":0.004393,"28":0.004393,"29":0.004393,"30":0.004393,"31":0.008786,"32":0.008786,"33":0.008786,"34":0.008786,"35":0.008786,"36":0.008786,"37":0.008786,"38":0.030751,"39":0.008786,"40":0.013179,"41":0.017572,"42":0.013179,"43":0.035144,"44":0.030751,"45":0.039537,"46":0.013179,"47":0.052716,"48":0.13179,"49":0.030751,"50":0.04393,"51":0.065895,"52":0.417335,"53":0.030751,"54":0.04393,"55":0.048323,"56":0.153755,"57":3.22446,"58":0.448086,"59":0.021965,"60":0,"61":0},"version_list":[{"version":"2","global_usage":0.004393,"release_date":1161648000,"era":-58,"prefix":""},{"version":"3","global_usage":0.008786,"release_date":1213660800,"era":-57,"prefix":""},{"version":"3.5","global_usage":0.008786,"release_date":1246320000,"era":-56,"prefix":""},{"version":"3.6","global_usage":0.030751,"release_date":1264032000,"era":-55,"prefix":""},{"version":"4","global_usage":0.008786,"release_date":1300752000,"era":-54,"prefix":""},{"version":"5","global_usage":0.004879,"release_date":1308614400,"era":-53,"prefix":""},{"version":"6","global_usage":0.020136,"release_date":1313452800,"era":-52,"prefix":""},{"version":"7","global_usage":0.005725,"release_date":1317081600,"era":-51,"prefix":""},{"version":"8","global_usage":0.004393,"release_date":1317081600,"era":-50,"prefix":""},{"version":"9","global_usage":0.00533,"release_date":1320710400,"era":-49,"prefix":""},{"version":"10","global_usage":0.004283,"release_date":1324339200,"era":-48,"prefix":""},{"version":"11","global_usage":0.004393,"release_date":1327968000,"era":-47,"prefix":""},{"version":"12","global_usage":0.004393,"release_date":1331596800,"era":-46,"prefix":""},{"version":"13","global_usage":0.004486,"release_date":1335225600,"era":-45,"prefix":""},{"version":"14","global_usage":0.00453,"release_date":1338854400,"era":-44,"prefix":""},{"version":"15","global_usage":0.004393,"release_date":1342483200,"era":-43,"prefix":""},{"version":"16","global_usage":0.004393,"release_date":1346112000,"era":-42,"prefix":""},{"version":"17","global_usage":0.004349,"release_date":1349740800,"era":-41,"prefix":""},{"version":"18","global_usage":0.004393,"release_date":1353628800,"era":-40,"prefix":""},{"version":"19","global_usage":0.004443,"release_date":1357603200,"era":-39,"prefix":""},{"version":"20","global_usage":0.004283,"release_date":1361232000,"era":-38,"prefix":""},{"version":"21","global_usage":0.008786,"release_date":1364860800,"era":-37,"prefix":""},{"version":"22","global_usage":0.004393,"release_date":1368489600,"era":-36,"prefix":""},{"version":"23","global_usage":0.004393,"release_date":1372118400,"era":-35,"prefix":""},{"version":"24","global_usage":0.008786,"release_date":1375747200,"era":-34,"prefix":""},{"version":"25","global_usage":0.008786,"release_date":1379376000,"era":-33,"prefix":""},{"version":"26","global_usage":0.004393,"release_date":1386633600,"era":-32,"prefix":""},{"version":"27","global_usage":0.004393,"release_date":1391472000,"era":-31,"prefix":""},{"version":"28","global_usage":0.004393,"release_date":1395100800,"era":-30,"prefix":""},{"version":"29","global_usage":0.004393,"release_date":1398729600,"era":-29,"prefix":""},{"version":"30","global_usage":0.004393,"release_date":1402358400,"era":-28,"prefix":""},{"version":"31","global_usage":0.008786,"release_date":1405987200,"era":-27,"prefix":""},{"version":"32","global_usage":0.008786,"release_date":1409616000,"era":-26,"prefix":""},{"version":"33","global_usage":0.008786,"release_date":1413244800,"era":-25,"prefix":""},{"version":"34","global_usage":0.008786,"release_date":1417392000,"era":-24,"prefix":""},{"version":"35","global_usage":0.008786,"release_date":1421107200,"era":-23,"prefix":""},{"version":"36","global_usage":0.008786,"release_date":1424736000,"era":-22,"prefix":""},{"version":"37","global_usage":0.008786,"release_date":1428278400,"era":-21,"prefix":""},{"version":"38","global_usage":0.030751,"release_date":1431475200,"era":-20,"prefix":""},{"version":"39","global_usage":0.008786,"release_date":1435881600,"era":-19,"prefix":""},{"version":"40","global_usage":0.013179,"release_date":1439251200,"era":-18,"prefix":""},{"version":"41","global_usage":0.017572,"release_date":1442880000,"era":-17,"prefix":""},{"version":"42","global_usage":0.013179,"release_date":1446508800,"era":-16,"prefix":""},{"version":"43","global_usage":0.035144,"release_date":1450137600,"era":-15,"prefix":""},{"version":"44","global_usage":0.030751,"release_date":1453852800,"era":-14,"prefix":""},{"version":"45","global_usage":0.039537,"release_date":1457395200,"era":-13,"prefix":""},{"version":"46","global_usage":0.013179,"release_date":1461628800,"era":-12,"prefix":""},{"version":"47","global_usage":0.052716,"release_date":1465257600,"era":-11,"prefix":""},{"version":"48","global_usage":0.13179,"release_date":1470096000,"era":-10,"prefix":""},{"version":"49","global_usage":0.030751,"release_date":1474329600,"era":-9,"prefix":""},{"version":"50","global_usage":0.04393,"release_date":1479168000,"era":-8,"prefix":""},{"version":"51","global_usage":0.065895,"release_date":1485216000,"era":-7,"prefix":""},{"version":"52","global_usage":0.417335,"release_date":1488844800,"era":-6,"prefix":""},{"version":"53","global_usage":0.030751,"release_date":1492560000,"era":-5,"prefix":""},{"version":"54","global_usage":0.04393,"release_date":1497312000,"era":-4,"prefix":""},{"version":"55","global_usage":0.048323,"release_date":1502150400,"era":-3,"prefix":""},{"version":"56","global_usage":0.153755,"release_date":1506556800,"era":-2,"prefix":""},{"version":"57","global_usage":3.22446,"release_date":1510617600,"era":-1,"prefix":""},{"version":"58","global_usage":0.448086,"release_date":1516665600,"era":0,"prefix":""},{"version":"59","global_usage":0.021965,"release_date":null,"era":1,"prefix":""},{"version":"60","global_usage":0,"release_date":null,"era":2,"prefix":""},{"version":"61","global_usage":0,"release_date":null,"era":3,"prefix":""}],"current_version":"58"},"chrome":{"browser":"Chrome","abbr":"Chr.","prefix":"webkit","type":"desktop","usage_global":{"4":0.004706,"5":0.004879,"6":0.004879,"7":0.005591,"8":0.005591,"9":0.005591,"10":0.004534,"11":0.013179,"12":0.004283,"13":0.004879,"14":0.004706,"15":0.009154,"16":0.004393,"17":0.004393,"18":0.008786,"19":0.008786,"20":0.004393,"21":0.008786,"22":0.026358,"23":0.008786,"24":0.013179,"25":0.008786,"26":0.013179,"27":0.008786,"28":0.008786,"29":0.114218,"30":0.008786,"31":0.026358,"32":0.008786,"33":0.017572,"34":0.026358,"35":0.013179,"36":0.013179,"37":0.013179,"38":0.035144,"39":0.021965,"40":0.021965,"41":0.017572,"42":0.026358,"43":0.074681,"44":0.017572,"45":0.026358,"46":0.021965,"47":0.048323,"48":0.057109,"49":0.948888,"50":0.030751,"51":0.057109,"52":0.039537,"53":0.035144,"54":0.079074,"55":0.347047,"56":0.127397,"57":0.140576,"58":0.215257,"59":0.193292,"60":0.246008,"61":0.386584,"62":0.61502,"63":23.2302,"64":0.57109,"65":0.04393,"66":0,"67":0},"version_list":[{"version":"4","global_usage":0.004706,"release_date":1264377600,"era":-60,"prefix":""},{"version":"5","global_usage":0.004879,"release_date":1274745600,"era":-59,"prefix":""},{"version":"6","global_usage":0.004879,"release_date":1283385600,"era":-58,"prefix":""},{"version":"7","global_usage":0.005591,"release_date":1287619200,"era":-57,"prefix":""},{"version":"8","global_usage":0.005591,"release_date":1291248000,"era":-56,"prefix":""},{"version":"9","global_usage":0.005591,"release_date":1296777600,"era":-55,"prefix":""},{"version":"10","global_usage":0.004534,"release_date":1299542400,"era":-54,"prefix":""},{"version":"11","global_usage":0.013179,"release_date":1303862400,"era":-53,"prefix":""},{"version":"12","global_usage":0.004283,"release_date":1307404800,"era":-52,"prefix":""},{"version":"13","global_usage":0.004879,"release_date":1312243200,"era":-51,"prefix":""},{"version":"14","global_usage":0.004706,"release_date":1316131200,"era":-50,"prefix":""},{"version":"15","global_usage":0.009154,"release_date":1316131200,"era":-49,"prefix":""},{"version":"16","global_usage":0.004393,"release_date":1319500800,"era":-48,"prefix":""},{"version":"17","global_usage":0.004393,"release_date":1323734400,"era":-47,"prefix":""},{"version":"18","global_usage":0.008786,"release_date":1328659200,"era":-46,"prefix":""},{"version":"19","global_usage":0.008786,"release_date":1332892800,"era":-45,"prefix":""},{"version":"20","global_usage":0.004393,"release_date":1337040000,"era":-44,"prefix":""},{"version":"21","global_usage":0.008786,"release_date":1340668800,"era":-43,"prefix":""},{"version":"22","global_usage":0.026358,"release_date":1343692800,"era":-42,"prefix":""},{"version":"23","global_usage":0.008786,"release_date":1348531200,"era":-41,"prefix":""},{"version":"24","global_usage":0.013179,"release_date":1352246400,"era":-40,"prefix":""},{"version":"25","global_usage":0.008786,"release_date":1357862400,"era":-39,"prefix":""},{"version":"26","global_usage":0.013179,"release_date":1361404800,"era":-38,"prefix":""},{"version":"27","global_usage":0.008786,"release_date":1364428800,"era":-37,"prefix":""},{"version":"28","global_usage":0.008786,"release_date":1369094400,"era":-36,"prefix":""},{"version":"29","global_usage":0.114218,"release_date":1374105600,"era":-35,"prefix":""},{"version":"30","global_usage":0.008786,"release_date":1376956800,"era":-34,"prefix":""},{"version":"31","global_usage":0.026358,"release_date":1384214400,"era":-33,"prefix":""},{"version":"32","global_usage":0.008786,"release_date":1389657600,"era":-32,"prefix":""},{"version":"33","global_usage":0.017572,"release_date":1392940800,"era":-31,"prefix":""},{"version":"34","global_usage":0.026358,"release_date":1397001600,"era":-30,"prefix":""},{"version":"35","global_usage":0.013179,"release_date":1400544000,"era":-29,"prefix":""},{"version":"36","global_usage":0.013179,"release_date":1405468800,"era":-28,"prefix":""},{"version":"37","global_usage":0.013179,"release_date":1409011200,"era":-27,"prefix":""},{"version":"38","global_usage":0.035144,"release_date":1412640000,"era":-26,"prefix":""},{"version":"39","global_usage":0.021965,"release_date":1416268800,"era":-25,"prefix":""},{"version":"40","global_usage":0.021965,"release_date":1421798400,"era":-24,"prefix":""},{"version":"41","global_usage":0.017572,"release_date":1425513600,"era":-23,"prefix":""},{"version":"42","global_usage":0.026358,"release_date":1429401600,"era":-22,"prefix":""},{"version":"43","global_usage":0.074681,"release_date":1432080000,"era":-21,"prefix":""},{"version":"44","global_usage":0.017572,"release_date":1437523200,"era":-20,"prefix":""},{"version":"45","global_usage":0.026358,"release_date":1441152000,"era":-19,"prefix":""},{"version":"46","global_usage":0.021965,"release_date":1444780800,"era":-18,"prefix":""},{"version":"47","global_usage":0.048323,"release_date":1449014400,"era":-17,"prefix":""},{"version":"48","global_usage":0.057109,"release_date":1453248000,"era":-16,"prefix":""},{"version":"49","global_usage":0.948888,"release_date":1456963200,"era":-15,"prefix":""},{"version":"50","global_usage":0.030751,"release_date":1460592000,"era":-14,"prefix":""},{"version":"51","global_usage":0.057109,"release_date":1464134400,"era":-13,"prefix":""},{"version":"52","global_usage":0.039537,"release_date":1469059200,"era":-12,"prefix":""},{"version":"53","global_usage":0.035144,"release_date":1472601600,"era":-11,"prefix":""},{"version":"54","global_usage":0.079074,"release_date":1476230400,"era":-10,"prefix":""},{"version":"55","global_usage":0.347047,"release_date":1480550400,"era":-9,"prefix":""},{"version":"56","global_usage":0.127397,"release_date":1485302400,"era":-8,"prefix":""},{"version":"57","global_usage":0.140576,"release_date":1489017600,"era":-7,"prefix":""},{"version":"58","global_usage":0.215257,"release_date":1492560000,"era":-6,"prefix":""},{"version":"59","global_usage":0.193292,"release_date":1496707200,"era":-5,"prefix":""},{"version":"60","global_usage":0.246008,"release_date":1500940800,"era":-4,"prefix":""},{"version":"61","global_usage":0.386584,"release_date":1504569600,"era":-3,"prefix":""},{"version":"62","global_usage":0.61502,"release_date":1508198400,"era":-2,"prefix":""},{"version":"63","global_usage":23.2302,"release_date":1512518400,"era":-1,"prefix":""},{"version":"64","global_usage":0.57109,"release_date":1516752000,"era":0,"prefix":""},{"version":"65","global_usage":0.04393,"release_date":null,"era":1,"prefix":""},{"version":"66","global_usage":0,"release_date":null,"era":2,"prefix":""},{"version":"67","global_usage":0,"release_date":null,"era":3,"prefix":""}],"current_version":"64"},"safari":{"browser":"Safari","abbr":"Saf.","prefix":"webkit","type":"desktop","usage_global":{"3.1":0,"3.2":0.008692,"4":0.008786,"5":0.021965,"5.1":0.08786,"6":0.004349,"6.1":0.013179,"7":0.008786,"7.1":0.004283,"8":0.039537,"9":0.057109,"9.1":0.237222,"10":0.158148,"10.1":0.421728,"11":1.48923,"11.1":0,"TP":0},"version_list":[{"version":"3.1","global_usage":0,"release_date":1205798400,"era":-14,"prefix":""},{"version":"3.2","global_usage":0.008692,"release_date":1226534400,"era":-13,"prefix":""},{"version":"4","global_usage":0.008786,"release_date":1244419200,"era":-12,"prefix":""},{"version":"5","global_usage":0.021965,"release_date":1275868800,"era":-11,"prefix":""},{"version":"5.1","global_usage":0.08786,"release_date":1311120000,"era":-10,"prefix":""},{"version":"6","global_usage":0.004349,"release_date":1343174400,"era":-9,"prefix":""},{"version":"6.1","global_usage":0.013179,"release_date":1382400000,"era":-8,"prefix":""},{"version":"7","global_usage":0.008786,"release_date":1382400000,"era":-7,"prefix":""},{"version":"7.1","global_usage":0.004283,"release_date":1410998400,"era":-6,"prefix":""},{"version":"8","global_usage":0.039537,"release_date":1413417600,"era":-5,"prefix":""},{"version":"9","global_usage":0.057109,"release_date":1443657600,"era":-4,"prefix":""},{"version":"9.1","global_usage":0.237222,"release_date":1458518400,"era":-3,"prefix":""},{"version":"10","global_usage":0.158148,"release_date":1474329600,"era":-2,"prefix":""},{"version":"10.1","global_usage":0.421728,"release_date":1490572800,"era":-1,"prefix":""},{"version":"11","global_usage":1.48923,"release_date":1505779200,"era":0,"prefix":""},{"version":"11.1","global_usage":0,"release_date":null,"era":1,"prefix":""},{"version":"TP","global_usage":0,"release_date":null,"era":2,"prefix":""}],"current_version":"11"},"opera":{"browser":"Opera","abbr":"Op.","prefix":"webkit","type":"desktop","usage_global":{"9":0.0082,"9.5-9.6":0.00685,"10.0-10.1":0,"10.5":0.008392,"10.6":0.004706,"11":0.016581,"11.1":0.006229,"11.5":0.004879,"11.6":0.008786,"12":0.008786,"12.1":0.061502,"15":0.00685,"16":0.00685,"17":0.00685,"18":0.005014,"19":0.006015,"20":0.004879,"21":0.006597,"22":0.006597,"23":0.013434,"24":0.006702,"25":0.006015,"26":0.005595,"27":0.004393,"28":0.008698,"29":0.004879,"30":0.004879,"31":0.004393,"32":0.005152,"33":0.005014,"34":0.009758,"35":0.004879,"36":0.039537,"37":0.004283,"38":0.004367,"39":0.004534,"40":0.004367,"41":0.004227,"42":0.004577,"43":0.008668,"44":0.004227,"45":0.004393,"46":0.004393,"47":0.008786,"48":0.013179,"49":0.360226,"50":0.421728,"51":0.004393,"52":0},"version_list":[{"version":"9","global_usage":0.0082,"release_date":1150761600,"era":-46,"prefix":"o"},{"version":"9.5-9.6","global_usage":0.00685,"release_date":1223424000,"era":-45,"prefix":"o"},{"version":"10.0-10.1","global_usage":0,"release_date":1251763200,"era":-44,"prefix":"o"},{"version":"10.5","global_usage":0.008392,"release_date":1267488000,"era":-43,"prefix":"o"},{"version":"10.6","global_usage":0.004706,"release_date":1277942400,"era":-42,"prefix":"o"},{"version":"11","global_usage":0.016581,"release_date":1292457600,"era":-41,"prefix":"o"},{"version":"11.1","global_usage":0.006229,"release_date":1302566400,"era":-40,"prefix":"o"},{"version":"11.5","global_usage":0.004879,"release_date":1309219200,"era":-39,"prefix":"o"},{"version":"11.6","global_usage":0.008786,"release_date":1323129600,"era":-38,"prefix":"o"},{"version":"12","global_usage":0.008786,"release_date":1323129600,"era":-37,"prefix":"o"},{"version":"12.1","global_usage":0.061502,"release_date":1352073600,"era":-36,"prefix":"o"},{"version":"15","global_usage":0.00685,"release_date":1372723200,"era":-35,"prefix":""},{"version":"16","global_usage":0.00685,"release_date":1377561600,"era":-34,"prefix":""},{"version":"17","global_usage":0.00685,"release_date":1381104000,"era":-33,"prefix":""},{"version":"18","global_usage":0.005014,"release_date":1386288000,"era":-32,"prefix":""},{"version":"19","global_usage":0.006015,"release_date":1390867200,"era":-31,"prefix":""},{"version":"20","global_usage":0.004879,"release_date":1393891200,"era":-30,"prefix":""},{"version":"21","global_usage":0.006597,"release_date":1399334400,"era":-29,"prefix":""},{"version":"22","global_usage":0.006597,"release_date":1401753600,"era":-28,"prefix":""},{"version":"23","global_usage":0.013434,"release_date":1405987200,"era":-27,"prefix":""},{"version":"24","global_usage":0.006702,"release_date":1409616000,"era":-26,"prefix":""},{"version":"25","global_usage":0.006015,"release_date":1413331200,"era":-25,"prefix":""},{"version":"26","global_usage":0.005595,"release_date":1417132800,"era":-24,"prefix":""},{"version":"27","global_usage":0.004393,"release_date":1422316800,"era":-23,"prefix":""},{"version":"28","global_usage":0.008698,"release_date":1425945600,"era":-22,"prefix":""},{"version":"29","global_usage":0.004879,"release_date":1430179200,"era":-21,"prefix":""},{"version":"30","global_usage":0.004879,"release_date":1433808000,"era":-20,"prefix":""},{"version":"31","global_usage":0.004393,"release_date":1438646400,"era":-19,"prefix":""},{"version":"32","global_usage":0.005152,"release_date":1442448000,"era":-18,"prefix":""},{"version":"33","global_usage":0.005014,"release_date":1445904000,"era":-17,"prefix":""},{"version":"34","global_usage":0.009758,"release_date":1449100800,"era":-16,"prefix":""},{"version":"35","global_usage":0.004879,"release_date":1454371200,"era":-15,"prefix":""},{"version":"36","global_usage":0.039537,"release_date":1457308800,"era":-14,"prefix":""},{"version":"37","global_usage":0.004283,"release_date":1462320000,"era":-13,"prefix":""},{"version":"38","global_usage":0.004367,"release_date":1465344000,"era":-12,"prefix":""},{"version":"39","global_usage":0.004534,"release_date":1470096000,"era":-11,"prefix":""},{"version":"40","global_usage":0.004367,"release_date":1474329600,"era":-10,"prefix":""},{"version":"41","global_usage":0.004227,"release_date":1477267200,"era":-9,"prefix":""},{"version":"42","global_usage":0.004577,"release_date":1481587200,"era":-8,"prefix":""},{"version":"43","global_usage":0.008668,"release_date":1486425600,"era":-7,"prefix":""},{"version":"44","global_usage":0.004227,"release_date":1490054400,"era":-6,"prefix":""},{"version":"45","global_usage":0.004393,"release_date":1494374400,"era":-5,"prefix":""},{"version":"46","global_usage":0.004393,"release_date":1498003200,"era":-4,"prefix":""},{"version":"47","global_usage":0.008786,"release_date":1502236800,"era":-3,"prefix":""},{"version":"48","global_usage":0.013179,"release_date":1506470400,"era":-2,"prefix":""},{"version":"49","global_usage":0.360226,"release_date":1510099200,"era":-1,"prefix":""},{"version":"50","global_usage":0.421728,"release_date":1515024000,"era":0,"prefix":""},{"version":"51","global_usage":0.004393,"release_date":null,"era":1,"prefix":""},{"version":"52","global_usage":0,"release_date":null,"era":2,"prefix":""}],"current_version":"50","prefix_exceptions":{"9":"o","9.5-9.6":"o","10.0-10.1":"o","10.5":"o","10.6":"o","11":"o","11.1":"o","11.5":"o","11.6":"o","12":"o","12.1":"o"}},"ios_saf":{"browser":"iOS Safari","abbr":"iOS","prefix":"webkit","type":"mobile","usage_global":{"3.2":0.0020338,"4.0-4.1":0,"4.2-4.3":0.0284732,"5.0-5.1":0.0183042,"6.0-6.1":0.00915211,"7.0-7.1":0.0549126,"8":0.0142366,"8.1-8.4":0.0915211,"9.0-9.2":0.092538,"9.3":0.429132,"10.0-10.2":0.536924,"10.3":1.16435,"11.0-11.2":7.70709,"11.3":0},"version_list":[{"version":"3.2","global_usage":0.0020338,"release_date":1270252800,"era":-12,"prefix":""},{"version":"4.0-4.1","global_usage":0,"release_date":1283904000,"era":-11,"prefix":""},{"version":"4.2-4.3","global_usage":0.0284732,"release_date":1299628800,"era":-10,"prefix":""},{"version":"5.0-5.1","global_usage":0.0183042,"release_date":1331078400,"era":-9,"prefix":""},{"version":"6.0-6.1","global_usage":0.00915211,"release_date":1359331200,"era":-8,"prefix":""},{"version":"7.0-7.1","global_usage":0.0549126,"release_date":1394409600,"era":-7,"prefix":""},{"version":"8","global_usage":0.0142366,"release_date":1410912000,"era":-6,"prefix":""},{"version":"8.1-8.4","global_usage":0.0915211,"release_date":1413763200,"era":-5,"prefix":""},{"version":"9.0-9.2","global_usage":0.092538,"release_date":1442361600,"era":-4,"prefix":""},{"version":"9.3","global_usage":0.429132,"release_date":1458518400,"era":-3,"prefix":""},{"version":"10.0-10.2","global_usage":0.536924,"release_date":1473724800,"era":-2,"prefix":""},{"version":"10.3","global_usage":1.16435,"release_date":1490572800,"era":-1,"prefix":""},{"version":"11.0-11.2","global_usage":7.70709,"release_date":1505779200,"era":0,"prefix":""},{"version":"11.3","global_usage":0,"release_date":null,"era":1,"prefix":""}],"current_version":"11.0-11.2"},"op_mini":{"browser":"Opera Mini","abbr":"O.Mini","prefix":"o","type":"mobile","usage_global":{"all":2.95675},"version_list":[{"version":"all","global_usage":2.95675,"release_date":1426464000,"era":0,"prefix":""}],"current_version":"all"},"android":{"browser":"Android Browser","abbr":"And.","prefix":"webkit","type":"mobile","usage_global":{"2.1":0,"2.2":0,"2.3":0,"3":0,"4":0,"4.1":0.0734441,"4.2-4.3":0.220332,"4.4":0.64714,"4.4.3-4.4.4":0.39355,"62":0},"version_list":[{"version":"2.1","global_usage":0,"release_date":1256515200,"era":-9,"prefix":""},{"version":"2.2","global_usage":0,"release_date":1274313600,"era":-8,"prefix":""},{"version":"2.3","global_usage":0,"release_date":1291593600,"era":-7,"prefix":""},{"version":"3","global_usage":0,"release_date":1298332800,"era":-6,"prefix":""},{"version":"4","global_usage":0,"release_date":1318896000,"era":-5,"prefix":""},{"version":"4.1","global_usage":0.0734441,"release_date":1341792000,"era":-4,"prefix":""},{"version":"4.2-4.3","global_usage":0.220332,"release_date":1374624000,"era":-3,"prefix":""},{"version":"4.4","global_usage":0.64714,"release_date":1386547200,"era":-2,"prefix":""},{"version":"4.4.3-4.4.4","global_usage":0.39355,"release_date":1401667200,"era":-1,"prefix":""},{"version":"62","global_usage":0,"release_date":1485907200,"era":0,"prefix":""}],"current_version":"62"},"bb":{"browser":"Blackberry Browser","abbr":"BB","prefix":"webkit","type":"mobile","usage_global":{"7":0.0145782,"10":0.0583128},"version_list":[{"version":"7","global_usage":0.0145782,"release_date":1325376000,"era":-1,"prefix":""},{"version":"10","global_usage":0.0583128,"release_date":1359504000,"era":0,"prefix":""}],"current_version":"10"},"op_mob":{"browser":"Opera Mobile","abbr":"O.Mob","prefix":"o","type":"mobile","usage_global":{"10":0,"11":0,"11.1":0,"11.5":0,"12":0,"12.1":0,"37":0.0111391},"version_list":[{"version":"10","global_usage":0,"release_date":1287100800,"era":-6,"prefix":""},{"version":"11","global_usage":0,"release_date":1300752000,"era":-5,"prefix":""},{"version":"11.1","global_usage":0,"release_date":1314835200,"era":-4,"prefix":""},{"version":"11.5","global_usage":0,"release_date":1318291200,"era":-3,"prefix":""},{"version":"12","global_usage":0,"release_date":1330300800,"era":-2,"prefix":""},{"version":"12.1","global_usage":0,"release_date":1349740800,"era":-1,"prefix":""},{"version":"37","global_usage":0.0111391,"release_date":1474588800,"era":0,"prefix":"webkit"}],"current_version":"37","prefix_exceptions":{"37":"webkit"}},"and_chr":{"browser":"Chrome for Android","abbr":"Chr/And.","prefix":"webkit","type":"mobile","usage_global":{"64":29.306},"version_list":[{"version":"64","global_usage":29.306,"release_date":1516665600,"era":0,"prefix":""}],"current_version":"64"},"and_ff":{"browser":"Firefox for Android","abbr":"FF/And.","prefix":"moz","type":"mobile","usage_global":{"57":0.459774},"version_list":[{"version":"57","global_usage":0.459774,"release_date":1510617600,"era":0,"prefix":""}],"current_version":"57"},"ie_mob":{"browser":"IE Mobile","abbr":"IE.Mob","prefix":"ms","type":"mobile","usage_global":{"10":0.033642,"11":0.201852},"version_list":[{"version":"10","global_usage":0.033642,"release_date":1340150400,"era":-1,"prefix":""},{"version":"11","global_usage":0.201852,"release_date":1353456000,"era":0,"prefix":""}],"current_version":"11"},"and_uc":{"browser":"UC Browser for Android","abbr":"UC","prefix":"webkit","type":"mobile","usage_global":{"11.8":8.50582},"version_list":[{"version":"11.8","global_usage":8.50582,"release_date":1471392000,"era":0,"prefix":"webkit"}],"current_version":"11.8","prefix_exceptions":{"11.8":"webkit"}},"samsung":{"browser":"Samsung Internet","abbr":"SS","prefix":"webkit","type":"mobile","usage_global":{"4":1.07282,"5":0.29164,"6.2":1.70818},"version_list":[{"version":"4","global_usage":1.07282,"release_date":1461024000,"era":-2,"prefix":""},{"version":"5","global_usage":0.29164,"release_date":1481846400,"era":-1,"prefix":""},{"version":"6.2","global_usage":1.70818,"release_date":1509408000,"era":0,"prefix":""}],"current_version":"6.2"},"and_qq":{"browser":"QQ Browser","abbr":"QQ","prefix":"webkit","type":"mobile","usage_global":{"1.2":0},"version_list":[{"version":"1.2","global_usage":0,"release_date":1483228800,"era":0,"prefix":""}],"current_version":"1.2"},"baidu":{"browser":"Baidu Browser","abbr":"baidu","prefix":"webkit","type":"mobile","usage_global":{"7.12":0},"version_list":[{"version":"7.12","global_usage":0,"release_date":1491004800,"era":0,"prefix":""}],"current_version":"7.12"}},"statuses":{"rec":"W3C Recommendation","pr":"W3C Proposed Recommendation","cr":"W3C Candidate Recommendation","wd":"W3C Working Draft","ls":"WHATWG Living Standard","other":"Other","unoff":"Unofficial / Note"},"cats":{"CSS":["CSS","CSS2","CSS3"],"HTML5":["Canvas","HTML5"],"JS":["JS"],"JS API":["JS API"],"Other":["PNG","Other","DOM"],"Security":["Security"],"SVG":["SVG"]},"updated":1518330687,"data":{"png-alpha":{"title":"PNG alpha transparency","description":"Semi-transparent areas in PNG files","spec":"https://www.w3.org/TR/PNG/","status":"rec","links":[{"url":"https://en.wikipedia.org/wiki/Portable_Network_Graphics","title":"Wikipedia"},{"url":"http://dillerdesign.com/experiment/DD_belatedPNG/","title":"Workaround for IE6"}],"categories":["PNG"],"stats":{"ie":{"5.5":"n","6":"p","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"IE6 does support full transparency in 8-bit PNGs, which can sometimes be an alternative to 24-bit PNGs.","notes_by_num":{},"usage_perc_y":98.22,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"apng":{"title":"Animated PNG (APNG)","description":"Like animated GIFs, but allowing 24-bit colors and alpha transparency","spec":"https://wiki.mozilla.org/APNG_Specification","status":"unoff","links":[{"url":"https://en.wikipedia.org/wiki/APNG","title":"Wikipedia"},{"url":"https://github.com/davidmz/apng-canvas","title":"Polyfill using canvas"},{"url":"https://chrome.google.com/webstore/detail/ehkepjiconegkhpodgoaeamnpckdbblp","title":"Chrome extension providing support"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6513393-apng-animated-png-images-support-firefox-and-sa","title":"Microsoft Edge feature request on UserVoice (under review)"},{"url":"https://addons.opera.com/en/extensions/details/apng/?display=en","title":"Opera extension providing support"},{"url":"https://code.google.com/p/chromium/issues/detail?id=437662","title":"Chromium issue (fixed)"},{"url":"https://developer.mozilla.org/en-US/docs/Mozilla/Tech/APNG","title":"MDN Web Docs - APNG"}],"categories":["PNG"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Where support for APNG is missing, only the first frame is displayed","notes_by_num":{},"usage_perc_y":73.61,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"6691520493125632","firefox_id":"","webkit_id":""},"video":{"title":"Video element","description":"Method of playing videos on webpages (without requiring a plug-in). Includes support for the following media properties: `currentSrc`, `currentTime`, `paused`, `playbackRate`, `buffered`, `duration`, `played`, `seekable`, `ended`, `autoplay`, `loop`, `controls`, `volume` & `muted`","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#the-video-element","status":"ls","links":[{"url":"https://dev.opera.com/articles/view/everything-you-need-to-know-about-html5-video-and-audio/","title":"Detailed article on video/audio elements"},{"url":"https://www.webmproject.org","title":"WebM format information"},{"url":"http://camendesign.co.uk/code/video_for_everybody","title":"Video for Everybody"},{"url":"http://diveintohtml5.info/video.html","title":"Video on the Web - includes info on Android support"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/video.js#video","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/elements/video","title":"WebPlatform Docs"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"a #2","3.6":"a #2","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y #3","11.1":"y #3","TP":"y #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y #3","11.3":"y #3"},"op_mini":{"all":"n"},"android":{"2.1":"a #1","2.2":"a #1","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Different browsers have support for different video formats, see sub-features for details.\r\n\r\n","notes_by_num":{"1":"The Android browser (before 2.3) requires [specific handling](http://www.broken-links.com/2010/07/08/making-html5-video-work-on-android-phones/) to run the video element.","2":"Old Firefox versions were missing support for some properties: `loop` was added in v11, `played` in v15, `playbackRate` in v20.","3":"Ignores the `autoplay` attribute by default, though autoplay behavior can be [enabled by users](https://webkit.org/blog/7734/auto-play-policy-changes-for-macos/)"},"usage_perc_y":94.87,"usage_perc_a":0.13,"ucprefix":false,"parent":"","keywords":"<video>","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"audio":{"title":"Audio element","description":"Method of playing sound on webpages (without requiring a plug-in). Includes support for the following media properties: `currentSrc`, `currentTime`, `paused`, `playbackRate`, `buffered`, `duration`, `played`, `seekable`, `ended`, `autoplay`, `loop`, `controls`, `volume` & `muted`","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#the-audio-element","status":"ls","links":[{"url":"http://html5doctor.com/native-audio-in-the-browser/","title":"HTML5 Doctor article"},{"url":"https://dev.opera.com/articles/view/everything-you-need-to-know-about-html5-video-and-audio/","title":"Detailed article on video/audio elements"},{"url":"http://www.jplayer.org/latest/demos/","title":"Demos of audio player that uses the audio element"},{"url":"http://24ways.org/2010/the-state-of-html5-audio","title":"Detailed article on support"},{"url":"http://textopia.org/androidsoundformats.html","title":"File format test page"},{"url":"http://www.phoboslab.org/log/2011/03/the-state-of-html5-audio","title":"The State of HTML5 Audio"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/audio.js#audio","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/elements/audio","title":"WebPlatform Docs"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"a","10.0-10.1":"a","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Old Firefox versions were missing support for some properties: `loop` was added in v11, `played` in v15, `playbackRate` in v20."},"usage_perc_y":94.86,"usage_perc_a":0.14,"ucprefix":false,"parent":"","keywords":"<audio>","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"contenteditable":{"title":"contenteditable attribute (basic support)","description":"Method of making any HTML element editable.","spec":"https://html.spec.whatwg.org/multipage/interaction.html#contenteditable","status":"ls","links":[{"url":"http://html5demos.com/contenteditable","title":"Demo page"},{"url":"https://blog.whatwg.org/the-road-to-html-5-contenteditable","title":"WHATWG blog post"},{"url":"https://accessgarage.wordpress.com/2009/05/08/how-to-hack-your-app-to-make-contenteditable-work/","title":"Blog post on usage problems"},{"url":"https://www.webplatform.org/docs/html/attributes/contentEditable","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en/docs/Web/API/HTMLElement/contentEditable","title":"MDN Web Docs - contentEditable attribute"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"a","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"This support only refers to very basic editing capability, implementations vary significantly on how certain elements can be edited.","notes_by_num":{},"usage_perc_y":95.24,"usage_perc_a":0.01,"ucprefix":false,"parent":"","keywords":"iscontenteditable","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"dragndrop":{"title":"Drag and Drop","description":"Method of easily dragging and dropping elements on a page, requiring minimal JavaScript.","spec":"https://html.spec.whatwg.org/multipage/interaction.html#dnd","status":"ls","links":[{"url":"http://html5doctor.com/native-drag-and-drop/","title":"HTML5 Doctor article"},{"url":"http://nettutsplus.s3.amazonaws.com/64_html5dragdrop/demo/index.html","title":"Shopping cart demo"},{"url":"http://html5demos.com/drag","title":"Demo with link blocks"},{"url":"https://www.webplatform.org/docs/dom/DragEvent","title":"WebPlatform Docs"},{"url":"https://github.com/MihaiValentin/setDragImage-IE","title":"Polyfill for setDragImage in IE"},{"url":"http://blog.teamtreehouse.com/implementing-native-drag-and-drop","title":"Implementing Native Drag and Drop"},{"url":"https://github.com/timruffles/ios-html5-drag-drop-shim","title":"iOS/Android shim for HTML 5 drag'n'drop"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6542268-setdragimage-on-datatransfer-of-dragevent","title":"Microsoft Edge setDragImage feature request on UserVoice"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"a #1 #3","6":"a #1 #3","7":"a #1 #3","8":"a #1 #3","9":"a #1 #3","10":"a #2 #3","11":"a #2 #3"},"edge":{"12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"p","3":"p","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"p","11.6":"p","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"y","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"`dataTransfer.items` only supported by Chrome.\r\n\r\nCurrently no browser supports the `dropzone` attribute.\r\n\r\nFirefox supports any kind of DOM elements for `.setDragImage`. Chrome must have either an `HTMLImageElement` or any kind of DOM elements attached to the DOM and within the viewport of the browser for `.setDragImage`.","notes_by_num":{"1":"Partial support refers to no support for the `dataTransfer.files` or `.types` objects","2":"Partial support refers to not supporting `.setDragImage`","3":"Partial support refers to limited supported formats for `dataTransfer.setData`/`getData`."},"usage_perc_y":44.89,"usage_perc_a":5.11,"ucprefix":false,"parent":"","keywords":"draganddrop, draggable","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"internationalization":{"title":"Internationalization API","description":"Locale-sensitive collation (string comparison), number formatting, and date and time formatting.","spec":"https://www.ecma-international.org/ecma-402/1.0/","status":"other","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl","title":"MDN Web Docs - Internationalization"},{"url":"http://norbertlindenberg.com/2012/12/ecmascript-internationalization-api/","title":"The ECMAScript Internationalization API"},{"url":"https://code.tutsplus.com/tutorials/working-with-intl--cms-21082","title":"Working With Intl"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=90906","title":"WebKit tracking bug"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1344625","title":"Firefox for Android tracking bug"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":84.16,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"Intl,Collator,NumberFormat,DateTimeFormat","ie_id":"ecmascriptinternationalizationapi","chrome_id":"","firefox_id":"","webkit_id":"specification-internationalization-api"},"queryselector":{"title":"querySelector/querySelectorAll","description":"Method of accessing DOM elements using CSS selectors","spec":"https://dom.spec.whatwg.org/#dom-parentnode-queryselector","status":"ls","links":[{"url":"https://developer.mozilla.org/en/DOM/element.querySelector","title":"MDN Web Docs - querySelector"},{"url":"https://developer.mozilla.org/En/DOM/Element.querySelectorAll","title":"MDN Web Docs - querySelectorAll"},{"url":"http://cjihrig.com/blog/javascripts-selectors-api/","title":"Blog post"},{"url":"https://www.webplatform.org/docs/css/selectors_api/querySelector","title":"WebPlatform Docs"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in IE8 is due to being limited to [CSS 2.1 selectors](/#feat=css-sel2) and a small subset of [CSS 3 selectors](/#feat=css-sel3) (see notes there). Additionally, it will have trouble with selectors including unrecognized tags (for example HTML5 ones)."},"usage_perc_y":97.96,"usage_perc_a":0.21,"ucprefix":false,"parent":"","keywords":"query,selectors,selectors api,document.queryselector","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"getelementsbyclassname":{"title":"getElementsByClassName","description":"Method of accessing DOM elements by class name","spec":"https://dom.spec.whatwg.org/#dom-document-getelementsbyclassname","status":"ls","links":[{"url":"https://www.quirksmode.org/dom/tests/basics.html#getElementsByClassName","title":"Test page"},{"url":"https://www.webplatform.org/docs/dom/HTMLElement/getElementsByClassName","title":"WebPlatform Docs"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.98,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"byclassname","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"forms":{"title":"HTML5 form features","description":"Expanded form options, including things like date pickers, sliders, validation, placeholders and multiple file uploads. Previously known as \"Web forms 2.0\".","spec":"https://html.spec.whatwg.org/multipage/forms.html#forms","status":"ls","links":[{"url":"https://miketaylr.com/code/input-type-attr.html","title":"HTML5 inputs and attribute support page"},{"url":"https://github.com/westonruter/webforms2","title":"Cross-browser JS implementation (based on original spec)"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"p","10":"a","11":"a"},"edge":{"12":"a","13":"a","14":"a","15":"a","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a"},"chrome":{"4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"a","5":"a","5.1":"a","6":"a","6.1":"a","7":"a","7.1":"a","8":"a","9":"a","9.1":"a","10":"a","10.1":"a","11":"a","11.1":"a","TP":"a"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a"},"ios_saf":{"3.2":"n","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"a","10.3":"a","11.0-11.2":"a","11.3":"a"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a","4.4.3-4.4.4":"a","62":"a"},"bb":{"7":"n","10":"a"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"a"},"and_chr":{"64":"a"},"and_ff":{"57":"a"},"ie_mob":{"10":"a","11":"a"},"and_uc":{"11.8":"y"},"samsung":{"4":"a","5":"a","6.2":"a"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"a"}},"notes":"","notes_by_num":{},"usage_perc_y":34.67,"usage_perc_a":59.87,"ucprefix":false,"parent":"","keywords":"input,datepicker","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"html5semantic":{"title":"New semantic elements","description":"HTML5 offers some new elements, primarily for semantic purposes. The elements include: `section`, `article`, `aside`, `header`, `footer`, `nav`, `figure`, `figcaption`, `time`, `mark` & `main`.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#sections","status":"ls","links":[{"url":"https://blog.whatwg.org/supporting-new-elements-in-ie","title":"Workaround for IE"},{"url":"https://blog.whatwg.org/styling-ie-noscript","title":"Alternate workaround"},{"url":"http://oli.jp/2009/html5-structure3/","title":"Article on structural elements"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/dom.js#dom-html5-elements","title":"has.js test"},{"url":"https://www.chromestatus.com/feature/5633937149788160","title":"Chrome Platform Status: `<time>` element"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"a #2","10":"a #2","11":"a #2"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"a #1","3.5":"a #1","3.6":"a #1","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #1","3.2":"a #1","4":"a #1","5":"a #2","5.1":"a #2","6":"a #2","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a #1","9.5-9.6":"a #1","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #2","11.5":"a #2","11.6":"a #2","12":"a #2","12.1":"a #2","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #2","4.2-4.3":"a #2","5.0-5.1":"a #2","6.0-6.1":"a #2","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"a #1","2.2":"a #2","2.3":"a #2","3":"a #2","4":"a #2","4.1":"a #2","4.2-4.3":"a #2","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #2","10":"a #2"},"op_mob":{"10":"a #1","11":"a #2","11.1":"a #2","11.5":"a #2","12":"a #2","12.1":"a #2","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #2","11":"a #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to missing the default styling, as technically the elements are considered \"[unknown](https://developer.mozilla.org/en-US/docs/Web/API/HTMLUnknownElement)\". This is easily taken care of by manually setting the default `display` value for each tag.","2":"Partial support refers to only the `<main>` element (added later to the spec) being \"unknown\", though it can still be used and styled."},"usage_perc_y":90.76,"usage_perc_a":7.23,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-line-clamp":{"title":"CSS line-clamp","description":"Proprietary and undocumented CSS property that will contain text to a given amount of lines when used in combination with `display: -webkit-box`. It will end with ellipsis when `text-overflow: ellipsis` is included.","spec":"https://developer.apple.com/library/safari/documentation/AppleApplications/Reference/SafariCSSRef/Articles/StandardCSSProperties.html#//apple_ref/doc/uid/TP30001266-WebKit_SpecificUnsupportedProperties","status":"unoff","links":[{"url":"http://guerillalabs.co/blog/css-line-clamping.html","title":"Article on cross-browser CSS line clamping"},{"url":"https://css-tricks.com/line-clampin/","title":"CSS Tricks article"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x","62":"y x","63":"y x","64":"y x","65":"y x","66":"y x","67":"y x"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y x","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y x"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y x"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y x"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y x"}},"notes":"As there is no specification and the property is dependent on an outdated implementation of flexbox (hence `display: -webkit-box`) it is unlikely that other browsers will support the property as-is, although an alternative solution may at some point replace it.\r\n\r\nOlder (presto-based) versions of the Opera browser have also supported the same effect using the proprietary `-o-ellipsis-lastline;` value for `text-overflow`.","notes_by_num":{},"usage_perc_y":84.05,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"offline-apps":{"title":"Offline web applications","description":"Now deprecated method of defining web page files to be cached using a cache manifest file, allowing them to work offline on subsequent visits to the page. ","spec":"https://html.spec.whatwg.org/multipage/browsers.html#offline","status":"unoff","links":[{"url":"https://www.sitepoint.com/offline-web-application-tutorial/","title":"Sitepoint tutorial"},{"url":"http://diveintohtml5.info/offline.html","title":"Dive Into HTML5 article"},{"url":"https://hacks.mozilla.org/2010/01/offline-web-applications/","title":"Mozilla Hacks article/demo"},{"url":"https://www.webplatform.org/docs/apis/appcache/ApplicationCache","title":"WebPlatform Docs"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"a","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"p","10.5":"p","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"This technology is being deprecated in favor of [Service Workers](https://caniuse.com/#feat=serviceworkers)","notes_by_num":{},"usage_perc_y":94.87,"usage_perc_a":0.01,"ucprefix":false,"parent":"","keywords":"appcache,applicationcache,app cache,application cache,online","ie_id":"applicationcache","chrome_id":"6192449487634432","firefox_id":"","webkit_id":""},"webworkers":{"title":"Web Workers","description":"Method of running scripts in the background, isolated from the web page","spec":"https://html.spec.whatwg.org/multipage/workers.html","status":"ls","links":[{"url":"https://developer.mozilla.org/En/Using_web_workers","title":"MDN Web Docs - Using Web Workers"},{"url":"https://nerget.com/rayjs-mt/rayjs.html","title":"Web Worker demo"},{"url":"https://code.google.com/archive/p/ie-web-worker/","title":"Polyfill for IE (single threaded)"},{"url":"https://code.tutsplus.com/tutorials/getting-started-with-web-workers--net-27667","title":"Tutorial"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"p","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"p","10.5":"p","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"p","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":94.54,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"fontface":{"title":"@font-face Web fonts","description":"Method of displaying fonts downloaded from websites","spec":"https://www.w3.org/TR/css3-webfonts/","status":"cr","links":[{"url":"http://webfonts.info","title":"News and information site"},{"url":"https://en.wikipedia.org/wiki/Web_typography","title":"Wikipedia"},{"url":"https://www.webplatform.org/docs/css/atrules/@font-face","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #2","4.0-4.1":"a #2","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"a","2.3":"a","3":"a","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Not supported by IE Mobile 9 and below.","notes_by_num":{"1":"Partial support refers to only supporting EOT fonts.","2":"Partial support refers to only supporting SVG fonts."},"usage_perc_y":94.99,"usage_perc_a":0.26,"ucprefix":false,"parent":"","keywords":"font face","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"eot":{"title":"EOT - Embedded OpenType fonts","description":"Type of font that can be derived from a regular font, allowing small files and legal use of high-quality fonts. Usage is restricted by the file being tied to the website","spec":"https://www.w3.org/Submission/EOT/","status":"unoff","links":[{"url":"https://en.wikipedia.org/wiki/Embedded_OpenType","title":"Wikipedia"},{"url":"https://www.microsoft.com/typography/web/embedding/default.aspx","title":"Example pages"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Proposal by Microsoft, being considered for W3C standardization.","notes_by_num":{},"usage_perc_y":3.27,"usage_perc_a":0,"ucprefix":false,"parent":"fontface","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"woff":{"title":"WOFF - Web Open Font Format","description":"Compressed TrueType/OpenType font that contains information about the font's source.","spec":"https://www.w3.org/TR/WOFF/","status":"rec","links":[{"url":"https://hacks.mozilla.org/2009/10/woff/","title":"Mozilla hacks blog post"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n #1","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Reported to be supported in some modified versions of the Android 4.0 browser."},"usage_perc_y":94.6,"usage_perc_a":0,"ucprefix":false,"parent":"fontface","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"multibackgrounds":{"title":"CSS3 Multiple backgrounds","description":"Method of using multiple images as a background","spec":"https://www.w3.org/TR/css3-background/","status":"cr","links":[{"url":"http://www.css3.info/preview/multiple-backgrounds/","title":"Demo & information page"},{"url":"https://www.webplatform.org/docs/css/properties/background-image","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.95,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"border-image":{"title":"CSS3 Border images","description":"Method of using images for borders","spec":"https://www.w3.org/TR/css3-background/#border-images","status":"cr","links":[{"url":"https://www.webplatform.org/docs/css/properties/border-image","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org//docs/Web/CSS/border-image","title":"MDN Web Docs - Border image"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y #1","13":"y #1","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"a x #2 #3","3.6":"a x #2 #3","4":"a x #2 #3","5":"a x #2 #3","6":"a x #2 #3","7":"a x #2 #3","8":"a x #2 #3","9":"a x #2 #3","10":"a x #2 #3","11":"a x #2 #3","12":"a x #2 #3","13":"a x #2 #3","14":"a x #2 #3","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"a #2","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x #1 #2 #3 #4","5":"a x #1 #2 #3 #4","6":"a x #1 #2 #3 #4","7":"a x #1 #2 #3 #4","8":"a x #1 #2 #3 #4","9":"a x #1 #2 #3 #4","10":"a x #1 #2 #3 #4","11":"a x #1 #2 #3 #4","12":"a x #1 #2 #3 #4","13":"a x #1 #2 #3 #4","14":"a x #1 #2 #3 #4","15":"a #1 #2 #4","16":"a #1 #2 #4","17":"a #1 #2 #4","18":"a #1 #2 #4","19":"a #1 #2 #4","20":"a #1 #2 #4","21":"a #1 #2 #4","22":"a #1 #2 #4","23":"a #1 #2 #4","24":"a #1 #2 #4","25":"a #1 #2 #4","26":"a #1 #2 #4","27":"a #1 #2 #4","28":"a #1 #2 #4","29":"a #1 #2 #4","30":"a #1 #2","31":"a #1 #2","32":"a #1 #2","33":"a #1 #2","34":"a #1 #2","35":"a #1 #2","36":"a #1 #2","37":"a #1 #2","38":"a #1 #2","39":"a #1 #2","40":"a #1 #2","41":"a #1 #2","42":"a #1 #2","43":"a #1 #2","44":"a #1 #2","45":"a #1 #2","46":"a #1 #2","47":"a #1 #2","48":"a #1 #2","49":"a #1 #2","50":"a #1 #2","51":"a #2","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #2","60":"a #2","61":"a #2","62":"a #2","63":"a #2","64":"a #2","65":"a #2","66":"a #2","67":"a #2"},"safari":{"3.1":"a x #1 #2 #3 #4","3.2":"a x #1 #2 #3 #4","4":"a x #1 #2 #3 #4","5":"a x #1 #2 #3 #4","5.1":"a x #1 #2 #3 #4","6":"a #1 #2 #4","6.1":"a #1 #2 #4","7":"a #1 #2 #4","7.1":"a #1 #2 #4","8":"a #1 #2 #4","9":"a #1 #2 #4","9.1":"y #1","10":"y #1","10.1":"y #1","11":"y #1","11.1":"y #1","TP":"y #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"a #2 #3 #4","10.6":"a #2 #3 #4","11":"a x #2 #3 #4","11.1":"a x #2 #3 #4","11.5":"a x #2 #3 #4","11.6":"a x #2 #3 #4","12":"a x #2 #3 #4","12.1":"a x #2 #3 #4","15":"a #1 #2","16":"a #1 #2","17":"a #1 #2","18":"a #1 #2","19":"a #1 #2","20":"a #1 #2","21":"a #1 #2","22":"a #1 #2","23":"a #1 #2","24":"a #1 #2","25":"a #1 #2","26":"a #1 #2","27":"a #1 #2","28":"a #1 #2","29":"a #1 #2","30":"a #1 #2","31":"a #1 #2","32":"a #1 #2","33":"a #1 #2","34":"a #1 #2","35":"a #1 #2","36":"a #1 #2","37":"a #1 #2","38":"a #2","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2"},"ios_saf":{"3.2":"a x #1 #2 #3 #4","4.0-4.1":"a x #1 #2 #3 #4","4.2-4.3":"a x #1 #2 #3 #4","5.0-5.1":"a x #1 #2 #3 #4","6.0-6.1":"a #1 #2 #4","7.0-7.1":"a #1 #2 #4","8":"a #1 #2 #4","8.1-8.4":"a #1 #2 #4","9.0-9.2":"a #1 #2 #4","9.3":"y #1","10.0-10.2":"y #1","10.3":"y #1","11.0-11.2":"y #1","11.3":"y #1"},"op_mini":{"all":"a x #2 #3 #4"},"android":{"2.1":"a x #1 #2 #3 #4","2.2":"a x #1 #2 #3 #4","2.3":"a x #1 #2 #3 #4","3":"a x #1 #2 #3 #4","4":"a x #1 #2 #3 #4","4.1":"a x #1 #2 #3 #4","4.2-4.3":"a x #1 #2 #3 #4","4.4":"a #1 #2","4.4.3-4.4.4":"a #1 #2","62":"a #1 #2"},"bb":{"7":"a #1 #2 #3 #4","10":"a #1 #2 #4"},"op_mob":{"10":"n","11":"a x #2 #3 #4","11.1":"a x #2 #3 #4","11.5":"a x #2 #3 #4","12":"a x #2 #3 #4","12.1":"a x #2 #3 #4","37":"a #1 #2"},"and_chr":{"64":"a #2"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"a #1 #2"},"samsung":{"4":"a #1 #2","5":"a #2","6.2":"a #2"},"and_qq":{"1.2":"a #2"},"baidu":{"7.12":"a #2"}},"notes":"Note that both the `border-style` and `border-width` must be specified (not set to `none` or 0) for border-images to work.","notes_by_num":{"1":"Has a bug where `border-image` incorrectly overrides `border-style`. See [test case](https://codepen.io/Savago/pen/yYrgyK), [WebKit bug](https://bugs.webkit.org/show_bug.cgi?id=99922), [discussion](https://github.com/whatwg/compat/issues/17)","2":"Partial support refers to not supporting `border-image-repeat: space`","3":"Partial support refers to supporting the shorthand syntax, but not the individual properties (`border-image-source`, `border-image-slice`, etc). ","4":"Partial support refers to not supporting `border-image-repeat: round`"},"usage_perc_y":21.91,"usage_perc_a":75.76,"ucprefix":false,"parent":"","keywords":"border-image-source,border-image-slice,border-image-repeat,border-image-width,,border-image-outset","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"background-img-opts":{"title":"CSS3 Background-image options","description":"New properties to affect background images, including background-clip, background-origin and background-size","spec":"https://www.w3.org/TR/css3-background/#backgrounds","status":"cr","links":[{"url":"http://www.standardista.com/css3/css3-background-properties","title":"Detailed compatibility tables and demos"},{"url":"https://github.com/louisremi/background-size-polyfill","title":"Polyfill for IE7-8"},{"url":"https://developer.mozilla.org/en/docs/Web/CSS/background-image","title":"MDN Web Docs - background-image"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"a x","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #3","5":"a #3","6":"a #3","7":"a #3","8":"a #3","9":"a #3","10":"a #3","11":"a #3","12":"a #3","13":"a #3","14":"a #3","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #2 #3","3.2":"a #2 #3","4":"a #2 #3","5":"a #2 #3","5.1":"a #2 #3","6":"a #2 #3","6.1":"a #2 #3","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"a x","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a #3","6.0-6.1":"a","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"a x","2.2":"a x #3","2.3":"a x #3","3":"a #3","4":"a #3","4.1":"a #3","4.2-4.3":"a #3","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Firefox, Chrome and Safari support the unofficial `-webkit-background-clip: text` (only with prefix)","notes_by_num":{"1":"Partial support in Opera Mini refers to not supporting background sizing or background attachments. However Opera Mini 7.5 supports background sizing (including cover and contain values).","2":"Partial support in Safari 6 refers to not supporting background sizing offset from edges syntax.","3":"Does not support `background-size` values in the `background` shorthand"},"usage_perc_y":94.41,"usage_perc_a":3.55,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-table":{"title":"CSS Table display","description":"Method of displaying elements as tables, rows, and cells. Includes support for all `display: table-*` properties as well as `display: inline-table`","spec":"https://www.w3.org/TR/CSS21/tables.html","status":"rec","links":[{"url":"http://www.onenaught.com/posts/201/use-css-displaytable-for-layout","title":"Blog post on usage"}],"categories":["CSS2"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #1","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Firefox 2 does not support `inline-table`"},"usage_perc_y":98.2,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"display:table,table-cell,table-row,table-layout","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-gencontent":{"title":"CSS Generated content for pseudo-elements","description":"Method of displaying text or images before or after the given element's contents using the ::before and ::after pseudo-elements. All browsers with support also support the `attr()` notation in the `content` property. ","spec":"https://www.w3.org/TR/CSS21/generate.html","status":"rec","links":[{"url":"http://www.westciv.com/style_master/academy/css_tutorial/advanced/generated_content.html","title":"Guide on usage"},{"url":"https://dev.opera.com/articles/view/css-generated-content-techniques/","title":"Dev.Opera article"},{"url":"https://www.webplatform.org/docs/css/generated_and_replaced_content","title":"WebPlatform Docs"}],"categories":["CSS2","CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"For content to appear in pseudo-elements, the `content` property must be set (but may be an empty string).","notes_by_num":{"1":"IE8 only supports the single-colon CSS 2.1 syntax (i.e. :pseudo-class). It does not support the double-colon CSS3 syntax (i.e. ::pseudo-element)."},"usage_perc_y":97.99,"usage_perc_a":0.21,"ucprefix":false,"parent":"","keywords":"before,after","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-fixed":{"title":"CSS position:fixed","description":"Method of keeping an element in a fixed location regardless of scroll position","spec":"https://www.w3.org/TR/CSS21/visuren.html#fixed-positioning","status":"rec","links":[{"url":"http://www.css-101.org/fixed-positioning/05.php","title":"Workaround for IE6"},{"url":"http://bradfrostweb.com/blog/mobile/fixed-position/","title":"Article on mobile support"},{"url":"https://www.webplatform.org/docs/css/properties/position","title":"WebPlatform Docs"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"p","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y #4","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a #2","2.2":"a #2","2.3":"a #2","3":"y","4":"y #3","4.1":"y #3","4.2-4.3":"y #3","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in older iOS Safari refers to [buggy behavior](http://remysharp.com/2012/05/24/issues-with-position-fixed-scrolling-on-ios/).","2":"Only works in Android 2.1 thru 2.3 by using the following meta tag: <meta name=\"viewport\" content=\"width=device-width, user-scalable=no\">.","3":"Android 4.0-4.3 [ignore transforms and margin:auto on position:fixed elements](https://codepen.io/mattiacci/pen/mPRKZY).","4":"in Safari 9.1, having a `position:fixed`-element inside an animated element, [may cause the `position:fixed`-element to not appear](https://jsbin.com/fuxipax)."},"usage_perc_y":95.15,"usage_perc_a":0.08,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"beacon":{"title":"Beacon API","description":"Allows data to be sent asynchronously to a server with `navigator.sendBeacon`, even after a page was closed. Useful for posting analytics data the moment a user was finished using the page.","spec":"https://www.w3.org/TR/beacon/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon","title":"MDN Web Docs - Beacon"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":76.68,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"beacon","chrome_id":"5517433905348608","firefox_id":"","webkit_id":"specification-beacon-api"},"hashchange":{"title":"Hashchange event","description":"Event triggered in JavaScript when the URL's hash has changed (for example: page.html#foo to page.html#bar) ","spec":"https://html.spec.whatwg.org/multipage/browsers.html#the-hashchangeevent-interface","status":"ls","links":[{"url":"https://developer.mozilla.org/en/DOM/window.onhashchange","title":"MDN Web Docs - onhashchange"},{"url":"http://msdn.microsoft.com/en-us/library/cc288209(VS.85).aspx","title":"MSDN article"},{"url":"https://www.quirksmode.org/dom/events/tests/hashchange.html","title":"Simple demo"},{"url":"https://github.com/3nr1c/jUri.js","title":"Polyfill"},{"url":"https://www.webplatform.org/docs/dom/Element/hashchange","title":"WebPlatform Docs"}],"categories":["HTML5","JS API"],"stats":{"ie":{"5.5":"p","6":"p","7":"p","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"p","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":95.18,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"onhashchange,HashChangeEvent","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-sel2":{"title":"CSS 2.1 selectors","description":"Basic CSS selectors including: `*` (universal selector), `>` (child selector), `:first-child`, `:link`, `:visited`, `:active`, `:hover`, `:focus`, `:lang()`, `+` (adjacent sibling selector), `[attr]`, `[attr=\"val\"]`, `[attr~=\"val\"]`, `[attr|=\"bar\"]`, `.foo` (class selector), `#foo` (id selector)","spec":"https://www.w3.org/TR/CSS21/selector.html","status":"rec","links":[{"url":"https://www.quirksmode.org/css/contents.html","title":"Detailed support information"},{"url":"http://www.yourhtmlsource.com/stylesheets/advancedselectors.html","title":"Examples of advanced selectors"},{"url":"http://selectivizr.com","title":"Selectivizr: Polyfill for IE6-8"},{"url":"https://www.webplatform.org/docs/css/selectors","title":"WebPlatform Docs"}],"categories":["CSS2"],"stats":{"ie":{"5.5":"n","6":"p","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support for `:visited` styling [varies across browsers](http://sixrevisions.com/css/visited-pseudo-class-strange/) due to security concerns.","notes_by_num":{},"usage_perc_y":98.22,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"attribute selector","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-sel3":{"title":"CSS3 selectors","description":"Advanced element selection using selectors including: `[foo^=\"bar\"]`, `[foo$=\"bar\"]`, `[foo*=\"bar\"]`, `:root`, `:nth-child()`,  `:nth-last-child()`, `nth-of-type`, `nth-last-of-type()`, `:last-child`, `:first-of-type`, `:last-of-type`, `:only-child`, `:only-of-type`, `:empty`, `:target`, `:enabled`, `:disabled`, `:checked`, `:not()`, `~` (general sibling)","spec":"https://www.w3.org/TR/css3-selectors/","status":"rec","links":[{"url":"https://www.quirksmode.org/css/selectors/","title":"Detailed support information"},{"url":"http://www.css3.info/selectors-test/","title":"Automated CSS3 selector test"},{"url":"http://selectivizr.com","title":"Selectivizr: Polyfill for IE6-8"},{"url":"https://www.webplatform.org/docs/css/selectors","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"p","7":"a #1","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE7 and IE8 support only these CSS3 selectors: General siblings (`element1~element2`) and Attribute selectors `[attr^=val]`, `[attr$=val]`, and `[attr*=val]`"},"usage_perc_y":97.97,"usage_perc_a":0.23,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-textshadow":{"title":"CSS3 Text-shadow","description":"Method of applying one or more shadow or blur effects to text","spec":"https://www.w3.org/TR/css-text-decor-3/#text-shadow-property","status":"cr","links":[{"url":"https://hacks.mozilla.org/2009/06/text-shadow/","title":"Mozilla hacks article"},{"url":"https://testdrive-archive.azurewebsites.net/Graphics/hands-on-css3/hands-on_text-shadow.htm","title":"Live editor"},{"url":"https://www.webplatform.org/docs/css/properties/text-shadow","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y #1","11":"y #1"},"edge":{"12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #2","3.2":"a #2","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y #1","11":"y #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Opera Mini ignores the blur-radius set, so no blur effect is visible. Text-shadow behavior can be somewhat emulated in older IE versions using the non-standard \"dropshadow\" or \"glow\" filters.","notes_by_num":{"1":"IE 10+ supports a fourth length value for the shadow's \"spread\". This is not (yet) part of the specification.","2":"Partial support in Safari 3.* refers to not supporting multiple shadows."},"usage_perc_y":94.87,"usage_perc_a":2.98,"ucprefix":false,"parent":"","keywords":"text shadow","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-boxshadow":{"title":"CSS3 Box-shadow","description":"Method of displaying an inner or outer shadow effect to elements","spec":"https://www.w3.org/TR/css3-background/#box-shadow","status":"cr","links":[{"url":"https://developer.mozilla.org/En/CSS/-moz-box-shadow","title":"MDN Web Docs - box-shadow"},{"url":"http://westciv.com/tools/boxshadows/index.html","title":"Live editor"},{"url":"http://tests.themasta.com/blogstuff/boxshadowdemo.html","title":"Demo of various effects"},{"url":"https://www.webplatform.org/docs/css/properties/box-shadow","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y x","3.6":"y x","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a x #1","3.2":"a x #1","4":"a x #1","5":"y x","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a x #1","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a x #1","2.2":"a x #1","2.3":"a x #1","3":"a x #1","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y x","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Can be partially emulated in older IE versions using the non-standard \"shadow\" filter.","notes_by_num":{"1":"Partial support in Safari, iOS Safari and Android Browser refers to missing \"inset\", blur radius value, and multiple shadow support."},"usage_perc_y":94.99,"usage_perc_a":0.02,"ucprefix":false,"parent":"","keywords":"box-shadows,boxshadows,box shadow,shaow","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css3-colors":{"title":"CSS3 Colors","description":"Method of describing colors using Hue, Saturation and Lightness (hsl()) rather than just RGB, as well as allowing alpha-transparency with rgba() and hsla().","spec":"https://www.w3.org/TR/css3-color/","status":"rec","links":[{"url":"https://dev.opera.com/articles/view/color-in-opera-10-hsl-rgb-and-alpha-transparency/","title":"Dev.Opera article"},{"url":"https://www.webplatform.org/docs/css/color#RGBA_Notation","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"a","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.97,"usage_perc_a":0.01,"ucprefix":false,"parent":"","keywords":"rgb,hsl,rgba,hsla","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css3-boxsizing":{"title":"CSS3 Box-sizing","description":"Method of specifying whether or not an element's borders and padding should be included in size units","spec":"https://www.w3.org/TR/css3-ui/#box-sizing","status":"cr","links":[{"url":"https://developer.mozilla.org/En/CSS/Box-sizing","title":"MDN Web Docs - CSS box-sizing"},{"url":"http://www.456bereastreet.com/archive/201104/controlling_width_with_css3_box-sizing/","title":"Blog post"},{"url":"https://github.com/Schepp/box-sizing-polyfill","title":"Polyfill for IE"},{"url":"https://css-tricks.com/box-sizing/","title":"CSS Tricks"},{"url":"https://www.webplatform.org/docs/css/properties/box-sizing","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"p","6":"p","7":"p","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y x","3":"y x","3.5":"y x","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y x","3.2":"y x","4":"y x","5":"y x","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y x","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y x","2.2":"y x","2.3":"y x","3":"y x","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y x","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Firefox versions before 57 also supported the `padding-box` value for `box-sizing`, though this value was been removed from the specification and later versions of the browser.","notes_by_num":{},"usage_perc_y":98.2,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"border-box,content-box","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-mediaqueries":{"title":"CSS3 Media Queries","description":"Method of applying styles based on media information. Includes things like page and device dimensions","spec":"https://www.w3.org/TR/css3-mediaqueries/","status":"rec","links":[{"url":"http://ie.microsoft.com/testdrive/HTML5/85CSS3_MediaQueries/","title":"IE demo page with information"},{"url":"http://webdesignerwall.com/tutorials/responsive-design-with-css3-media-queries","title":"Media Queries tutorial"},{"url":"https://github.com/scottjehl/Respond","title":"Polyfill for IE"},{"url":"https://www.webplatform.org/docs/css/atrules/@media","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"p","6":"p","7":"p","8":"p","9":"y #1","10":"y #1","11":"y #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y #1","5":"y #1","6":"y #1","7":"y #1","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #1 #2","3.2":"a #1 #2","4":"y #1","5":"y #1","5.1":"y #1","6":"y #1","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y #1","4.0-4.1":"y #1","4.2-4.3":"y #1","5.0-5.1":"y #1","6.0-6.1":"y #1","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y #1","2.2":"y #1","2.3":"y #1","3":"y #1","4":"y #1","4.1":"y #1","4.2-4.3":"y #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y #1","11":"y #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not support nested media queries","2":"Partial support refers to only acknowledging different media rules on page reload"},"usage_perc_y":97.96,"usage_perc_a":0.01,"ucprefix":false,"parent":"","keywords":"@media","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"multicolumn":{"title":"CSS3 Multiple column layout","description":"Method of flowing information in multiple columns","spec":"https://www.w3.org/TR/css3-multicol/","status":"cr","links":[{"url":"https://dev.opera.com/articles/view/css3-multi-column-layout/","title":"Dev.Opera article"},{"url":"https://webdesign.tutsplus.com/articles/an-introduction-to-the-css3-multiple-column-layout-module--webdesign-4934","title":"Introduction page"},{"url":"https://www.webplatform.org/docs/css/properties/column-width","title":"WebPlatform Docs"},{"url":"https://github.com/hamsterbacke23/multicolumn-polyfill","title":"Polyfill"},{"url":"https://www.chromestatus.com/feature/6298909664083968","title":"Chrome platform status for CSS column-fill"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a x #1","3":"a x #1","3.5":"a x #1","3.6":"a x #1","4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"a x #1 #2","5":"a x #1 #2","6":"a x #1 #2","7":"a x #1 #2","8":"a x #1 #2","9":"a x #1 #2","10":"a x #1 #2","11":"a x #1 #2","12":"a x #1 #2","13":"a x #1 #2","14":"a x #1 #2","15":"a x #1 #2","16":"a x #1 #2","17":"a x #1 #2","18":"a x #1 #2","19":"a x #1 #2","20":"a x #1 #2","21":"a x #1 #2","22":"a x #1 #2","23":"a x #1 #2","24":"a x #1 #2","25":"a x #1 #2","26":"a x #1 #2","27":"a x #1 #2","28":"a x #1 #2","29":"a x #1 #2","30":"a x #1 #2","31":"a x #1 #2","32":"a x #1 #2","33":"a x #1 #2","34":"a x #1 #2","35":"a x #1 #2","36":"a x #1 #2","37":"a x #1 #2","38":"a x #1 #2","39":"a x #1 #2","40":"a x #1 #2","41":"a x #1 #2","42":"a x #1 #2","43":"a x #1 #2","44":"a x #1 #2","45":"a x #1 #2","46":"a x #1 #2","47":"a x #1 #2","48":"a x #1 #2","49":"a x #1 #2","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a x #1 #2","3.2":"a x #1 #2","4":"a x #1 #2","5":"a x #1 #2","5.1":"a x #1 #2","6":"a x #1 #2","6.1":"a x #1 #2","7":"a x #1","7.1":"a x #1","8":"a x #1","9":"a #1","9.1":"a #1","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"a x #1 #2","16":"a x #1 #2","17":"a x #1 #2","18":"a x #1 #2","19":"a x #1 #2","20":"a x #1 #2","21":"a x #1 #2","22":"a x #1 #2","23":"a x #1 #2","24":"a x #1 #2","25":"a x #1 #2","26":"a x #1 #2","27":"a x #1 #2","28":"a x #1 #2","29":"a x #1 #2","30":"a x #1 #2","31":"a x #1 #2","32":"a x #1 #2","33":"a x #1 #2","34":"a x #1 #2","35":"a x #1 #2","36":"a x #1 #2","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a x #1 #2","4.0-4.1":"a x #1 #2","4.2-4.3":"a x #1 #2","5.0-5.1":"a x #1 #2","6.0-6.1":"a x #1 #2","7.0-7.1":"a x #1","8":"a x #1","8.1-8.4":"a x #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"a x #1 #2","2.2":"a x #1 #2","2.3":"a x #1 #2","3":"a x #1 #2","4":"a x #1 #2","4.1":"a x #1 #2","4.2-4.3":"a x #1 #2","4.4":"a x #1 #2","4.4.3-4.4.4":"a x #1 #2","62":"y"},"bb":{"7":"a x #1 #2","10":"a x #1 #2"},"op_mob":{"10":"n","11":"n","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"a #1"},"and_chr":{"64":"y"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"a x #1 #2","5":"y","6.2":"y"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"a #1"}},"notes":"","notes_by_num":{"1":"Partial support refers to not supporting the `break-before`, `break-after`, `break-inside` properties. WebKit- and Blink-based browsers do have equivalent support for the non-standard `-webkit-column-break-*` properties to accomplish the same result (but only the `auto` and `always` values). Firefox does not support `break-*`.","2":"Partial support refers to not supporting the `column-fill` property."},"usage_perc_y":86.53,"usage_perc_a":11.3,"ucprefix":false,"parent":"","keywords":"column-count,column-width,column-gap,column-rule,column-span,column-fill,break-before,break-after,break-inside","ie_id":"multicolumnfullsupport","chrome_id":"6526151266664448,5630943616303104","firefox_id":"css-multicol","webkit_id":""},"border-radius":{"title":"CSS3 Border-radius (rounded corners)","description":"Method of making the border corners round. Covers support for the shorthand `border-radius` as well as the long-hand properties (e.g. `border-top-left-radius`)","spec":"https://www.w3.org/TR/css3-background/#the-border-radius","status":"cr","links":[{"url":"http://border-radius.com","title":"Border-radius CSS Generator"},{"url":"http://muddledramblings.com/table-of-css3-border-radius-compliance","title":"Detailed compliance table"},{"url":"http://css3pie.com/","title":"Polyfill which includes border-radius"},{"url":"https://www.webplatform.org/docs/css/properties/border-radius","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en/docs/Web/CSS/border-radius","title":"MDN Web Docs - CSS border-radius"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a x #2","3":"y x #2","3.5":"y x #2","3.6":"y x #2","4":"y #2","5":"y #2","6":"y #2","7":"y #2","8":"y #2","9":"y #2","10":"y #2","11":"y #2","12":"y #2","13":"y #2","14":"y #2","15":"y #2","16":"y #2","17":"y #2","18":"y #2","19":"y #2","20":"y #2","21":"y #2","22":"y #2","23":"y #2","24":"y #2","25":"y #2","26":"y #2","27":"y #2","28":"y #2","29":"y #2","30":"y #2","31":"y #2","32":"y #2","33":"y #2","34":"y #2","35":"y #2","36":"y #2","37":"y #2","38":"y #2","39":"y #2","40":"y #2","41":"y #2","42":"y #2","43":"y #2","44":"y #2","45":"y #2","46":"y #2","47":"y #2","48":"y #2","49":"y #2","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y x","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y x","3.2":"y x","4":"y x","5":"y","5.1":"y #1","6":"y #1","6.1":"y #1","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y x","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y x","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Safari 6.1 and earlier did not apply `border-radius` correctly to image borders: https://stackoverflow.com/q/17202128","2":"Dotted and dashed rounded border corners are rendered as solid in Firefox. [see bug](https://bugzilla.mozilla.org/show_bug.cgi?id=382721)"},"usage_perc_y":95.02,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"roundedcorners, border radius,-moz-border-radius","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"transforms2d":{"title":"CSS3 2D Transforms","description":"Method of transforming an element including rotating, scaling, etc. Includes support for `transform` as well as `transform-origin` properties.","spec":"https://www.w3.org/TR/css3-2d-transforms/","status":"wd","links":[{"url":"http://www.westciv.com/tools/transforms/","title":"Live editor"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/transform","title":"MDN Web Docs - CSS transform"},{"url":"http://www.webresourcesdepot.com/cross-browser-css-transforms-csssandpaper/","title":"Workaround script for IE"},{"url":"http://www.useragentman.com/IETransformsTranslator/","title":"Converter for IE"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/css.js#css-transform","title":"has.js test"},{"url":"https://www.webplatform.org/docs/css/transforms/transform","title":"WebPlatform Docs"},{"url":"https://developer.microsoft.com/en-us/microsoft-edge/platform/status/supportcsstransformsonsvg/","title":"IE platform status (SVG)"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y x #1","10":"y #1","11":"y #1"},"edge":{"12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1"},"firefox":{"2":"n","3":"n","3.5":"y x","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y x","3.2":"y x","4":"y x","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y x","10.6":"y x","11":"y x","11.1":"y x","11.5":"y x","11.6":"y x","12":"y x","12.1":"y","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y x","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y x","2.2":"y x","2.3":"y x","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"The scale transform can be emulated in IE < 9 using Microsoft's \"zoom\" extension, others are (not easily) possible using the MS Matrix filter","notes_by_num":{"1":"Does not support CSS transforms on SVG elements (transform attribute can be used instead)"},"usage_perc_y":95.01,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"transformation,translate,translatex,translatey,translatez,transform3d,rotation,rotate,scale,skew,css-transforms,transform-origin,transform:rotate,transform:scale,transform:skew","ie_id":"transforms","chrome_id":"6437640580628480","firefox_id":"","webkit_id":""},"use-strict":{"title":"ECMAScript 5 Strict Mode","description":"Method of placing code in a \"strict\" operating context.","spec":"https://www.ecma-international.org/ecma-262/5.1/#sec-14.1","status":"other","links":[{"url":"http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/","title":"Information page"},{"url":"https://javascriptweblog.wordpress.com/2011/05/03/javascript-strict-mode/","title":"Article with test suite"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a #1","5.1":"a #1","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in older Safari refers to strict mode still accepting a lot of JS that should be considered invalid."},"usage_perc_y":97.55,"usage_perc_a":0.11,"ucprefix":false,"parent":"es5","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"devicepixelratio":{"title":"Window.devicePixelRatio","description":"Read-only property that returns the ratio of the (vertical) size of one physical pixel on the current display device to the size of one CSS pixel.","spec":"https://drafts.csswg.org/cssom-view/#dom-window-devicepixelratio","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Window/devicePixelRatio","title":"MDN Web Docs - devicePixelRatio"}],"categories":["CSS","DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"As the page is zoomed in the number of device pixels that one CSS pixel covers increases, and therefore the value of devicePixelRatio will also increase.","notes_by_num":{},"usage_perc_y":97.51,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"device,pixel,ratio,size","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"transforms3d":{"title":"CSS3 3D Transforms","description":"Method of transforming an element in the third dimension using the `transform` property. Includes support for the `perspective` property to set the perspective in z-space and the `backface-visibility` property to toggle display of the reverse side of a 3D-transformed element.","spec":"https://www.w3.org/TR/css3-3d-transforms/","status":"wd","links":[{"url":"http://css3.bradshawenterprises.com/flip/","title":"Multi-browser demo"},{"url":"https://hacks.mozilla.org/2011/10/css-3d-transformations-in-firefox-nightly/","title":"Mozilla hacks article"},{"url":"http://thewebrocks.com/demos/3D-css-tester/","title":"3D CSS Tester"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/css.js#css-transform","title":"has.js test"},{"url":"https://www.webplatform.org/docs/css/transforms/transform","title":"WebPlatform Docs"},{"url":"http://desandro.github.io/3dtransforms/","title":"Intro to CSS 3D transforms"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y x","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y #2","9.1":"y #2","10":"y #2","10.1":"y #2","11":"y #2","11.1":"y #2","TP":"y #2"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y x","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y #2","9.3":"y #2","10.0-10.2":"y #2","10.3":"y #2","11.0-11.2":"y #2","11.3":"y #2"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in IE refers to not supporting [the transform-style: preserve-3d property](http://msdn.microsoft.com/en-us/library/ie/hh673529%28v=vs.85%29.aspx#the_ms_transform_style_property). This prevents nesting 3D transformed elements.","2":"Safari 9, 10 & 11 are reported to still require a prefix for the related `backface-visibility` property."},"usage_perc_y":91.47,"usage_perc_a":3.15,"ucprefix":false,"parent":"","keywords":"css 3d,3dtransforms,translate3d,backface visibility,perspective,transform-origin,transform-style","ie_id":"transforms,csstransformspreserve3d","chrome_id":"6437640580628480","firefox_id":"","webkit_id":""},"sharedworkers":{"title":"Shared Web Workers","description":"Method of allowing multiple scripts to communicate with a single web worker.","spec":"https://html.spec.whatwg.org/multipage/workers.html#shared-workers-introduction","status":"ls","links":[{"url":"https://www.sitepoint.com/javascript-shared-web-workers-html5/","title":"Sitepoint article"},{"url":"https://greenido.wordpress.com/2011/11/03/web-workers-part-3-out-of-3-shared-wrokers/","title":"Blog post"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"u","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":44.5,"usage_perc_a":0,"ucprefix":false,"parent":"webworkers","keywords":"shared worker","ie_id":"sharedwebworkers","chrome_id":"","firefox_id":"shared-worker","webkit_id":"feature-shared-web-workers"},"css-hyphens":{"title":"CSS Hyphenation","description":"Method of controlling when words at the end of lines should be hyphenated using the \"hyphens\" property.","spec":"https://www.w3.org/TR/css3-text/#hyphenation","status":"wd","links":[{"url":"https://developer.mozilla.org/en/CSS/hyphens","title":"MDN Web Docs - CSS hyphens"},{"url":"http://blog.fontdeck.com/post/9037028497/hyphens","title":"Blog post"},{"url":"https://www.webplatform.org/docs/css/properties/hyphens","title":"WebPlatform Docs"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=605840","title":"Chrome bug for implementing hyphenation"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x","11":"y x"},"edge":{"12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"a #1","64":"a #1","65":"a #1","66":"a #1","67":"a #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"y x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #1"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a"},"samsung":{"4":"n","5":"a #1","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"a #1"}},"notes":"Chrome < 55 and Android 4.0 Browser support \"-webkit-hyphens: none\", but not the \"auto\" property. It is [advisable to set the @lang attribute](http://blog.adrianroselli.com/2015/01/on-use-of-lang-attribute.html) on the HTML element to enable hyphenation support and improve accessibility.","notes_by_num":{"1":"Only supported on Android & Mac platforms (and only the \"auto\" value) for now. [See commit](https://crrev.com/ed7e106e0e48b3afb160a5bdbb37649e307d2b05) & related [bug](https://bugs.chromium.org/p/chromium/issues/detail?id=652964)."},"usage_perc_y":24.69,"usage_perc_a":65.05,"ucprefix":false,"parent":"","keywords":"hyphen,shy","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-transitions":{"title":"CSS3 Transitions","description":"Simple method of animating certain properties of an element, with ability to define property, duration, delay and timing function. ","spec":"https://www.w3.org/TR/css3-transitions/","status":"wd","links":[{"url":"http://www.webdesignerdepot.com/2010/01/css-transitions-101/","title":"Article on usage"},{"url":"http://www.the-art-of-web.com/css/timing-function/","title":"Examples on timing functions"},{"url":"http://www.opera.com/docs/specs/presto2.12/css/transitions/","title":"Animation of property types support in Opera"},{"url":"https://www.webplatform.org/docs/css/properties/transition","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a x #1","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a x #1","3.2":"a x #1","4":"a x #1","5":"a x #1","5.1":"y x","6":"y x","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"a x #1","10.6":"a x #1","11":"a x #1","11.1":"a x #1","11.5":"a x #1","11.6":"a x #1","12":"y x","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a x #1","4.0-4.1":"a x #1","4.2-4.3":"a x #1","5.0-5.1":"a x #1","6.0-6.1":"y x","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y x","2.2":"y x","2.3":"y x","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y x","10":"y"},"op_mob":{"10":"a x #1","11":"a x #1","11.1":"a x #1","11.5":"a x #1","12":"y x","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support listed is for `transition` properties as well as the `transitionend` event.","notes_by_num":{"1":"Does not support the `steps()`, `step-start` & `step-end` timing functions"},"usage_perc_y":94.7,"usage_perc_a":0.15,"ucprefix":false,"parent":"","keywords":"css transition,transitionend,transition-property,transition-duration,transition-timing-function,transition-delay,steps,step-start,step-end,cubic-bezier","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"font-feature":{"title":"CSS font-feature-settings","description":"Method of applying advanced typographic and language-specific font features to supported OpenType fonts.","spec":"http://w3.org/TR/css3-fonts/#font-rend-props","status":"cr","links":[{"url":"http://ie.microsoft.com/testdrive/Graphics/opentype/","title":"Demo pages (IE/Firefox only)"},{"url":"https://hacks.mozilla.org/2010/11/firefox-4-font-feature-support/","title":"Mozilla hacks article"},{"url":"http://html5accessibility.com/","title":"Detailed tables on accessability support"},{"url":"https://www.webplatform.org/docs/css/properties/font-feature-settings","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-feature-settings","title":"MDN Web Docs - font-feature-settings"},{"url":"https://www.microsoft.com/typography/otspec/featuretags.htm","title":"OpenType layout feature tag registry"},{"url":"http://help.typekit.com/customer/portal/articles/1789736-syntax-for-opentype-features-in-css#salt","title":"Syntax for OpenType features in CSS (Adobe Typekit Help)"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"a x #2","17":"a x #2","18":"a x #2","19":"a x #2","20":"a x #2","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"a","5":"a","5.1":"a","6":"a","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"n","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y x"},"samsung":{"4":"y x","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Whenever possible, font-variant shorthand property or an associated longhand property, font-variant-ligatures, font-variant-caps, font-variant-east-asian, font-variant-alternates, font-variant-numeric or font-variant-position should be used. This property is a low-level feature designed to handle special cases where no other way to enable or access an OpenType font feature exists. In particular, this CSS property shouldn't be used to enable small caps.","notes_by_num":{"1":"From Gecko 2.0 (Firefox 4.0) to Gecko 14.0 (Firefox 14.0) included, Gecko supported an older syntax, slightly different from the modern one: https://hacks.mozilla.org/2010/11/firefox-4-font-feature-support/","2":"Partial support in older Chrome versions refers to lacking support in Mac OS X."},"usage_perc_y":93.44,"usage_perc_a":0.28,"ucprefix":false,"parent":"","keywords":"font-feature,font-feature-settings,kern,kerning,font-variant-alternates,ligatures,font-variant-ligatures","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-animation":{"title":"CSS Animation","description":"Complex method of animating certain properties of an element","spec":"https://www.w3.org/TR/css3-animations/","status":"wd","links":[{"url":"http://robertnyman.com/2010/05/06/css3-animations/","title":"Blog post on usage"},{"url":"https://www.webplatform.org/docs/css/properties/animations","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"a x #2","5":"a x #2","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"y x","12.1":"y","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a x #1","4.0-4.1":"a x #1","4.2-4.3":"a x #1","5.0-5.1":"a x #1","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a x #1","2.2":"a x #1","2.3":"a x #1","3":"a x #1","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in Android browser refers to buggy behavior in different scenarios.","2":"Does not support the `steps()`, `step-start` & `step-end` timing functions"},"usage_perc_y":94.7,"usage_perc_a":0.08,"ucprefix":false,"parent":"","keywords":"animations,css-animations,animation-name,animation-duration,animation-delay,animation-timing-function,@keyframes,animationstart,animationend,animationiteration,css3 animation,steps,step-start,step-end,cubic-bezier","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-gradients":{"title":"CSS Gradients","description":"Method of defining a linear or radial color gradient as a CSS image.","spec":"https://www.w3.org/TR/css3-images/","status":"cr","links":[{"url":"http://www.colorzilla.com/gradient-editor/","title":"Cross-browser editor"},{"url":"http://css3pie.com/","title":"Tool to emulate support in IE"},{"url":"https://www.webplatform.org/docs/css/functions/linear-gradient","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x","5":"a x","6":"a x","7":"a x","8":"a x","9":"a x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"a x","5":"a x","5.1":"y x","6":"y x","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"a x #1","11.5":"a x #1","11.6":"y x","12":"y x","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a x","4.0-4.1":"a x","4.2-4.3":"a x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a x","2.2":"a x","2.3":"a x","3":"a x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a x","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"a x #1","11.5":"a x #1","12":"y x","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Syntax used by browsers with prefixed support may be incompatible with that for proper support.\r\n\r\nSupport can be somewhat emulated in older IE versions using the non-standard \"gradient\" filter. \r\n\r\nFirefox 10+, Opera 11.6+, Chrome 26+ and IE10+ also support the new \"to (side)\" syntax.","notes_by_num":{"1":"Partial support in Opera 11.10 and 11.50 also refers to only having support for linear gradients."},"usage_perc_y":94.72,"usage_perc_a":0.12,"ucprefix":false,"parent":"","keywords":"linear,linear-gradient,gradiant","ie_id":"gradients","chrome_id":"5785905063264256","firefox_id":"","webkit_id":""},"css-canvas":{"title":"CSS Canvas Drawings","description":"Method of using HTML5 Canvas as a background image. Not currently part of any specification.","spec":"http://webkit.org/blog/176/css-canvas-drawing/","status":"unoff","links":[{"url":"http://webkit.org/blog/176/css-canvas-drawing/","title":"WebKit blog post"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"u","53":"u","54":"u","55":"u","56":"u","57":"u","58":"u","59":"u","60":"u","61":"u"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"y x","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"y x","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"y x","2.2":"y x","2.3":"y x","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"n"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y x","5":"n","6.2":"n"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"n"}},"notes":"A similar effect can be achieved in Firefox 4+ using the -moz-element() background property","notes_by_num":{},"usage_perc_y":16.06,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5722125839106048","firefox_id":"","webkit_id":""},"css-reflections":{"title":"CSS Reflections","description":"Method of displaying a reflection of an element","spec":"http://webkit.org/blog/182/css-reflections/","status":"unoff","links":[{"url":"http://webkit.org/blog/182/css-reflections/","title":"WebKit blog post"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/7930470-support-css-reflections","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x","62":"y x","63":"y x","64":"y x","65":"y x","66":"y x","67":"y x"},"safari":{"3.1":"n","3.2":"n","4":"y x","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x"},"ios_saf":{"3.2":"y x","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"y x","2.2":"y x","2.3":"y x","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y x"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y x"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y x"}},"notes":"Similar effect can be achieved in Firefox 4+ using the -moz-element() background property","notes_by_num":{},"usage_perc_y":75.64,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"box-reflect","ie_id":"","chrome_id":"5627300510957568","firefox_id":"","webkit_id":""},"css-masks":{"title":"CSS Masks","description":"Method of displaying part of an element, using a selected image as a mask","spec":"https://www.w3.org/TR/css-masking-1/","status":"cr","links":[{"url":"https://www.webplatform.org/docs/css/properties/mask","title":"WebPlatform Docs"},{"url":"https://www.html5rocks.com/en/tutorials/masking/adobe/","title":"HTML5 Rocks article"},{"url":"http://thenittygritty.co/css-masking","title":"Detailed blog post"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1224422","title":"Firefox implementation bug"},{"url":"http://lab.iamvdo.me/css-svg-masks","title":"Visual test cases"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"a #2","3.6":"a #2","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"a #2","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"a x #1","54":"a x #1","55":"a x #1","56":"a x #1","57":"a x #1","58":"a x #1","59":"a x #1","60":"a x #1","61":"a x #1","62":"a x #1","63":"a x #1","64":"a x #1","65":"a x #1","66":"a x #1","67":"a x #1"},"safari":{"3.1":"n","3.2":"n","4":"a x #1","5":"a x #1","5.1":"a x #1","6":"a x #1","6.1":"a x #1","7":"a x #1","7.1":"a x #1","8":"a x #1","9":"a x #1","9.1":"a x #1","10":"a x #1","10.1":"a x #1","11":"a x #1","11.1":"a x #1","TP":"a x #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1"},"ios_saf":{"3.2":"a x #1","4.0-4.1":"a x #1","4.2-4.3":"a x #1","5.0-5.1":"a x #1","6.0-6.1":"a x #1","7.0-7.1":"a x #1","8":"a x #1","8.1-8.4":"a x #1","9.0-9.2":"a x #1","9.3":"a x #1","10.0-10.2":"a x #1","10.3":"a x #1","11.0-11.2":"a x #1","11.3":"a x #1"},"op_mini":{"all":"n"},"android":{"2.1":"a x #1 #3","2.2":"a x #1 #3","2.3":"a x #1 #3","3":"a x #1 #3","4":"a x #1 #3","4.1":"a x #1 #3","4.2-4.3":"a x #1 #3","4.4":"a x #1","4.4.3-4.4.4":"a x #1","62":"a x #1"},"bb":{"7":"a x #1","10":"a x #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x #1"},"and_chr":{"64":"a x #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a x #1"},"samsung":{"4":"a x #1","5":"a x #1","6.2":"a x #1"},"and_qq":{"1.2":"a x #1"},"baidu":{"7.12":"a x #1"}},"notes":"","notes_by_num":{"1":"Partial support in WebKit/Blink browsers refers to supporting the mask-image and mask-box-image properties, but lacking support for other parts of the spec.","2":"Partial support in Firefox refers to only support for inline SVG mask elements i.e. mask: url(#foo).","3":"Partial support refers to supporting the mask-box-image shorthand but not the longhand properties"},"usage_perc_y":4.43,"usage_perc_a":85.35,"ucprefix":false,"parent":"","keywords":"clip,clip-path,clip-rule,mask,mask-border,mask-clip,mask-image,mask-mode,mask-type,css masking","ie_id":"masks","chrome_id":"5381559662149632","firefox_id":"","webkit_id":""},"console-basic":{"title":"Basic console logging functions","description":"Method of outputting data to the browser's console, intended for development purposes.","spec":"https://console.spec.whatwg.org/","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Console","title":"MDN Web Docs - Console"},{"url":"https://developer.chrome.com/devtools/docs/console-api","title":"Chrome console reference"},{"url":"https://developer.apple.com/library/mac/documentation/AppleApplications/Conceptual/Safari_Developer_Guide/Console/Console.html","title":"Safari console reference"},{"url":"https://msdn.microsoft.com/en-us/library/hh772169","title":"Edge/Internet Explorer console reference"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #1","9":"a #1","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y #3","7.0-7.1":"y #3","8":"y #3","8.1-8.4":"y #3","9.0-9.2":"y #3","9.3":"y #3","10.0-10.2":"y #3","10.3":"y #3","11.0-11.2":"y #3","11.3":"y #3"},"op_mini":{"all":"y #6"},"android":{"2.1":"y #4","2.2":"y #4","2.3":"y #4","3":"y #4","4":"y #4","4.1":"y #4","4.2-4.3":"y #4","4.4":"y #4","4.4.3-4.4.4":"y #4","62":"y #4"},"bb":{"7":"n #2","10":"n #2"},"op_mob":{"10":"n","11":"n #2","11.1":"n #2","11.5":"n #2","12":"n #2","12.1":"n #2","37":"n #2"},"and_chr":{"64":"y #4"},"and_ff":{"57":"y #5"},"ie_mob":{"10":"n #2","11":"n #2"},"and_uc":{"11.8":"n #2"},"samsung":{"4":"y #4","5":"y #4","6.2":"y #4"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y #4"}},"notes":"The basic functions that this information refers to include `console.log`, `console.info`, `console.warn`, `console.error`.","notes_by_num":{"1":"Only supports console functions when developer tools are open, otherwise the `console` object is undefined and any calls will throw errors.","2":"Allows `console` functions to be used without throwing errors, but does not appear to output the data anywhere.","3":"Log output on iOS 6+ Safari can only be seen by connecting to a Mac and using the [Safari debugger](https://developer.apple.com/safari/tools/).","4":"Log output on older Android browsers can be retrieved via Android's `logcat` command or using Chrome Developer Tools in Android 4.4+/Chrome for Android [see details](http://developer.android.com/guide/webapps/debugging.html)","5":"Log output on Firefox for Android can be [accessed using WebIDE](https://developer.mozilla.org/en-US/docs/Tools/Remote_Debugging/Debugging_Firefox_for_Android_with_WebIDE)","6":"See [this article](https://dev.opera.com/articles/opera-mini-and-javascript/) for details on how to see console logging in Opera Mini"},"usage_perc_y":88.96,"usage_perc_a":0.33,"ucprefix":false,"parent":"","keywords":"console.log,console.info,console.warn,console.error,window.console","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"svg":{"title":"SVG (basic support)","description":"Method of displaying basic Vector Graphics features using the embed or object elements. Refers to the SVG 1.1 spec.","spec":"https://www.w3.org/TR/SVG/","status":"rec","links":[{"url":"https://en.wikipedia.org/wiki/Scalable_Vector_Graphics","title":"Wikipedia"},{"url":"http://www.alistapart.com/articles/using-svg-for-flexible-scalable-and-fun-backgrounds-part-i","title":"A List Apart article"},{"url":"http://svg-wow.org/","title":"SVG showcase site"},{"url":"http://code.google.com/p/svgweb/","title":"SVG Web: Flash-based polyfill"},{"url":"https://github.com/SVG-Edit/svgedit","title":"Web-based SVG editor"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/graphics.js#svg","title":"has.js test"}],"categories":["SVG"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y #2","10":"y #2","11":"y #2"},"edge":{"12":"y #2","13":"y #2","14":"y #2","15":"y #2","16":"y #2","17":"y #2"},"firefox":{"2":"a","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y #2","11":"y #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in Android 3 & 4 refers to not supporting masking.","2":"IE9-11 desktop & mobile don't properly scale SVG files.  [Adding height, width, viewBox, and CSS rules](https://codepen.io/tomByrer/pen/qEBbzw?editors=110) seem to be the best workaround."},"usage_perc_y":97.69,"usage_perc_a":0.3,"ucprefix":false,"parent":"","keywords":"rect,circle,ellipse,line,polyline,polygon,defs,symbol,use,tspan,tref,textpath,stroke-dasharray,stroke-dashoffset","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"svg-css":{"title":"SVG in CSS backgrounds","description":"Method of using SVG images as CSS backgrounds","spec":"https://www.w3.org/TR/css3-background/#background-image","status":"cr","links":[{"url":"https://www.sitepoint.com/a-farewell-to-css3-gradients/","title":"Tutorial for advanced effects"}],"categories":["CSS3","SVG"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"a #3","13":"a #3","14":"a #3","15":"a #3","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"a #1","4":"a #1","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #2"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","12":"a #2","12.1":"a #2","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in iOS Safari and older Safari versions refers to failing to support tiling or the background-position property.","2":"Partial support in older Firefox and Opera Mini/Mobile refers to SVG images being blurry when scaled.","3":"Partial support in Edge 15 and older refers to a lack of support for SVG data URIs. [see bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/6274479/)"},"usage_perc_y":94.19,"usage_perc_a":3.74,"ucprefix":false,"parent":"","keywords":"svg-in-css,svgincss,css-svg","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"svg-smil":{"title":"SVG SMIL animation","description":"Method of using animation elements to animate SVG images","spec":"https://www.w3.org/TR/SVG/animate.html","status":"rec","links":[{"url":"http://svg-wow.org/blog/category/animation/","title":"Examples on SVG WOW"},{"url":"https://developer.mozilla.org/en/SVG/SVG_animation_with_SMIL","title":"MDN Web Docs - animation with SMIL"},{"url":"http://leunen.me/fakesmile/","title":"JS library to support SMIL in SVG"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/graphics.js#svg-smil","title":"has.js test"},{"url":"https://github.com/madsgraphics/SVGEventListener","title":"Polyfill for SMIL animate events on SVG"}],"categories":["SVG"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p"},"edge":{"12":"p","13":"p","14":"p","15":"p","16":"p","17":"p"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y #2","46":"y #2","47":"y #2","48":"y #2","49":"y #2","50":"y #2","51":"y #2","52":"y #2","53":"y #2","54":"y #2","55":"y #2","56":"y #2","57":"y #2","58":"y #2","59":"y #2","60":"y #2","61":"y #2","62":"y #2","63":"y #2","64":"y #2","65":"y #2","66":"y #2","67":"y #2"},"safari":{"3.1":"p","3.2":"p","4":"a #1","5":"a #1","5.1":"a #1","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y #2","33":"y #2","34":"y #2","35":"y #2","36":"y #2","37":"y #2","38":"y #2","39":"y #2","40":"y #2","41":"y #2","42":"y #2","43":"y #2","44":"y #2","45":"y #2","46":"y #2","47":"y #2","48":"y #2","49":"y #2","50":"y #2","51":"y #2","52":"y #2"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"p"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y #2"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in older Safari versions refers to not working in HTML files or CSS background images.","2":"As of Chrome 45 & Opera 32 SMIL is deprecated and usage will result in a warning in the console. Support is expected to be dropped in some future version."},"usage_perc_y":89.7,"usage_perc_a":0.17,"ucprefix":false,"parent":"","keywords":"svg animation","ie_id":"svgsmilanimation","chrome_id":"","firefox_id":"","webkit_id":""},"svg-fonts":{"title":"SVG fonts","description":"Method of using fonts defined as SVG shapes. Removed from [SVG 2.0](https://www.w3.org/TR/SVG2/changes.html#fonts) and considered as a deprecated feature with support being removed from browsers.","spec":"https://www.w3.org/TR/SVG/fonts.html","status":"unoff","links":[{"url":"http://jeremie.patonnier.net/post/2011/02/07/Why-are-SVG-Fonts-so-different","title":"Blog post"},{"url":"http://opentype.info/blog/2010/04/13/the-ipad-and-svg-fonts-in-mobile-safari/","title":"Blog post on usage for iPad"}],"categories":["SVG"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"n #1","39":"n #1","40":"n #1","41":"n #1","42":"n #1","43":"n #1","44":"n #1","45":"n #1","46":"n #1","47":"n #1","48":"n #1","49":"n #1","50":"n #1","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"n #1","26":"n #1","27":"n #1","28":"n #1","29":"n #1","30":"n #1","31":"n #1","32":"n #1","33":"n #1","34":"n #1","35":"n #1","36":"n #1","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n #2"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"n"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"n #1"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"n #1","6.2":"n #1"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n #1"}},"notes":"","notes_by_num":{"1":"Chrome 38 and newer support SVG fonts only on Windows Vista and XP.","2":"Supported in Opera Mini in SVG images only, not in HTML."},"usage_perc_y":15.85,"usage_perc_a":0,"ucprefix":false,"parent":"fontface","keywords":"","ie_id":"","chrome_id":"5930075908210688","firefox_id":"","webkit_id":""},"svg-filters":{"title":"SVG filters","description":"Method of using Photoshop-like effects on SVG objects including blurring and color manipulation.","spec":"https://www.w3.org/TR/SVG/filters.html","status":"rec","links":[{"url":"http://electricbeach.org/?p=950","title":"Experiments with filter effects"},{"url":"http://svg-wow.org/blog/category/filters/","title":"SVG filter demos"},{"url":"https://www.webplatform.org/docs/svg/elements/filter","title":"WebPlatform Docs"},{"url":"http://jorgeatgu.github.io/svg-filters/","title":"SVG Filter effects"}],"categories":["SVG"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"a","6":"a","7":"a","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.36,"usage_perc_a":0.02,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"svg-html":{"title":"SVG effects for HTML","description":"Method of using SVG transforms, filters, etc on HTML elements using either CSS or the foreignObject element","spec":"https://www.w3.org/TR/SVG11/extend.html#ForeignObjectElement","status":"rec","links":[{"url":"https://developer.mozilla.org/en/SVG/Tutorial/Other_content_in_SVG","title":"MDN Web Docs - Other content in SVG"},{"url":"https://developer.mozilla.org/En/Applying_SVG_effects_to_HTML_content","title":"MDN Web Docs - Applying SVG effects"},{"url":"https://www.w3.org/TR/filter-effects/","title":"Filter Effects draft"}],"categories":["SVG"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1 #2","10":"a #1 #2","11":"a #1 #2"},"edge":{"12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"n","3":"a","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a","62":"a","63":"a","64":"a","65":"a","66":"a","67":"a"},"safari":{"3.1":"n","3.2":"n","4":"a","5":"a","5.1":"a","6":"a","6.1":"a","7":"a","7.1":"a","8":"a","9":"a","9.1":"a","10":"a","10.1":"a","11":"a","11.1":"a","TP":"a"},"opera":{"9":"a","9.5-9.6":"a","10.0-10.1":"a","10.5":"a","10.6":"a","11":"a","11.1":"a","11.5":"a","11.6":"a","12":"a","12.1":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"a","10.3":"a","11.0-11.2":"a","11.3":"a"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a","4.4.3-4.4.4":"a","62":"a"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"a","11":"a","11.1":"a","11.5":"a","12":"a","12.1":"a","37":"a"},"and_chr":{"64":"a"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"a","5":"a","6.2":"a"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"a"}},"notes":"Partial support refers to lack of filter support or buggy result from effects. A [CSS Filter Effects](https://www.w3.org/TR/filter-effects/) specification is in the works that would replace this method.","notes_by_num":{"1":"IE11 and below do not support `<foreignObject>`.","2":"IE and Edge do not support applying SVG filter effects to HTML elements using CSS. [Bug Report](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/6618695/)"},"usage_perc_y":5.69,"usage_perc_a":80.28,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"svg-html5":{"title":"Inline SVG in HTML5","description":"Method of using SVG tags directly in HTML documents. Requires HTML5 parser.","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#svg-0","status":"ls","links":[{"url":"https://hacks.mozilla.org/2010/05/firefox-4-the-html5-parser-inline-svg-speed-and-more/","title":"Mozilla Hacks blog post"},{"url":"http://samples.msdn.microsoft.com/ietestcenter/html5/svghtml_harness.htm?url=SVG_HTML_Elements_001","title":"Test suite"}],"categories":["HTML5","SVG"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y #1","10":"y #1","11":"y #1"},"edge":{"12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"y #1","6":"y #1","6.1":"y #1","7":"y #1","7.1":"y #1","8":"y #1","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"y #1","6.0-6.1":"y #1","7.0-7.1":"y #1","8":"y #1","8.1-8.4":"y #1","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y #1","4":"y #1","4.1":"y #1","4.2-4.3":"y #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y #1","10":"y"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y #1","11":"y #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not support CSS transforms on SVG elements (transform attribute can be used instead)"},"usage_perc_y":97.8,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"canvas":{"title":"Canvas (basic support)","description":"Method of generating fast, dynamic graphics using JavaScript.","spec":"https://html.spec.whatwg.org/multipage/scripting.html#the-canvas-element","status":"ls","links":[{"url":"https://developer.mozilla.org/en/Canvas_tutorial","title":"Tutorial by Mozilla"},{"url":"http://glimr.rubyforge.org/cake/canvas.html","title":"Animation kit"},{"url":"http://diveintohtml5.info/canvas.html","title":"Another tutorial"},{"url":"https://github.com/arv/ExplorerCanvas","title":"Implementation for Internet Explorer"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/graphics.js#canvas","title":"has.js test"},{"url":"https://skilled.co/html-canvas/","title":"Canvas Tutorial & Cheat Sheet"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API","title":"MDN Web Docs - Canvas API"}],"categories":["Canvas","HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #1","3":"a #1","3.5":"a #1","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #1","3.2":"a #1","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #2"},"android":{"2.1":"a #1","2.2":"a #1","2.3":"a #1","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"For screen readers, IE, Chrome & Firefox support the [accessible canvas element sub-DOM](http://www.paciellogroup.com/blog/2012/06/html5-canvas-accessibility-in-firefox-13/).\r\nFirefox & Chrome also support the drawfocus ring.","notes_by_num":{"1":"Does not support `toDataURL()`","2":"Opera Mini supports the canvas element, but is unable to play animations or run other more complex applications."},"usage_perc_y":95,"usage_perc_a":2.99,"ucprefix":false,"parent":"","keywords":"toDataURL()","ie_id":"canvas","chrome_id":"5100084685438976","firefox_id":"","webkit_id":""},"canvas-text":{"title":"Text API for Canvas","description":"Method of displaying text on Canvas elements","spec":"https://html.spec.whatwg.org/multipage/scripting.html#drawing-text-to-the-bitmap","status":"ls","links":[{"url":"https://developer.mozilla.org/en/Drawing_text_using_a_canvas#Additional_examples","title":"Examples by Mozilla"},{"url":"http://code.google.com/p/canvas-text/","title":"Support library"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/graphics.js#canvas-text","title":"has.js test"},{"url":"https://www.webplatform.org/docs/apis/canvas/CanvasRenderingContext2D/fillText","title":"WebPlatform Docs"}],"categories":["Canvas","HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"p","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":95,"usage_perc_a":0,"ucprefix":false,"parent":"canvas","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"namevalue-storage":{"title":"Web Storage - name/value pairs","description":"Method of storing data locally like cookies, but for larger amounts of data (sessionStorage and localStorage, used to fall under HTML5).","spec":"https://html.spec.whatwg.org/multipage/webstorage.html#storage","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Web_Storage_API","title":"MDN Web Docs - Web Storage"},{"url":"http://code.google.com/p/sessionstorage/","title":"Support library"},{"url":"http://html5demos.com/storage","title":"Simple demo"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-localstorage;native-sessionstorage","title":"has.js test"},{"url":"https://www.webplatform.org/docs/apis/web-storage/Storage/localStorage","title":"WebPlatform Docs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a","3":"a","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":95.21,"usage_perc_a":0.01,"ucprefix":false,"parent":"","keywords":"webstorage,local storage","ie_id":"webstorage","chrome_id":"5345825534246912","firefox_id":"","webkit_id":""},"sql-storage":{"title":"Web SQL Database","description":"Method of storing data client-side, allows SQLite database queries for access and manipulation","spec":"https://www.w3.org/TR/webdatabase/","status":"unoff","links":[{"url":"http://html5doctor.com/introducing-web-sql-databases/","title":"HTML5 Doctor article"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-sql-db","title":"has.js test"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"The Web SQL Database specification is no longer being maintained and support may be dropped in future versions.","notes_by_num":{},"usage_perc_y":84.28,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"db-storage,websql","ie_id":"websqldatabase","chrome_id":"6330987952734208","firefox_id":"","webkit_id":""},"indexeddb":{"title":"IndexedDB","description":"Method of storing data client-side, allows indexed database queries.","spec":"https://www.w3.org/TR/IndexedDB/","status":"rec","links":[{"url":"https://hacks.mozilla.org/2010/06/comparing-indexeddb-and-webdatabase/","title":"Mozilla Hacks article"},{"url":"https://github.com/axemclion/IndexedDBShim","title":"Polyfill for browsers supporting WebSQL"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-indexeddb","title":"has.js test"},{"url":"https://www.webplatform.org/docs/apis/indexedDB","title":"WebPlatform Docs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a x","5":"a x","6":"a x","7":"a x","8":"a x","9":"a x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"n","11":"a x","12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"a x","21":"a x","22":"a x","23":"y x","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"p","6":"p","6.1":"p","7":"p","7.1":"a #2","8":"a #2","9":"a #2","9.1":"a #2","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"p","11.6":"p","12":"p","12.1":"p","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"p","7.0-7.1":"p","8":"a #2","8.1-8.4":"a #2","9.0-9.2":"a #2","9.3":"a #2","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"p","10":"y"},"op_mob":{"10":"n","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in IE 10 & 11 refers to a number of subfeatures [not being supported](https://codepen.io/cemerick/pen/Itymi). Edge does not support IndexedDB inside blob web workers. [See issue](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/5942817/)","2":"Partial support in Safari & iOS 8 & 9 refers to [seriously buggy behavior](http://www.raymondcamden.com/2014/09/25/IndexedDB-on-iOS-8-Broken-Bad/) as well as complete lack of support in WebViews."},"usage_perc_y":88.02,"usage_perc_a":6.09,"ucprefix":false,"parent":"","keywords":"indexdb","ie_id":"indexeddb","chrome_id":"6507459568992256","firefox_id":"indexeddb","webkit_id":"specification-indexed-database"},"online-status":{"title":"Online/offline status","description":"Events to indicate when the user's connected (`online` and `offline` events) and the `navigator.onLine` property to see current status.","spec":"https://html.spec.whatwg.org/multipage/browsers.html#browser-state","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/NavigatorOnLine.onLine#Specification","title":"MDN Web Docs - NavigatorOnLine.onLine"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #2","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"a #3","5":"a #3","6":"a #3","7":"a #3","8":"a #3","9":"a #3","10":"a #3","11":"a #3","12":"a #3","13":"a #3","14":"a #3","15":"a #3","16":"a #3","17":"a #3","18":"a #3","19":"a #3","20":"a #3","21":"a #3","22":"a #3","23":"a #3","24":"a #3","25":"a #3","26":"a #3","27":"a #3","28":"a #3","29":"a #3","30":"a #3","31":"a #3","32":"a #3","33":"a #3","34":"a #3","35":"a #3","36":"a #3","37":"a #3","38":"a #3","39":"a #3","40":"a #3","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"a","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"\"online\" does not always mean connection to the internet, it can also just mean connection to some network.\r\n\r\nEarly versions of Chrome and Safari always reported \"true\" for `navigator.onLine`","notes_by_num":{"0":"Safari 7.0 supports only the event listener on `window`, and not on `document.body`","1":"Seems to support `navigator.onLine` but not `online`/`offline` events.","2":"IE8 only supports the `online`/`offline` events on `document.body`, rather than `window`.","3":"Desktop Firefox responds to the status of its \"Work Offline\" mode. If not in that mode, `navigator.onLine` is always `true`, regardless of the actual network connectivity status. [See bug](https://bugzilla.mozilla.org/show_bug.cgi?id=654579) for details."},"usage_perc_y":94.53,"usage_perc_a":0.56,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"eventsource":{"title":"Server-sent events","description":"Method of continuously sending data from a server to the browser, rather than repeatedly requesting it (EventSource interface, used to fall under HTML5)","spec":"https://html.spec.whatwg.org/multipage/comms.html#server-sent-events","status":"ls","links":[{"url":"https://www.html5rocks.com/tutorials/eventsource/basics/","title":"HTML5 Rocks tutorial"},{"url":"http://samshull.blogspot.com/2010/10/ajax-push-in-ios-safari-and-chrome-with.html","title":"Blog post with demo"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-eventsource","title":"has.js test"},{"url":"https://github.com/Yaffle/EventSource","title":"Polyfill"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a","9.5-9.6":"a","10.0-10.1":"a","10.5":"a","10.6":"a","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a","11":"a","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":89.52,"usage_perc_a":0.03,"ucprefix":false,"parent":"","keywords":"serversent,s-sent-events,server sent events,server side events","ie_id":"serversenteventseventsource","chrome_id":"5311740673785856","firefox_id":"","webkit_id":""},"x-doc-messaging":{"title":"Cross-document messaging","description":"Method of sending information from a page on one domain to a page on a different one (using postMessage)","spec":"https://html.spec.whatwg.org/multipage/comms.html#crossDocumentMessages","status":"ls","links":[{"url":"https://developer.mozilla.org/en/DOM/window.postMessage","title":"MDN Web Docs - window.postMessage"},{"url":"http://html5demos.com/postmessage2","title":"Simple demo"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-crosswindowmessaging","title":"has.js test"},{"url":"https://www.webplatform.org/docs/apis/web-messaging/MessagePort/postMessage","title":"WebPlatform Docs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #1","9":"a #1","10":"a #2","11":"a #2"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a","11":"a"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to only working in frames/iframes (not other tabs/windows). Also, objects cannot be sent using postMessage.","2":"Partial support refers to [limitations in certain conditions](https://stackoverflow.com/questions/16226924/is-cross-origin-postmessage-broken-in-ie10)."},"usage_perc_y":94.7,"usage_perc_a":3.48,"ucprefix":false,"parent":"","keywords":"","ie_id":"postmessage","chrome_id":"4786174115708928","firefox_id":"","webkit_id":""},"sni":{"title":"Server Name Indication","description":"An extension to the TLS computer networking protocol by which a client indicates which hostname it is attempting to connect to at the start of the handshaking process.","spec":"https://tools.ietf.org/html/rfc6066","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Server_Name_Indication","title":"Wikipedia"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"a #1","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Only supported on Windows Vista or above (not Windows XP)"},"usage_perc_y":97.97,"usage_perc_a":0.23,"ucprefix":false,"parent":"","keywords":"sni","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"datauri":{"title":"Data URIs","description":"Method of embedding images and other files in webpages as a string of text, generally using base64 encoding.","spec":"https://tools.ietf.org/html/rfc2397","status":"other","links":[{"url":"https://css-tricks.com/data-uris/","title":"Information page"},{"url":"https://en.wikipedia.org/wiki/data_URI_scheme","title":"Wikipedia"},{"url":"http://www.websiteoptimization.com/speed/tweak/inline-images/","title":"Data URL converter"},{"url":"http://klevjers.com/papers/phishing.pdf","title":"Information on security issues"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #1","9":"a #2","10":"a #2","11":"a #2"},"edge":{"12":"a #2","13":"a #2","14":"a #2 #3","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #2","11":"a #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Support is limited to images and linked resources like CSS files, not HTML or JS files. Max URI length is 32KB.","2":"Support is limited to images and linked resources like CSS or JS, not HTML files. Maximum size limit is 4GB.","3":"SVGs with XML declarations are not displayed when used in data-urls"},"usage_perc_y":92.89,"usage_perc_a":5.31,"ucprefix":false,"parent":"","keywords":"data url,datauris,data uri,dataurl,dataurls,base64","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"wav":{"title":"Wav audio format","description":"Waveform Audio File Format, aka WAV or WAVE, a typically uncompressed audio format. ","spec":"http://www-mmsp.ece.mcgill.ca/documents/AudioFormats/WAVE/WAVE.html","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/WAV","title":"Wikipedia article"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"u","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support refers to this format's use in the `audio` element, not other conditions.","notes_by_num":{},"usage_perc_y":91.71,"usage_perc_a":0,"ucprefix":false,"parent":"audio","keywords":"","ie_id":"wavaudiosupport","chrome_id":"","firefox_id":"","webkit_id":""},"mathml":{"title":"MathML","description":"Special tags that allow mathematical formulas and notations to be written on web pages.","spec":"https://www.w3.org/TR/MathML/","status":"rec","links":[{"url":"https://en.wikipedia.org/wiki/MathML","title":"Wikipedia"},{"url":"http://www.mozilla.org/projects/mathml/demo/","title":"MathML demos"},{"url":"https://www.mathjax.org","title":"Cross-browser support script"},{"url":"https://developer.mozilla.org/en/MathML/Element","title":"MDN Web Docs - MathML Element"},{"url":"https://developer.mozilla.org/en-US/docs/Mozilla/MathML_Project/MathML_Torture_Test","title":"MathML torture test"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"y #1","3":"y #1","3.5":"y #1","3.6":"y #1","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"y","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p","53":"p","54":"p","55":"p","56":"p","57":"p","58":"p","59":"p","60":"p","61":"p","62":"p","63":"p","64":"p","65":"p","66":"p","67":"p"},"safari":{"3.1":"a #2","3.2":"a #2","4":"a #2","5":"a #2","5.1":"a #2","6":"a #2","6.1":"a #2","7":"a #2","7.1":"a #2","8":"a #2","9":"a #2","9.1":"a #2","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"a","10.0-10.1":"a","10.5":"a","10.6":"a","11":"a","11.1":"a","11.5":"a","11.6":"a","12":"a","12.1":"a","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"p"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"p","62":"p"},"bb":{"7":"p","10":"y"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"p"},"and_chr":{"64":"p"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a"},"samsung":{"4":"p","5":"p","6.2":"p"},"and_qq":{"1.2":"p"},"baidu":{"7.12":"p"}},"notes":"Opera's support is limited to a CSS profile of MathML. Support was added in Chrome 24, but removed afterwards due to instability.","notes_by_num":{"1":"Before version 4, Firefox only supports the XHTML notation","2":"Before version 10, Safari had issues rendering significant portions of the MathML torture test"},"usage_perc_y":17.9,"usage_perc_a":9.12,"ucprefix":false,"parent":"","keywords":"","ie_id":"mathml","chrome_id":"5240822173794304","firefox_id":"","webkit_id":""},"css-featurequeries":{"title":"CSS Feature Queries","description":"CSS Feature Queries allow authors to condition rules based on whether particular property declarations are supported in CSS using the @supports at rule.","spec":"https://www.w3.org/TR/css3-conditional/#at-supports","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/@supports","title":"MDN Web Docs - CSS @supports"},{"url":"http://mcc.id.au/blog/2012/08/supports","title":"@supports in Firefox"},{"url":"http://dabblet.com/gist/3895764","title":"Test case"},{"url":"https://www.webplatform.org/docs/css/atrules/@supports","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"See also the [CSS.supports() DOM API](#feat=css-supports-api)","notes_by_num":{},"usage_perc_y":93.52,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"supports,conditional","ie_id":"conditionalrules","chrome_id":"4993981813358592","firefox_id":"","webkit_id":""},"xhtml":{"title":"XHTML served as application/xhtml+xml","description":"A strict form of HTML, and allows embedding of other XML languages","spec":"https://html.spec.whatwg.org/multipage/xhtml.html#the-xhtml-syntax","status":"ls","links":[{"url":"https://en.wikipedia.org/wiki/XHTML","title":"Wikipedia"},{"url":"http://www.xmlplease.com/xhtml/xhtml5polyglot/","title":"Information on XHTML5"},{"url":"https://www.webplatform.org/docs/concepts/internet_and_web/the_web_standards_model#What_is_XHTML.3F","title":"WebPlatform Docs"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"The XHTML syntax is very close to HTML, and thus is almost always ([incorrectly](https://developer.mozilla.org/en-US/docs/XHTML#MIME_type_versus_DOCTYPE)) served as text/html on the web.","notes_by_num":{},"usage_perc_y":97.99,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"xhtml+xml","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"xhtmlsmil":{"title":"XHTML+SMIL animation","description":"Method of using SMIL animation in web pages","spec":"https://www.w3.org/TR/XHTMLplusSMIL/","status":"unoff","links":[{"url":"https://en.wikipedia.org/wiki/XHTML%2BSMIL","title":"Wikipedia"},{"url":"http://leunen.me/fakesmile/","title":"JS library to support XHTML+SMIL"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"a","7":"a","8":"a","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p","53":"p","54":"p","55":"p","56":"p","57":"p","58":"p","59":"p","60":"p","61":"p"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p","53":"p","54":"p","55":"p","56":"p","57":"p","58":"p","59":"p","60":"p","61":"p","62":"p","63":"p","64":"p","65":"p","66":"p","67":"p"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"p","6":"p","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"p","11":"p","11.1":"p","TP":"p"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"p","11.6":"p","12":"p","12.1":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"p","7.0-7.1":"p","8":"p","8.1-8.4":"p","9.0-9.2":"p","9.3":"p","10.0-10.2":"p","10.3":"p","11.0-11.2":"p","11.3":"p"},"op_mini":{"all":"p"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"p","62":"p"},"bb":{"7":"p","10":"p"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"p"},"and_chr":{"64":"p"},"and_ff":{"57":"p"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"p"},"samsung":{"4":"p","5":"p","6.2":"p"},"and_qq":{"1.2":"p"},"baidu":{"7.12":"p"}},"notes":"Internet Explorer supports the W3C proposal HTML+TIME, which is largely the same as XHTML+SMIL","notes_by_num":{},"usage_perc_y":0,"usage_perc_a":0.24,"ucprefix":false,"parent":"xhtml","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"wai-aria":{"title":"WAI-ARIA Accessibility features","description":"Method of providing ways for people with disabilities to use dynamic web content and web applications.","spec":"https://www.w3.org/TR/wai-aria/","status":"rec","links":[{"url":"https://www.w3.org/WAI/intro/aria","title":"Information page"},{"url":"http://www.paciellogroup.com/blog/2011/10/browser-assistive-technology-tests-redux/","title":"Links to various test results"},{"url":"https://en.wikipedia.org/wiki/WAI-ARIA","title":"Wikipedia"},{"url":"http://www.alistapart.com/articles/the-accessibility-of-wai-aria/","title":"ALA Article"},{"url":"http://zufelt.ca/blog/are-you-confused-html5-and-wai-aria-yet","title":"HTML5/WAI-ARIA information"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a","9":"a","10":"a","11":"a"},"edge":{"12":"a","13":"a","14":"a","15":"a","16":"a","17":"a"},"firefox":{"2":"a","3":"a","3.5":"a","3.6":"a","4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a"},"chrome":{"4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a","62":"a","63":"a","64":"a","65":"a","66":"a","67":"a"},"safari":{"3.1":"n","3.2":"n","4":"a","5":"a","5.1":"a","6":"a","6.1":"a","7":"a","7.1":"a","8":"a","9":"a","9.1":"a","10":"a","10.1":"a","11":"a","11.1":"a","TP":"a"},"opera":{"9":"n","9.5-9.6":"a","10.0-10.1":"a","10.5":"a","10.6":"a","11":"a","11.1":"a","11.5":"a","11.6":"a","12":"a","12.1":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"a","10.3":"a","11.0-11.2":"a","11.3":"a"},"op_mini":{"all":"a"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a","4.4.3-4.4.4":"a","62":"a"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"a","11":"a","11.1":"a","11.5":"a","12":"a","12.1":"a","37":"a"},"and_chr":{"64":"a"},"and_ff":{"57":"a"},"ie_mob":{"10":"a","11":"a"},"and_uc":{"11.8":"n"},"samsung":{"4":"a","5":"a","6.2":"a"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"a"}},"notes":"Support for ARIA is rather complex and currently is not fully supported in any browser. For detailed information on partial support see the [ARIA 1.0 Implementation Report](https://www.w3.org/WAI/ARIA/1.0/CR/implementation-report)\r\n","notes_by_num":{},"usage_perc_y":0,"usage_perc_a":89.31,"ucprefix":false,"parent":"","keywords":"wai,aria","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"geolocation":{"title":"Geolocation","description":"Method of informing a website of the user's geographical location","spec":"https://www.w3.org/TR/geolocation-API/","status":"rec","links":[{"url":"http://html5demos.com/geo","title":"Simple demo"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-geolocation","title":"has.js test"},{"url":"https://www.webplatform.org/docs/apis/geolocation","title":"WebPlatform Docs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1"},"chrome":{"4":"a","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y #1","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1","62":"y #1","63":"y #1","64":"y #1","65":"y #1","66":"y #1","67":"y #1"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y #1","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"p","10.5":"p","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"n","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y #1","10.3":"y #1","11.0-11.2":"y #1","11.3":"y #1"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y #1"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"p","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y #1"},"and_ff":{"57":"y #1"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y #1","6.2":"y #1"},"and_qq":{"1.2":"y #1"},"baidu":{"7.12":"y #1"}},"notes":"","notes_by_num":{"1":"Only works on secure (https) servers"},"usage_perc_y":94.97,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"geolocation","chrome_id":"6348855016685568","firefox_id":"","webkit_id":""},"flexbox":{"title":"CSS Flexible Box Layout Module","description":"Method of positioning elements in horizontal or vertical stacks. Support includes all properties prefixed with `flex`, as well as `display: flex`, `display: inline-flex`, `align-content`, `align-items`, `align-self`, `justify-content` and `order`.","spec":"https://www.w3.org/TR/css3-flexbox/","status":"cr","links":[{"url":"http://bennettfeely.com/flexplorer/","title":"Flexbox CSS generator"},{"url":"http://www.adobe.com/devnet/html5/articles/working-with-flexbox-the-new-spec.html","title":"Article on using the latest spec"},{"url":"https://dev.opera.com/articles/view/advanced-cross-browser-flexbox/","title":"Tutorial on cross-browser support"},{"url":"http://philipwalton.github.io/solved-by-flexbox/","title":"Examples on how to solve common layout problems with flexbox"},{"url":"https://css-tricks.com/snippets/css/a-guide-to-flexbox/","title":"A Complete Guide to Flexbox"},{"url":"http://the-echoplex.net/flexyboxes/","title":"Flexbox playground and code generator"},{"url":"https://github.com/philipwalton/flexbugs","title":"Flexbugs: Repo for flexbox bugs"},{"url":"https://github.com/10up/flexibility/","title":"10up Open Sources IE 8 and 9 Support for Flexbox"},{"url":"https://github.com/vadimyer/ecligrid","title":"Ecligrid - Mobile first flexbox grid system"},{"url":"http://gedd.ski/post/the-difference-between-width-and-flex-basis/","title":"The Difference Between Width and Flex-Basis"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #2 #4","11":"a #4"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a x #1","3":"a x #1","3.5":"a x #1","3.6":"a x #1","4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a #3","23":"a #3","24":"a #3","25":"a #3","26":"a #3","27":"a #3","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a x #1","3.2":"a x #1","4":"a x #1","5":"a x #1","5.1":"a x #1","6":"a x #1","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"y x","16":"y x","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a x #1","4.0-4.1":"a x #1","4.2-4.3":"a x #1","5.0-5.1":"a x #1","6.0-6.1":"a x #1","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"a x #1","2.2":"a x #1","2.3":"a x #1","3":"a x #1","4":"a x #1","4.1":"a x #1","4.2-4.3":"a x #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a x #1","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a x #2","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Most partial support refers to supporting an [older version](https://www.w3.org/TR/2009/WD-css3-flexbox-20090723/) of the specification or an [older syntax](https://www.w3.org/TR/2012/WD-css3-flexbox-20120322/).","notes_by_num":{"1":"Only supports the [old flexbox](https://www.w3.org/TR/2009/WD-css3-flexbox-20090723) specification and does not support wrapping.","2":"Only supports the [2012 syntax](https://www.w3.org/TR/2012/WD-css3-flexbox-20120322/)","3":"Does not support flex-wrap, flex-flow or align-content properties","4":"Partial support is due to large amount of bugs present (see known issues)"},"usage_perc_y":94.06,"usage_perc_a":3.74,"ucprefix":false,"parent":"","keywords":"flex-box,flex-direction,flex-wrap,flex-flow,flex-grow,flex-basis,display:flex,flex box","ie_id":"flexbox","chrome_id":"4837301406400512","firefox_id":"","webkit_id":""},"webgl":{"title":"WebGL - 3D Canvas graphics","description":"Method of generating dynamic 3D graphics using JavaScript, accelerated through hardware","spec":"https://www.khronos.org/registry/webgl/specs/1.0/","status":"other","links":[{"url":"http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation","title":"Instructions on enabling WebGL"},{"url":"http://www.khronos.org/webgl/wiki/Tutorial","title":"Tutorial"},{"url":"https://hacks.mozilla.org/2009/12/webgl-draft-released-today/","title":"Firefox blog post"},{"url":"http://webkit.org/blog/603/webgl-now-available-in-webkit-nightlies/","title":"WebKit blog post"},{"url":"https://github.com/iewebgl/iewebgl","title":"Polyfill for IE"}],"categories":["Canvas"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"p","10":"p","11":"y #1"},"edge":{"12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y #1","5":"y #1","6":"y #1","7":"y #1","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y #1","6":"y #1","6.1":"y #1","7":"y #1","7.1":"y #1","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"y #1","12.1":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"y #1"},"and_uc":{"11.8":"y #1"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"WebGL support is dependent on GPU support and may not be available on older devices. This is due to the additional requirement for users to have [up to date video drivers](http://www.khronos.org/webgl/wiki/BlacklistsAndWhitelists).\r\n\r\nNote that WebGL is part of the [Khronos Group](http://www.khronos.org/webgl/), not the W3C.","notes_by_num":{"1":"WebGL context is accessed from \"experimental-webgl\" rather than \"webgl\""},"usage_perc_y":93.11,"usage_perc_a":0,"ucprefix":false,"parent":"canvas","keywords":"web gl","ie_id":"webglcanvas3d,webglinstancingextension","chrome_id":"6049512976023552","firefox_id":"webgl-1","webkit_id":"specification-webgl-1"},"fileapi":{"title":"File API","description":"Method of manipulating file objects in web applications client-side, as well as programmatically selecting them and accessing their data.","spec":"https://www.w3.org/TR/FileAPI/","status":"wd","links":[{"url":"https://developer.mozilla.org/en/Using_files_from_web_applications","title":"MDN Web Docs - Using Files"},{"url":"https://www.webplatform.org/docs/apis/file","title":"WebPlatform Docs"},{"url":"https://github.com/moxiecode/moxie","title":"Polyfill"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #2","11":"a #2"},"edge":{"12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"a #2","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"a #1 #2","7":"a #1 #2","8":"a #1 #2","9":"a #1 #2","10":"a #1 #2","11":"a #1 #2","12":"a #1 #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"a #1 #2","6":"a #2","6.1":"a #2","7":"a #2","7.1":"a #2","8":"a #2","9":"a #2","9.1":"a #2","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"a #2","11.5":"a #2","11.6":"a #2","12":"a #2","12.1":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"a #2","7.0-7.1":"a #2","8":"a #2","8.1-8.4":"a #2","9.0-9.2":"a #2","9.3":"a #2","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a #1 #2","4":"a #1 #2","4.1":"a #1 #2","4.2-4.3":"a #1 #2","4.4":"a #2","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1 #2","10":"a #2"},"op_mob":{"10":"n","11":"n","11.1":"a #2","11.5":"a #2","12":"a #2","12.1":"a #2","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"a #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not have `FileReader` support. ","2":"Does not support the `File` constructor"},"usage_perc_y":86.85,"usage_perc_a":7.86,"ucprefix":false,"parent":"","keywords":"FileReader","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"shadowdom":{"title":"Shadow DOM v0","description":"Method of establishing and maintaining functional boundaries between DOM trees and how these trees interact with each other within a document, thus enabling better functional encapsulation within the DOM.","spec":"https://www.w3.org/TR/shadow-dom/","status":"wd","links":[{"url":"http://html5-demos.appspot.com/static/shadowdom-visualizer/index.html","title":"Shadow DOM Visualizer"},{"url":"https://www.html5rocks.com/tutorials/webcomponents/shadowdom/","title":"HTML5Rocks - Shadow DOM 101 article"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=148695","title":"Safari implementation bug"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1205323","title":"Firefox implementation bug"},{"url":"https://developers.google.com/web/fundamentals/getting-started/primers/shadowdom","title":"Google Developers - Shadow DOM v1: self-contained web components"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y x","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supported in Firefox behind the `dom.webcomponents.enabled` flag."},"usage_perc_y":70.92,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web components","ie_id":"shadowdom","chrome_id":"4507242028072960","firefox_id":"shadow-dom","webkit_id":"feature-shadow-dom"},"websockets":{"title":"Web Sockets","description":"Bidirectional communication technology for web apps","spec":"https://html.spec.whatwg.org/multipage/comms.html#network","status":"ls","links":[{"url":"http://websocket.org/aboutwebsocket.html","title":"WebSockets information"},{"url":"http://updates.html5rocks.com/2011/08/What-s-different-in-the-new-WebSocket-protocol","title":"Details on newer protocol"},{"url":"https://en.wikipedia.org/wiki/WebSocket","title":"Wikipedia"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-websockets","title":"has.js test"},{"url":"https://www.webplatform.org/docs/apis/websocket","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/WebSockets_API","title":"MDN Web Docs - WebSockets API"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a #1","5":"a #1","6":"a x #2","7":"a x #2","8":"a x #2","9":"a x #2","10":"a x #2","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #2","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a #1","5.1":"a #1","6":"a #2","6.1":"a #2","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y #1","10":"y"},"op_mob":{"10":"n","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Reported to be supported in some Android 4.x browsers, including Sony Xperia S, Sony TX and HTC.","notes_by_num":{"1":"Partial support in older browsers refers to the websockets implementation using an older version of the protocol and/or the implementation being disabled by default (due to security issues with the older protocol).","2":"Partial support in older browsers refers to lacking support for binary data."},"usage_perc_y":94.17,"usage_perc_a":0.34,"ucprefix":true,"parent":"","keywords":"","ie_id":"websocket","chrome_id":"6555138000945152","firefox_id":"websocket","webkit_id":""},"hidden":{"title":"hidden attribute","description":"The `hidden` attribute may be applied to any element, and effectively hides elements similar to `display: none` in CSS.","spec":"https://html.spec.whatwg.org/multipage/interaction.html#the-hidden-attribute","status":"ls","links":[{"url":"https://davidwalsh.name/html5-hidden","title":"Article on hidden attribute"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"The hidden state can be easily overridden with a CSS `display` property set to anything other than `none`.","notes_by_num":{},"usage_perc_y":97.51,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"script-async":{"title":"async attribute for external scripts","description":"The boolean async attribute on script elements allows the external JavaScript file to run when it's available, without delaying page load first.","spec":"https://html.spec.whatwg.org/multipage/scripting.html#attr-script-async","status":"ls","links":[{"url":"https://developer.mozilla.org/en/HTML/Element/script#Attributes","title":"MDN Web Docs - Script attributes"},{"url":"http://ie.microsoft.com/testdrive/Performance/AsyncScripts/Default.html","title":"Demo"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/script.js#script-async","title":"has.js test"},{"url":"http://www.growingwiththeweb.com/2014/02/async-vs-defer-attributes.html","title":"async vs defer attributes"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a #1","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Using script.async = false; to maintain execution order for dynamically-added scripts isn't supported in Safari 5.0"},"usage_perc_y":94.67,"usage_perc_a":0.02,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"mediasource":{"title":"Media Source Extensions","description":"API allowing media data to be accessed from HTML `video` and `audio` elements.","spec":"https://www.w3.org/TR/media-source/","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/MediaSource#Browser_compatibility","title":"MDN Web Docs - MediaSource"},{"url":"https://msdn.microsoft.com/en-us/library/dn594470%28v=vs.85%29.aspx","title":"MSDN article"},{"url":"http://html5-demos.appspot.com/static/media-source.html","title":"MediaSource demo"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a #2"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n d","18":"n d","19":"n d","20":"n d","21":"n d","22":"n d","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"n #3","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Requires the `media.mediasource.enabled` flag to be enabled, support is limited to a whitelist including the YouTube, Netflix, and Dailymotion websites","2":"Partial support in IE11 refers to only working in Windows 8+","3":"Due to compatibility issues, MediaSource Extensions are currently disabled by default in Samsung Internet."},"usage_perc_y":78.96,"usage_perc_a":2.78,"ucprefix":false,"parent":"","keywords":"sourcebuffer,endofstream,mse","ie_id":"mediasourceextensions","chrome_id":"4563797888991232","firefox_id":"mse","webkit_id":""},"cors":{"title":"Cross-Origin Resource Sharing","description":"Method of performing XMLHttpRequests across domains","spec":"https://fetch.spec.whatwg.org/#http-cors-protocol","status":"ls","links":[{"url":"https://hacks.mozilla.org/2009/07/cross-site-xmlhttprequest-with-cors/","title":"Mozilla Hacks blog post"},{"url":"http://msdn.microsoft.com/en-us/library/cc288060(VS.85).aspx","title":"Alternative implementation by IE8"},{"url":"https://dev.opera.com/articles/view/dom-access-control-using-cross-origin-resource-sharing/","title":"DOM access using CORS"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-cors-xhr","title":"has.js test"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS","title":"MDN Web Docs - Access control CORS"}],"categories":["JS API","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #2","9":"a #2","10":"a #1","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"a #1 #3","5":"a #1 #3","5.1":"a #1 #3","6":"y #3","6.1":"y #3","7":"y #3","7.1":"y #3","8":"y #3","9":"y #3","9.1":"y #3","10":"y #3","10.1":"y #3","11":"y #3","11.1":"y #3","TP":"y #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1 #3","4.0-4.1":"a #1 #3","4.2-4.3":"a #1 #3","5.0-5.1":"a #1 #3","6.0-6.1":"y #3","7.0-7.1":"y #3","8":"y #3","8.1-8.4":"y #3","9.0-9.2":"y #3","9.3":"y #3","10.0-10.2":"y #3","10.3":"y #3","11.0-11.2":"y #3","11.3":"y #3"},"op_mini":{"all":"n"},"android":{"2.1":"a #1","2.2":"a #1","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not support CORS for images in `<canvas>`","2":"Supported somewhat in IE8 and IE9 using the XDomainRequest object (but has [limitations](http://blogs.msdn.com/b/ieinternals/archive/2010/05/13/xdomainrequest-restrictions-limitations-and-workarounds.aspx))","3":"Does not support CORS for `<video>` in `<canvas>`: https://bugs.webkit.org/show_bug.cgi?id=135379"},"usage_perc_y":94.13,"usage_perc_a":1.03,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-backdrop-filter":{"title":"CSS Backdrop Filter","description":"Method of applying filter effects (like blur, grayscale or hue) to content/elements below the target element.","spec":"https://drafts.fxtf.org/filter-effects-2/#BackdropFilterProperty","status":"unoff","links":[{"url":"http://product.voxmedia.com/til/2015/2/17/8053347/css-ios-transparency-with-webkit-backdrop-filter","title":"Blog post"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/backdrop-filter","title":"MDN Web Docs - CSS backdrop filter"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/9160189-backdrop-filters","title":"Edge feature request"}],"categories":["CSS","CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1","62":"n d #1","63":"n d #1","64":"n d #1","65":"n d #1","66":"n d #1","67":"n d #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n d #1"},"and_chr":{"64":"n d #1"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n d #1","6.2":"n d #1"},"and_qq":{"1.2":"n d #1"},"baidu":{"7.12":"n d #1"}},"notes":"","notes_by_num":{"1":"Can be enabled via the \"Experimental Web Platform Features\" flag"},"usage_perc_y":12.31,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"blue,hue-rotate,invert,saturate,filter","ie_id":"backdropfilter","chrome_id":"5679432723333120","firefox_id":"css-backdrop-filter","webkit_id":"feature-filter-effects-backdrop-filter-property"},"calc":{"title":"calc() as CSS unit value","description":"Method of allowing calculated values for length units, i.e. `width: calc(100% - 3em)`","spec":"https://www.w3.org/TR/css3-values/#calc","status":"cr","links":[{"url":"https://hacks.mozilla.org/2010/06/css3-calc/","title":"Mozilla Hacks article"},{"url":"https://developer.mozilla.org/en/docs/Web/CSS/calc","title":"MDN Web Docs - calc"},{"url":"https://www.webplatform.org/docs/css/functions/calc","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #2","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y x","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y x","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support can be somewhat emulated in older versions of IE using the non-standard `expression()` syntax.\r\n\r\nDue to the way browsers handle [sub-pixel rounding](http://ejohn.org/blog/sub-pixel-problems-in-css/) differently, layouts using `calc()` expressions may have unexpected results.","notes_by_num":{"1":"Partial support in Android Browser 4.4 refers to the browser lacking the ability to multiply and divide values.","2":"Partial support in IE9 refers to the browser crashing when used as a `background-position` value."},"usage_perc_y":93.11,"usage_perc_a":1.16,"ucprefix":false,"parent":"","keywords":"","ie_id":"csscalc","chrome_id":"5765241438732288","firefox_id":"","webkit_id":""},"dom-range":{"title":"Document Object Model Range","description":"A contiguous range of content in a Document, DocumentFragment or Attr","spec":"https://dom.spec.whatwg.org/#ranges","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Range","title":"MDN Web Docs - Range"},{"url":"https://www.quirksmode.org/dom/range_intro.html","title":"QuirksMode"},{"url":"https://github.com/timdown/rangy","title":"\"Rangy\" Range library with old IE support"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"See [MDN](https://developer.mozilla.org/en-US/docs/Web/API/Range) for feature support details","notes_by_num":{},"usage_perc_y":97.99,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"DOM,range,selection","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"ruby":{"title":"Ruby annotation","description":"Method of adding pronunciation or other annotations using ruby elements (primarily used in East Asian typography).","spec":"https://html.spec.whatwg.org/multipage/semantics.html#the-ruby-element","status":"ls","links":[{"url":"http://html5doctor.com/ruby-rt-rp-element/","title":"HTML5 Doctor article"},{"url":"https://www.webplatform.org/docs/html/elements/ruby","title":"WebPlatform Docs"},{"url":"https://addons.mozilla.org/firefox/addon/1935/","title":"Add-on \"XHTML Ruby Support\" for Firefox"},{"url":"https://addons.mozilla.org/firefox/addon/6812/","title":"Addon \"HTML Ruby\" for Firefox support"},{"url":"https://www.w3.org/TR/css-ruby-1/","title":"CSS specification"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a"},"edge":{"12":"a","13":"a","14":"a","15":"a","16":"a","17":"a"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a","62":"a","63":"a","64":"a","65":"a","66":"a","67":"a"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"a","5.1":"a","6":"a","6.1":"a","7":"a","7.1":"a","8":"a","9":"a","9.1":"a","10":"a","10.1":"a","11":"a","11.1":"a","TP":"a"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"p","11.6":"p","12":"p","12.1":"p","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"a","10.3":"a","11.0-11.2":"a","11.3":"a"},"op_mini":{"all":"p"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"a","4.4.3-4.4.4":"a","62":"a"},"bb":{"7":"p","10":"a"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"a"},"and_chr":{"64":"a"},"and_ff":{"57":"y"},"ie_mob":{"10":"a","11":"a"},"and_uc":{"11.8":"a"},"samsung":{"4":"a","5":"a","6.2":"a"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"a"}},"notes":"Browsers without native support can still simulate support using CSS. Partial support refers to only supporting basic ruby, may still be missing writing-mode, Complex ruby and CSS3 Ruby.","notes_by_num":{"1":"IE9+ supports [properties](https://msdn.microsoft.com/en-us/library/hh772055%28v=vs.85%29.aspx) of an older version of the CSS Ruby specification."},"usage_perc_y":5.38,"usage_perc_a":89.44,"ucprefix":false,"parent":"","keywords":"ruby-base,ruby-text,ruby-position,ruby-merge,ruby-align","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-opacity":{"title":"CSS3 Opacity","description":"Method of setting the transparency level of an element","spec":"https://www.w3.org/TR/css3-color/","status":"rec","links":[{"url":"https://www.webplatform.org/docs/css/properties/opacity","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"a","6":"a","7":"a","8":"a","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Transparency for elements in IE8 and older can be achieved using the proprietary \"filter\" property and does not work well with PNG images using alpha transparency.","notes_by_num":{},"usage_perc_y":97.99,"usage_perc_a":0.25,"ucprefix":false,"parent":"","keywords":"transparent,transparency,alpha","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"form-validation":{"title":"Form validation","description":"Method of setting required fields and field types without requiring JavaScript. This includes preventing forms from being submitted when appropriate, the `checkValidity()` method as well as support for the `:invalid`, `:valid`, and `:required` CSS pseudo-classes.","spec":"https://html.spec.whatwg.org/multipage/forms.html#client-side-form-validation","status":"ls","links":[{"url":"https://www.webplatform.org/docs/html/attributes/required","title":"WebPlatform Docs"},{"url":"https://webkit.org/blog/7099/html-interactive-form-validation/","title":"WebKit Blog: HTML Interactive Form Validation"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #3"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"a #1","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #2","11":"a #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to lack of notice when form with required fields is attempted to be submitted. See [WebKit bug](https://bugs.webkit.org/show_bug.cgi?id=28649).","2":"Partial support in IE10 mobile refers to lack of warning when blocking submission.","3":"Partial support in Opera Mini refers to only supporting the CSS pseudo classes."},"usage_perc_y":91.7,"usage_perc_a":6.06,"ucprefix":false,"parent":"forms","keywords":"","ie_id":"","chrome_id":"6091813840486400","firefox_id":"","webkit_id":"feature-html-interactive-form-validation"},"history":{"title":"Session history management","description":"Method of manipulating the user's browser's session history in JavaScript using `history.pushState`, `history.replaceState` and the `popstate` event.","spec":"https://html.spec.whatwg.org/multipage/browsers.html#dom-history-pushstate","status":"ls","links":[{"url":"http://www.adequatelygood.com/2010/7/Saner-HTML5-History-Management","title":"Introduction to history management"},{"url":"https://developer.mozilla.org/en/DOM/Manipulating_the_browser_history","title":"MDN Web Docs - Manipulating the browser history"},{"url":"http://html5demos.com/history","title":"Demo page"},{"url":"https://github.com/browserstate/history.js","title":"History.js polyfill"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-history-state","title":"has.js test"},{"url":"https://www.webplatform.org/docs/dom/History","title":"WebPlatform Docs"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a","5.1":"a","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"a","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"y","2.3":"y","3":"n","4":"n","4.1":"n","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Older iOS versions and Android 4.0.4 claim support, but implementation is too buggy to be useful.","notes_by_num":{},"usage_perc_y":94.57,"usage_perc_a":0.14,"ucprefix":false,"parent":"","keywords":"onpushstate,onreplacestate","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"json":{"title":"JSON parsing","description":"Method of converting JavaScript objects to JSON strings and JSON back to objects using JSON.stringify() and JSON.parse()","spec":"https://www.ecma-international.org/ecma-262/5.1/#sec-15.12","status":"other","links":[{"url":"https://developer.mozilla.org/En/Using_native_JSON","title":"MDN Web Docs - Using JSON"},{"url":"http://www.json.org/js.html","title":"JSON in JS (includes script w/support)"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/json.js#json","title":"has.js test"},{"url":"https://www.webplatform.org/docs/apis/json","title":"WebPlatform Docs"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"y #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Requires document to be in IE8+ [standards mode](http://msdn.microsoft.com/en-us/library/cc288325%28VS.85%29.aspx) to work in IE8."},"usage_perc_y":98.16,"usage_perc_a":0,"ucprefix":false,"parent":"es5","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"classlist":{"title":"classList (DOMTokenList)","description":"Method of easily manipulating classes on elements, using the DOMTokenList object.","spec":"https://dom.spec.whatwg.org/#dom-element-classlist","status":"ls","links":[{"url":"https://hacks.mozilla.org/2010/01/classlist-in-firefox-3-6/","title":"Mozilla Hacks article"},{"url":"https://github.com/eligrey/classList.js","title":"Polyfill script"},{"url":"https://www.webplatform.org/docs/dom/Element/classList","title":"WebPlatform Docs"},{"url":"https://www.sitepoint.com/exploring-classlist-api/","title":"SitePoint article"},{"url":"http://aurelio.audero.it/demo/classlist-api-demo.html","title":"Demo using classList"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Element.classList","title":"MDN Web Docs - Element.classList"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"p","6":"p","7":"p","8":"p","9":"p","10":"a #1 #2 #3","11":"a #1 #2 #3 #4"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"a #2 #3","4":"a #2 #3","5":"a #2 #3","6":"a #2 #3","7":"a #2 #3","8":"a #2 #3","9":"a #2 #3","10":"a #2 #3","11":"a #2 #3","12":"a #2 #3","13":"a #2 #3","14":"a #2 #3","15":"a #2 #3","16":"a #2 #3","17":"a #2 #3","18":"a #2 #3","19":"a #2 #3","20":"a #2 #3","21":"a #2 #3","22":"a #2 #3","23":"a #2 #3","24":"a #3","25":"a #3","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"a #1 #2 #3","9":"a #1 #2 #3","10":"a #1 #2 #3","11":"a #1 #2 #3","12":"a #1 #2 #3","13":"a #1 #2 #3","14":"a #1 #2 #3","15":"a #1 #2 #3","16":"a #1 #2 #3","17":"a #1 #2 #3","18":"a #1 #2 #3","19":"a #1 #2 #3","20":"a #1 #2 #3","21":"a #1 #2 #3","22":"a #1 #2 #3","23":"a #2 #3","24":"a #3","25":"a #3","26":"a #3","27":"a #3","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"a #1 #2 #3","6":"a #1 #2 #3","6.1":"a #1 #2 #3","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"a #1 #2 #3","11.6":"a #1 #2 #3","12":"a #1 #2 #3","12.1":"a #1 #2 #3","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"a #1 #2 #3","6.0-6.1":"a #1 #2 #3","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1 #2 #3"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"a #1 #2 #3","4":"a #1 #2 #3","4.1":"a #1 #2 #3","4.2-4.3":"a #1 #2 #3","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1 #2 #3","10":"y"},"op_mob":{"10":"p","11":"p","11.1":"a #1 #2 #3","11.5":"a #1 #2 #3","12":"a #1 #2 #3","12.1":"a #1 #2 #3","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1 #2 #3","11":"a #1 #2 #3"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not have support for `classList` on SVG or MathML elements.","2":"Does not support the second parameter for the `toggle` method","3":"Does not support multiple parameters for the `add()` & `remove()` methods","4":"Does not support assign to `classList`"},"usage_perc_y":90.74,"usage_perc_a":6.96,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"text-overflow":{"title":"CSS3 Text-overflow","description":"Append ellipsis when text overflows its containing element","spec":"https://www.w3.org/TR/css3-ui/#text-overflow","status":"cr","links":[{"url":"https://github.com/rmorse/AutoEllipsis","title":"jQuery polyfill for Firefox"},{"url":"https://developer.mozilla.org/En/CSS/Text-overflow","title":"MDN Web Docs - text-overflow"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/css.js#css-text-overflow","title":"has.js test"},{"url":"https://www.webplatform.org/docs/css/properties/text-overflow","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y x","9.5-9.6":"y x","10.0-10.1":"y x","10.5":"y x","10.6":"y x","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y x","11":"y x","11.1":"y x","11.5":"y x","12":"y x","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":98.14,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"textoverflow,ellipsis","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"webm":{"title":"WebM video format","description":"Multimedia format designed to provide a royalty-free, high-quality open video compression format for use with HTML5 video. WebM supports the video codec VP8 and VP9.","spec":"https://www.webmproject.org","status":"other","links":[{"url":"https://tools.google.com/dlpage/webmmf","title":"Codec for IE9 support"},{"url":"https://www.broken-links.com/2010/09/01/playing-webm-in-safari-with-plugins/","title":"Info on supporting WebM in Safari"},{"url":"https://www.webmproject.org","title":"Official website"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/video.js#video-webm","title":"has.js test"},{"url":"https://www.perian.org","title":"Perian :Mac OSX Webm Codec install"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"p","10":"p","11":"p"},"edge":{"12":"p","13":"p","14":"a","15":"a","16":"a","17":"a"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"p","4":"p","5":"p","5.1":"p","6":"p","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"p","11":"p","11.1":"p","TP":"p"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"a","11":"a","11.1":"a","11.5":"a","11.6":"a","12":"a","12.1":"a","15":"a","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"a","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"a","4.4.3-4.4.4":"a","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"p"},"and_uc":{"11.8":"y"},"samsung":{"4":"a","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Will work in IE9+ and Safari/MacOSX provided the user has the WebM codecs installed. Partial support indicates that at least one codec is supported but not all. MS Edge supports VP9 from MSE sources, also progressive sources are not supported by Edge.","notes_by_num":{},"usage_perc_y":74.24,"usage_perc_a":4.59,"ucprefix":false,"parent":"video","keywords":"matroska","ie_id":"webmcontainer,vp9videoplayback","chrome_id":"6362186595172352","firefox_id":"","webkit_id":""},"mpeg4":{"title":"MPEG-4/H.264 video format","description":"Commonly used video compression format.","spec":"http://ip.hhi.de/imagecom_G1/assets/pdfs/csvt_overview_0305.pdf","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC","title":"Wikipedia article"},{"url":"http://www.interoperabilitybridges.com/html5-extension-for-wmp-plugin","title":"Firefox extension allowing support in Win7"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a","2.2":"a","2.3":"a #1","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"a #2"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"a"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Firefox supports H.264 on Windows 7 and later since version 21. Firefox supports H.264 on Linux since version 26 if the appropriate gstreamer plug-ins are installed.\r\n\r\nPartial support for older Firefox versions refers to the lack of support in OS X & some non-Android Linux platforms.","notes_by_num":{"1":"The Android 2.3 browser requires [specific handling](https://www.broken-links.com/2010/07/08/making-html5-video-work-on-android-phones/) to play videos.","2":"Partial supports refers to the lack of hardware acceleration."},"usage_perc_y":85.33,"usage_perc_a":9.35,"ucprefix":false,"parent":"video","keywords":"avc,mp4,mpv,mov,aac,h264","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"ogv":{"title":"Ogg/Theora video format","description":"Free lossy video compression format.","spec":"http://theora.org/doc/","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Theora","title":"Wikipedia article"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"p","10":"p","11":"p"},"edge":{"12":"p","13":"p","14":"p","15":"p","16":"p","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"p"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":43.42,"usage_perc_a":0,"ucprefix":false,"parent":"video","keywords":"xiph","ie_id":"theoravideocodec,oggcontainer","chrome_id":"","firefox_id":"","webkit_id":""},"wordwrap":{"title":"CSS3 Overflow-wrap","description":"Allows lines to be broken within words if an otherwise unbreakable string is too long to fit. Currently mostly supported using the `word-wrap` property.","spec":"https://www.w3.org/TR/css3-text/#overflow-wrap","status":"wd","links":[{"url":"https://developer.mozilla.org/En/CSS/Word-wrap","title":"MDN Web Docs - CSS word-wrap"},{"url":"https://www.webplatform.org/docs/css/properties/word-wrap","title":"WebPlatform Docs"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=955857","title":"Bug on Firefox support"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6524680-update-word-wrap-to-overflow-wrap","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a"},"edge":{"12":"a","13":"a","14":"a","15":"a","16":"a","17":"a"},"firefox":{"2":"n","3":"n","3.5":"a","3.6":"a","4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a","3.2":"a","4":"a","5":"a","5.1":"a","6":"a","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"a","10.6":"a","11":"a","11.1":"a","11.5":"a","11.6":"a","12":"a","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a"},"android":{"2.1":"a","2.2":"a","2.3":"a","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a","10":"y"},"op_mob":{"10":"a","11":"a","11.1":"a","11.5":"a","12":"a","12.1":"a","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a","11":"a"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Partial support refers to requiring the legacy name \"word-wrap\" (rather than \"overflow-wrap\") to work.","notes_by_num":{},"usage_perc_y":88.57,"usage_perc_a":9.64,"ucprefix":false,"parent":"","keywords":"wordwrap,word-wrap","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"pointerlock":{"title":"Pointer Lock API","description":"API that provides access to raw mouse movement data. This is done by ignoring boundaries resulting from screen edges where the cursor can't go beyond, providing proper control for first person or real time strategy games. ","spec":"https://www.w3.org/TR/pointerlock/","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Pointer_Lock_API","title":"MDN Web Docs - Pointer Lock"},{"url":"http://mdn.github.io/pointer-lock-demo","title":"Simple demo"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n d","17":"n d","18":"n d","19":"n d","20":"n d","21":"n d","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":46.68,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"mouselock,pointer lock,mouse lock,requestPointerLock,pointerLockElement,exitPointerLock,movementX,movementY","ie_id":"pointerlockmouselock","chrome_id":"6753200417800192","firefox_id":"pointerlock","webkit_id":"specification-pointer-lock"},"object-fit":{"title":"CSS3 object-fit/object-position","description":"Method of specifying how an object (image or video) should fit inside its box. object-fit options include \"contain\" (fit according to aspect ratio), \"fill\" (stretches object to fill) and \"cover\" (overflows box but maintains ratio), where object-position allows the object to be repositioned like background-image does.","spec":"https://www.w3.org/TR/css3-images/","status":"cr","links":[{"url":"https://dev.opera.com/articles/view/css3-object-fit-object-position/","title":"Dev.Opera article"},{"url":"https://www.webplatform.org/docs/css/properties/object-fit","title":"WebPlatform Docs"},{"url":"https://github.com/bfred-it/object-fit-images/","title":"object-fit-images Polyfill for IE & Edge"},{"url":"https://developer.mozilla.org//docs/Web/CSS/object-fit","title":"MDN"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"a #2","17":"a #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"y x","11":"y x","11.1":"y x","11.5":"y x","11.6":"y x","12":"y x","12.1":"y x","15":"n","16":"n","17":"n","18":"n","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y x"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"y x","11.1":"y x","11.5":"y x","12":"y x","12.1":"y x","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in Safari refers to support for `object-fit` but not `object-position`.","2":"Partial support in Edge refers to `object-fit` only supporting `<img>` ([see this comment](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/13603873/#comment-0))"},"usage_perc_y":90.03,"usage_perc_a":2.15,"ucprefix":false,"parent":"","keywords":"objectfit,objectposition","ie_id":"objectfitandobjectposition","chrome_id":"5302669702856704","firefox_id":"","webkit_id":""},"xhr2":{"title":"XMLHttpRequest advanced features","description":"Adds more functionality to XHR (aka AJAX) requests like file uploads, transfer progress information and the ability to send form data. Previously known as [XMLHttpRequest Level 2](https://www.w3.org/TR/2012/WD-XMLHttpRequest-20120117/), these features now appear simply in the XMLHttpRequest spec.","spec":"https://xhr.spec.whatwg.org/","status":"ls","links":[{"url":"https://developer.mozilla.org/en/XMLHttpRequest/FormData","title":"MDN Web Docs - FormData"},{"url":"https://github.com/jimmywarting/FormData","title":"Polyfill for FormData object"},{"url":"https://www.webplatform.org/docs/apis/xhr/XMLHttpRequest","title":"WebPlatform Docs"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"a #1 #2 #3","3.6":"a #1 #2 #3","4":"a #1 #2 #3","5":"a #1 #2 #3","6":"a #1 #2","7":"a #1 #2","8":"a #1 #2","9":"a #1 #2","10":"a #2","11":"a #2","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"a #1 #2","8":"a #1 #2","9":"a #1 #2","10":"a #1 #2","11":"a #1 #2","12":"a #1 #2","13":"a #1 #2","14":"a #1 #2","15":"a #1 #2","16":"a #1 #2","17":"a #1 #2","18":"a #1 #2","19":"a #1 #2","20":"a #1 #2","21":"a #1 #2","22":"a #1 #2","23":"a #1 #2","24":"a #1 #2","25":"a #1 #2","26":"a #1 #2","27":"a #1 #2","28":"a #1 #2","29":"a #1","30":"a #1","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a #1 #2","5.1":"a #1 #2","6":"a #1 #2","6.1":"a #1","7":"a #1","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"y","12.1":"y","15":"a #1","16":"a #1","17":"a #1","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a #1 #2","6.0-6.1":"a #1 #2","7.0-7.1":"a #1","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a #1 #2 #3","4":"a #1 #2 #3","4.1":"a #1 #2 #3","4.2-4.3":"a #1 #2 #3","4.4":"a #1 #2","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1 #2","10":"a #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to not supporting `json` as `responseType`","2":"Partial support refers to not supporting `.timeout` and `.ontimeout`","3":"Partial support refers to not supporting `blob` as `responseType`"},"usage_perc_y":89.97,"usage_perc_a":4.81,"ucprefix":false,"parent":"","keywords":"formdata,xhr level 2","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"minmaxwh":{"title":"CSS min/max-width/height","description":"Method of setting a minimum or maximum width or height to an element. ","spec":"https://www.w3.org/TR/CSS21/visudet.html#min-max-widths","status":"rec","links":[{"url":"https://code.google.com/archive/p/ie7-js/","title":"JS library with support"},{"url":"https://www.webplatform.org/docs/css/properties/min-width","title":"WebPlatform Docs"},{"url":"https://www.impressivewebs.com/min-max-width-height-css/","title":"CSS Basics post"}],"categories":["CSS2"],"stats":{"ie":{"5.5":"p","6":"p","7":"y #1","8":"y #2","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE7 does not support `inherit` as a value on any of these properties.","2":"IE8 has some bugs with `max-width`/`height` combined with `overflow: auto`/`scroll`."},"usage_perc_y":98.22,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"min-width,min-height,max-width,max-height","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"details":{"title":"Details & Summary elements","description":"The <details> element generates a simple no-JavaScript widget to show/hide element contents, optionally by clicking on its child <summary> element.","spec":"https://html.spec.whatwg.org/multipage/forms.html#the-details-element","status":"ls","links":[{"url":"https://mathiasbynens.be/notes/html5-details-jquery","title":"jQuery fallback script"},{"url":"https://gist.github.com/370590","title":"Fallback script"},{"url":"http://html5doctor.com/summary-figcaption-element/","title":"HTML5 Doctor article"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-details","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/elements/details","title":"WebPlatform Docs"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=591737","title":"Bug on Firefox support"},{"url":"https://github.com/javan/details-element-polyfill","title":"Details Element Polyfill"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"n d #1","48":"n d #1","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"y #2 #3","13":"y #2 #3","14":"y #2 #3","15":"y #2 #3","16":"y #2 #3","17":"y #2 #3","18":"y #2 #3","19":"y #2","20":"y #2","21":"y #2","22":"y #2","23":"y #2","24":"y #2","25":"y #2","26":"y #2","27":"y #2","28":"y #2","29":"y #2","30":"y #2","31":"y #2","32":"y #2","33":"y #2","34":"y #2","35":"y #2","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"p","6":"y #2","6.1":"y #2","7":"y #2","7.1":"y #2","8":"y #2","9":"y #2","9.1":"y #2","10":"y #2","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"p"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"p","10":"y"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y #2 #3"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Enabled in Firefox through the `dom.details_element.enabled` flag","2":"'toggle' event is not supported","3":"<summary> is not keyboard accessible"},"usage_perc_y":88.91,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"detailssummary","chrome_id":"5348024557502464","firefox_id":"","webkit_id":""},"text-stroke":{"title":"CSS text-stroke and text-fill","description":"Method of declaring the outline (stroke) width and color for text.","spec":"https://compat.spec.whatwg.org/#text-fill-and-stroking","status":"unoff","links":[{"url":"https://css-tricks.com/adding-stroke-to-web-text/","title":"Information & workarounds"},{"url":"http://www.westciv.com/tools/textStroke/","title":"Live editor"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/-webkit-text-stroke","title":"MDN Web Docs - text-stroke"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y x #1","16":"y x #1","17":"y x #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n d #1 #2","49":"y x #1","50":"y x #1","51":"y x #1","52":"y x #1","53":"y x #1","54":"y x #1","55":"y x #1","56":"y x #1","57":"y x #1","58":"y x #1","59":"y x #1","60":"y x #1","61":"y x #1"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x","62":"y x","63":"y x","64":"y x","65":"y x","66":"y x","67":"y x"},"safari":{"3.1":"y x","3.2":"y x","4":"y x","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x"},"ios_saf":{"3.2":"a x","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"y x","2.2":"y x","2.3":"y x","3":"n","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y x"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y x"},"and_ff":{"57":"y x #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y x"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y x"}},"notes":"Does not yet appear in any W3C specification. Was briefly included in a spec as the \"text-outline\" property, but this was removed.","notes_by_num":{"1":"Firefox & Edge specifically only support the `-webkit-text-stroke` property (not using `-moz-` or `-ms-` prefix)","2":"Requires the `layout.css.prefixes.webkit` flag to be enabled."},"usage_perc_y":90.73,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"textstroke,stroke-color,stroke-width,text-fill-color,text-outline","ie_id":"webkittextstroke","chrome_id":"","firefox_id":"","webkit_id":""},"chacha20-poly1305":{"title":"ChaCha20-Poly1305 cipher suites for TLS","description":"A set of cipher suites used in Transport Layer Security (TLS) protocol, using ChaCha20 for symmetric encryption and Poly1305 for authentication.","spec":"https://tools.ietf.org/html/rfc7905","status":"other","links":[{"url":"https://security.googleblog.com/2014/04/speeding-up-and-strengthening-https.html","title":"Chrome article"},{"url":"https://www.ssllabs.com/ssltest/viewMyClient.html","title":"SSL/TLS Capabilities of Your Browser by Qualys SSL Labs"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/12300414-support-chacha20-poly1305-cipher-suites-in-edge-sc","title":"Microsoft Edge feature request on UserVoice"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"u","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Old versions of Chrome use non-standard code points for ChaCha20-Poly1305 cipher suites."},"usage_perc_y":73.93,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"chacha20,poly1305,tls,cipher","ie_id":"","chrome_id":"5355238106071040","firefox_id":"","webkit_id":""},"inline-block":{"title":"CSS inline-block","description":"Method of displaying an element as a block while flowing it with text. ","spec":"https://www.w3.org/TR/CSS21/visuren.html#fixed-positioning","status":"rec","links":[{"url":"http://robertnyman.com/2010/02/24/css-display-inline-block-why-it-rocks-and-why-it-sucks/","title":"Blog post w/info"},{"url":"http://blog.mozilla.com/webdev/2009/02/20/cross-browser-inline-block/","title":"Info on cross browser support"},{"url":"https://www.webplatform.org/docs/css/properties/display","title":"WebPlatform Docs"}],"categories":["CSS2"],"stats":{"ie":{"5.5":"a","6":"a #1","7":"a #1","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a x","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Only supported in IE6 and IE7 on elements with a display of \"inline\" by default. [Alternative properties](http://blog.mozilla.com/webdev/2009/02/20/cross-browser-inline-block/) are available to provide complete cross-browser support."},"usage_perc_y":98.2,"usage_perc_a":0.04,"ucprefix":false,"parent":"","keywords":"inlineblock,display:inline-block","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"notifications":{"title":"Web Notifications","description":"Method of alerting the user outside of a web page by displaying notifications (that do not require interaction by the user).","spec":"https://notifications.spec.whatwg.org/","status":"ls","links":[{"url":"https://www.html5rocks.com/tutorials/notifications/quick/","title":"HTML5 Rocks tutorial"},{"url":"http://www.chromium.org/developers/design-documents/desktop-notifications/api-specification","title":"Chromium API"},{"url":"https://addons.mozilla.org/en-us/firefox/addon/221523/","title":"Add-on"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/notification","title":"MDN Web Docs - Notification"},{"url":"https://www.sitepoint.com/introduction-web-notifications-api/","title":"SitePoint article"},{"url":"http://aurelio.audero.it/demo/web-notifications-api-demo.html","title":"Demo"},{"url":"http://ukot.github.io/ie_web_notifications/","title":"Plug-in for support in IE"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"a x","6":"a x","7":"a x","8":"a x","9":"a x","10":"a x","11":"a x","12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"a x","21":"a x","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a x","4.4.3-4.4.4":"a x","62":"a x"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x"},"and_chr":{"64":"n #2"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"a x","5":"n #2","6.2":"n #2"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n #2"}},"notes":"","notes_by_num":{"1":"Can be enabled in `about:flags`","2":"Chrome for Android supports notifications via the [Push API](https://caniuse.com/#feat=push-api) but not the Web Notifications API."},"usage_perc_y":38.7,"usage_perc_a":2.23,"ucprefix":false,"parent":"","keywords":"","ie_id":"webnotifications","chrome_id":"5064350557536256","firefox_id":"","webkit_id":""},"stream":{"title":"getUserMedia/Stream API","description":"Method of accessing external device data (such as a webcam video stream). Formerly this was envisioned as the <device> element.","spec":"https://www.w3.org/TR/mediacapture-streams/","status":"cr","links":[{"url":"https://dev.opera.com/blog/webcam-orientation-preview/","title":"Technology preview from Opera"},{"url":"https://www.webplatform.org/docs/dom/Navigator/getUserMedia","title":"WebPlatform Docs"},{"url":"https://blogs.windows.com/msedgedev/2015/05/13/announcing-media-capture-functionality-in-microsoft-edge/","title":"Media Capture functionality in Microsoft Edge"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"a x #1 #2","18":"a x #1 #2","19":"a x #1 #2","20":"a x #1 #2","21":"a x #1 #2","22":"a x #1 #2","23":"a x #1 #2","24":"a x #1 #2","25":"a x #1 #2","26":"a x #1 #2","27":"a x #1 #2","28":"a x #1 #2","29":"a x #1 #2","30":"a x #1 #2","31":"a x #1 #2","32":"a x #1 #2","33":"a x #1 #2","34":"a x #1 #2","35":"a x #1 #2","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"a x #1 #2","22":"a x #1 #2","23":"a x #1 #2","24":"a x #1 #2","25":"a x #1 #2","26":"a x #1 #2","27":"a x #1 #2","28":"a x #1 #2","29":"a x #1 #2","30":"a x #1 #2","31":"a x #1 #2","32":"a x #1 #2","33":"a x #1 #2","34":"a x #1 #2","35":"a x #1 #2","36":"a x #1 #2","37":"a x #1 #2","38":"a x #1 #2","39":"a x #1 #2","40":"a x #1 #2","41":"a x #1 #2","42":"a x #1 #2","43":"a x #1 #2","44":"a x #1 #2","45":"a x #1 #2","46":"a x #1 #2","47":"a x #1 #2","48":"a x #1 #2","49":"a x #1 #2","50":"a x #1 #2","51":"a x #1 #2","52":"a x #1 #2","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"a x #1 #2","12.1":"a x #1 #2","15":"n","16":"n","17":"n","18":"a x #1 #2","19":"a x #1 #2","20":"a x #1 #2","21":"a x #1 #2","22":"a x #1 #2","23":"a x #1 #2","24":"a x #1 #2","25":"a x #1 #2","26":"a x #1 #2","27":"a x #1 #2","28":"a x #1 #2","29":"a x #1 #2","30":"a x #1 #2","31":"a x #1 #2","32":"a x #1 #2","33":"a x #1 #2","34":"a x #1 #2","35":"a x #1 #2","36":"a x #1 #2","37":"a x #1 #2","38":"a x #1 #2","39":"a x #1 #2","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"a x #1 #2"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"a x #1 #2","12.1":"a x #1 #2","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"a x #1 #2","5":"a x #1 #2","6.2":"y"},"and_qq":{"1.2":"a x #1 #2"},"baidu":{"7.12":"a x #1 #2"}},"notes":"As of Chrome 47, the getUserMedia API cannot be called from insecure origins.","notes_by_num":{"1":"Blink-based (and some other) browsers support an older version of the spec that does not use `srcObject`. [See Chromium issue 387740](https://code.google.com/p/chromium/issues/detail?id=387740).","2":"Supports the older spec's `navigator.getUserMedia` API, not the newer `navigator.mediaDevices.getUserMedia` one."},"usage_perc_y":83.02,"usage_perc_a":3.56,"ucprefix":false,"parent":"","keywords":"camera,device,getUserMedia,media stream,mediastream,Media Capture API","ie_id":"mediacaptureandstreams","chrome_id":"6067380039974912,6605041225957376","firefox_id":"","webkit_id":""},"svg-img":{"title":"SVG in HTML img element","description":"Method of displaying SVG images in HTML using <img>.","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html","status":"ls","links":[{"url":"http://blog.dholbert.org/2010/10/svg-as-image.html","title":"Blog post with examples"},{"url":"http://www.codedread.com/blog/","title":"Blog with SVGs an images"}],"categories":["SVG"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"a","4":"a #1","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to not supporting embedded images (data URIs) inside the SVG."},"usage_perc_y":97.04,"usage_perc_a":0.9,"ucprefix":false,"parent":"","keywords":"svg-as-img,svg-in-img","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"datalist":{"title":"Datalist element","description":"Method of setting a list of options for a user to select in a text field, while leaving the ability to enter a custom value.","spec":"https://html.spec.whatwg.org/multipage/forms.html#the-datalist-element","status":"ls","links":[{"url":"https://hacks.mozilla.org/2010/11/firefox-4-html5-forms/","title":"Mozilla Hacks article"},{"url":"http://afarkas.github.com/webshim/demos/","title":"HTML5 Library including datalist support"},{"url":"https://developer.mozilla.org/en/HTML/Element/datalist","title":"MDN Web Docs - datalist"},{"url":"https://www.webplatform.org/docs/html/elements/datalist","title":"WebPlatform Docs"},{"url":"http://demo.agektmr.com/datalist/","title":"Eiji Kitamura's options demos & tests"},{"url":"https://github.com/thgreasi/datalist-polyfill","title":"Minimal Datalist polyfill w/tutorial"},{"url":"https://github.com/mfranzke/datalist-polypill","title":"Minimal and library dependency-free vanilla JavaScript polypill"},{"url":"https://github.com/mfranzke/datalist-polyfill","title":"Minimal and library dependency-free vanilla JavaScript polyfill"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"p","10":"a #2","11":"a #2"},"edge":{"12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"a #3","5":"a #3","6":"a #3","7":"a #3","8":"a #3","9":"a #3","10":"a #3","11":"a #3","12":"a #3","13":"a #3","14":"a #3","15":"a #3","16":"a #3","17":"a #3","18":"a #3","19":"a #3","20":"a #3","21":"a #3","22":"a #3","23":"a #3","24":"a #3","25":"a #3","26":"a #3","27":"a #3","28":"a #3","29":"a #3","30":"a #3","31":"a #3","32":"a #3","33":"a #3","34":"a #3","35":"a #3","36":"a #3","37":"a #3","38":"a #3","39":"a #3","40":"a #3","41":"a #3","42":"a #3","43":"a #3","44":"a #3","45":"a #3","46":"a #3","47":"a #3","48":"a #3","49":"a #3","50":"a #3","51":"a #3","52":"a #3","53":"a #3","54":"a #3","55":"a #3","56":"a #3","57":"a #3","58":"a #3","59":"a #3","60":"a #3","61":"a #3"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"a #1","64":"a #1","65":"a #1","66":"a #1","67":"a #1"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"p","6":"p","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"p","11":"p","11.1":"p","TP":"p"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"p","7.0-7.1":"p","8":"p","8.1-8.4":"p","9.0-9.2":"p","9.3":"p","10.0-10.2":"p","10.3":"p","11.0-11.2":"p","11.3":"p"},"op_mini":{"all":"n"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"y","62":"a #1"},"bb":{"7":"p","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"p"},"and_chr":{"64":"y"},"and_ff":{"57":"a #3"},"ie_mob":{"10":"p","11":"p"},"and_uc":{"11.8":"p"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"While most commonly used on text fields, datalists can also be used on other input types. IE11 supports the element on `range` fields. Chrome and Opera also support datalists to suggest given values on `range`, `color` and date/time fields. ","notes_by_num":{"1":"Partial support refers to [a bug](https://bugs.chromium.org/p/chromium/issues/detail?id=773041) where long lists of items are unscrollable resulting in unselectable options.","2":"Partial support in IE refers to [significantly buggy behavior](http://playground.onereason.eu/2013/04/ie10s-lousy-support-for-datalists/) (IE11+ does send the input and change events upon selection). ","3":"Partial support refers to no support for datalists on non-text fields (e.g. number, [range](https://bugzilla.mozilla.org/show_bug.cgi?id=841942), [color](https://bugzilla.mozilla.org/show_bug.cgi?id=960984))."},"usage_perc_y":32.97,"usage_perc_a":39.38,"ucprefix":false,"parent":"forms","keywords":"list attribute","ie_id":"datalistelement","chrome_id":"6090950820495360","firefox_id":"","webkit_id":""},"dataset":{"title":"dataset & data-* attributes","description":"Method of applying and accessing custom data to elements.","spec":"https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes","status":"ls","links":[{"url":"http://html5doctor.com/html5-custom-data-attributes/","title":"HTML5 Doctor article"},{"url":"http://html5demos.com/dataset","title":"Demo using dataset"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/dom.js#dom-dataset","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/attributes/data-*","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement.dataset","title":"MDN Web Docs - dataset"},{"url":"https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Using_data_attributes","title":"MDN Guide - Using data-* attributes"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/15885483-support-dataset-and-data-attributes-on-svg-element","title":"MS Edge UserVoice #15885483: Support dataset and data attributes on SVG elements"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a","3":"a","3.5":"a","3.6":"a","4":"a","5":"a","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1"},"chrome":{"4":"a","5":"a","6":"a","7":"y #1","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1","62":"y #1","63":"y #1","64":"y #1","65":"y #1","66":"y #1","67":"y #1"},"safari":{"3.1":"a","3.2":"a","4":"a","5":"a","5.1":"y #1","6":"y #1","6.1":"y #1","7":"y #1","7.1":"y #1","8":"y #1","9":"y #1","9.1":"y #1","10":"y #1","10.1":"y #1","11":"y #1","11.1":"y #1","TP":"y #1"},"opera":{"9":"a","9.5-9.6":"a","10.0-10.1":"a","10.5":"a","10.6":"a","11":"a","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"y #1","6.0-6.1":"y #1","7.0-7.1":"y #1","8":"y #1","8.1-8.4":"y #1","9.0-9.2":"y #1","9.3":"y #1","10.0-10.2":"y #1","10.3":"y #1","11.0-11.2":"y #1","11.3":"y #1"},"op_mini":{"all":"a"},"android":{"2.1":"a","2.2":"a","2.3":"a","3":"y #1","4":"y #1","4.1":"y #1","4.2-4.3":"y #1","4.4":"y #1","4.4.3-4.4.4":"y #1","62":"y #1"},"bb":{"7":"y #1","10":"y #1"},"op_mob":{"10":"a","11":"a","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y #1"},"and_chr":{"64":"y #1"},"and_ff":{"57":"y #1"},"ie_mob":{"10":"a","11":"y"},"and_uc":{"11.8":"y #1"},"samsung":{"4":"y #1","5":"y #1","6.2":"y #1"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y #1"}},"notes":"Partial support refers to being able to use `data-*` attributes and access them using `getAttribute`. \r\n\r\n\"Supported\" refers to accessing the values using the `dataset` property. Current spec only refers to support on HTML elements, only some browsers also have support for SVG/MathML elements.","notes_by_num":{"1":"While the HTML spec doesn't require it, these browsers also support `dataset` and `data-*` attributes on SVG elements, in compliance with [current plans for SVG2](https://www.w3.org/2015/01/15-svg-minutes.html#item03)"},"usage_perc_y":94.55,"usage_perc_a":3.69,"ucprefix":false,"parent":"","keywords":"DOMStringMap","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-grid":{"title":"CSS Grid Layout","description":"Method of using a grid concept to lay out content, providing a mechanism for authors to divide available space for layout into columns and rows using a set of predictable sizing behaviors. Includes support for all `grid-*` properties and the `fr` unit.","spec":"https://www.w3.org/TR/css3-grid-layout/","status":"cr","links":[{"url":"http://blogs.msdn.com/b/ie/archive/2011/04/14/ie10-platform-preview-and-css-features-for-adaptive-layouts.aspx","title":"IE Blog post"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=60731","title":"WebKit (Chrome, Safari, etc.) feature request"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=616605","title":"Mozilla (Firefox) feature request"},{"url":"https://github.com/codler/Grid-Layout-Polyfill","title":"Polyfill based on old spec"},{"url":"https://github.com/FremyCompany/css-grid-polyfill/","title":"Polyfill based on new spec"},{"url":"https://webkit.org/blog/7434/css-grid-layout-a-new-layout-module-for-the-web/","title":"WebKit Blog post"},{"url":"https://gridbyexample.com/","title":"Css Grid By Example: Everything you need to learn CSS Grid Layout"},{"url":"https://mozilladevelopers.github.io/playground/","title":"Mozilla: Introduction to CSS Grid Layout"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"p","10":"a x #2","11":"a x #2"},"edge":{"12":"a x #2","13":"a x #2","14":"a x #2","15":"a x #2","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p d #3","41":"p d #3","42":"p d #3","43":"p d #3","44":"p d #3","45":"p d #3","46":"p d #3","47":"p d #3","48":"p d #3","49":"p d #3","50":"p d #3","51":"p d #3","52":"y #4","53":"y #4","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"p","26":"p","27":"p","28":"p","29":"p d #1","30":"p d #1","31":"p d #1","32":"p d #1","33":"p d #1","34":"p d #1","35":"p d #1","36":"p d #1","37":"p d #1","38":"p d #1","39":"p d #1","40":"p d #1","41":"p d #1","42":"p d #1","43":"p d #1","44":"p d #1","45":"p d #1","46":"p d #1","47":"p d #1","48":"p d #1","49":"p d #1","50":"p d #1","51":"p d #1","52":"p d #1","53":"p d #1","54":"p d #1","55":"p d #1","56":"p d #1","57":"y #4","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"p","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"p d #1","29":"p d #1","30":"p d #1","31":"p d #1","32":"p d #1","33":"p d #1","34":"p d #1","35":"p d #1","36":"p d #1","37":"p d #1","38":"p d #1","39":"p d #1","40":"p d #1","41":"p d #1","42":"p d #1","43":"p d #1","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"p","7.0-7.1":"p","8":"p","8.1-8.4":"p","9.0-9.2":"p","9.3":"p","10.0-10.2":"p","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"p","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"p"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a x #2","11":"a x #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"p","5":"n","6.2":"y"},"and_qq":{"1.2":"p d #1"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags","2":"Partial support in IE refers to supporting an [older version](https://www.w3.org/TR/2011/WD-css3-grid-layout-20110407/) of the specification.","3":"Enabled in Firefox through the `layout.css.grid.enabled ` flag","4":"There are some bugs with overflow ([1356820](https://bugzilla.mozilla.org/show_bug.cgi?id=1356820), [1348857](https://bugzilla.mozilla.org/show_bug.cgi?id=1348857), [1350925](https://bugzilla.mozilla.org/show_bug.cgi?id=1350925))","5":"Enabled in Edge through the \"Enable Unprefixed CSS Grid Layout\" flag in about:flags"},"usage_perc_y":82.8,"usage_perc_a":3.79,"ucprefix":false,"parent":"","keywords":"grids,grid-row,grid-column,grid-template,display:grid,inline-grid,fr unit,fractional unit","ie_id":"cssgridlayout","chrome_id":"4589636412243968","firefox_id":"css-grid-layout","webkit_id":"specification-css-grid-layout-level-1"},"menu":{"title":"Context menu item (menuitem element)","description":"Method of defining a context menu item, now deprecated and [removed from the HTML specification](https://github.com/whatwg/html/issues/2730). ","spec":"https://www.w3.org/TR/2016/REC-html51-20161101/interactive-elements.html#context-menus","status":"unoff","links":[{"url":"https://bug617528.bugzilla.mozilla.org/attachment.cgi?id=554309","title":"Demo"},{"url":"https://github.com/swisnl/jQuery-contextMenu","title":"jQuery polyfill"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/events.js#event-contextmenu","title":"has.js test"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=746087","title":"Bug on Firefox support"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6508881-html5-menu-tag-contextmenu-attribute","title":"Microsoft Edge feature request on UserVoice"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n d #3","42":"n d #3","43":"n d #3","44":"n d #3","45":"n d #3","46":"n d #3","47":"n d #3","48":"n d #2","49":"n d #2","50":"n d #2","51":"n d #2","52":"n d #5","53":"n d #5","54":"n d #5","55":"n d #5","56":"n d #5","57":"n d #5","58":"n d #5","59":"n d #5","60":"n d #5","61":"n d #5","62":"n d #5","63":"n d #5","64":"n d #5","65":"n d #5","66":"n d #5","67":"n d #5"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n d #2","36":"n d #2","37":"n d #2","38":"n d #2","39":"n d #5","40":"n d #5","41":"n d #5","42":"n d #5","43":"n d #5","44":"n d #5","45":"n d #5","46":"n d #5","47":"n d #5","48":"n d #5","49":"n d #5","50":"n d #5","51":"n d #5","52":"n d #5"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"a #1 #4"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n d #5"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support in Firefox refers to being limited to context menus, not toolbar menus.","2":"Context menus supported in Chromium under the \"Experimental Web Platform features\" flag","3":"Context menus with a non-compliant syntax (`type=popup`) supported in Chromium under the \"Experimental Web Platform features\" flag","4":"Nested menus are not supported","5":"Context menus supported in Chromium with the \"enable-blink-features=ContextMenu\" command line flag"},"usage_perc_y":0,"usage_perc_a":5.55,"ucprefix":false,"parent":"","keywords":"contextmenu,<menuitem>,command","ie_id":"menuelement","chrome_id":"","firefox_id":"","webkit_id":""},"css-zoom":{"title":"CSS zoom","description":"Non-standard method of scaling content.","spec":"https://msdn.microsoft.com/en-us/library/ms531189(v=vs.85).aspx","status":"unoff","links":[{"url":"https://css-tricks.com/almanac/properties/z/zoom/","title":"CSS Tricks"},{"url":"https://docs.webplatform.org/wiki/css/properties/zoom","title":"WebPlatform Docs"},{"url":"https://msdn.microsoft.com/en-us/library/ms531189(v=vs.85).aspx","title":"MSDN Library"},{"url":"https://developer.apple.com/library/safari/documentation/AppleApplications/Reference/SafariCSSRef/Articles/StandardCSSProperties.html#//apple_ref/doc/uid/TP30001266-SW1","title":"Safari Developer Library"},{"url":"http://www.satzansatz.de/cssd/onhavinglayout.html","title":"Article explaining usage of zoom as the hack for fixing rendering bugs in IE6 and IE7."},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/zoom","title":"MDN Web Docs - CSS zoom"}],"categories":["CSS"],"stats":{"ie":{"5.5":"y","6":"y","7":"y","8":"y #1","9":"y #1","10":"y #1","11":"y #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"y #1","11":"y #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Originally implemented only in Internet Explorer. Although several other browsers support the property, using `transform: scale()` is the recommended solution to scale content.","notes_by_num":{"1":"The `-ms-zoom` property is an extension to CSS, and can be used as a synonym for `zoom` in IE8 Standards mode."},"usage_perc_y":89.49,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"-ms-zoom,transform,-moz-transform,-ms-transform,-webkit-transform,-o-transform,scale,css-transforms","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"rem":{"title":"rem (root em) units","description":"Type of unit similar to `em`, but relative only to the root element, not any parent element. Thus compounding does not occur as it does with `em` units.","spec":"https://www.w3.org/TR/css3-values/#font-relative-lengths","status":"cr","links":[{"url":"http://snook.ca/archives/html_and_css/font-size-with-rem","title":"Article on usage"},{"url":"https://github.com/chuckcarpenter/REM-unit-polyfill","title":"REM Polyfill"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"a #1","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"a #2","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE 9 & IE 10 do not support `rem` units when used in the `font` shorthand property (the entire declaration is ignored) or when used on pseudo elements.","2":"iOS Safari 5.0-5.1 support `rem` but not in combination with media queries."},"usage_perc_y":97.62,"usage_perc_a":0.27,"ucprefix":false,"parent":"","keywords":"rems","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"ttf":{"title":"TTF/OTF - TrueType and OpenType font support","description":"Support for the TrueType (.ttf) and OpenType (.otf) outline font formats in @font-face. ","spec":"http://developer.apple.com/fonts/TTRefMan/index.html","status":"other","links":[{"url":"https://stackoverflow.com/questions/17694143/what-is-the-status-of-ttf-support-in-internet-explorer","title":"What is the status of TTF support in Internet Explorer?"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in IE9+ refers to the fonts only working [when set to be \"installable\"](http://blogs.msdn.com/b/ie/archive/2010/07/15/the-css-corner-better-web-typography-for-better-design.aspx). Support for this is tracked [here](https://status.modern.ie/crossdomainfontloading)."},"usage_perc_y":91.74,"usage_perc_a":3.27,"ucprefix":false,"parent":"fontface","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"touch":{"title":"Touch events","description":"Method of registering when, where and how the interface is touched, for devices with a touch screen. These DOM events are similar to mousedown, mousemove, etc.","spec":"https://www.w3.org/TR/touch-events/","status":"rec","links":[{"url":"https://www.quirksmode.org/mobile/tableTouch.html","title":"Detailed support tables"},{"url":"https://www.quirksmode.org/m/tests/drag2.html","title":"Multi-touch demo"},{"url":"http://schepers.cc/getintouch","title":"Information on the spec development"},{"url":"http://msdn.microsoft.com/en-us/library/ie/hh673557(v=vs.85).aspx","title":"Internet Explorer's gesture and touch implementation."},{"url":"https://github.com/CamHenlin/TouchPolyfill","title":"Touch polyfill for supporting touch events on Internet Explorer"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Touch_events","title":"MDN \u2013 Touch events"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"p","11":"p"},"edge":{"12":"n d #3","13":"n d #3","14":"n d #3","15":"n d #3","16":"n d #3","17":"n d #3"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"a #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Internet Explorer implements Pointer Events specification which supports more input devices than Touch Events one.\r\n\r\nThere is a library on GitHub that is working toward bringing W3C touch events to IE 10 and 11: https://github.com/CamHenlin/TouchPolyfill \r\n\r\nRemoved support in Firefox refers to desktop Firefox only.","notes_by_num":{"1":"Can be enabled in Firefox using the dom.w3c_touch_events.enabled flag (disabled by default for site compatibility reasons)","2":"Supported on IE11 Mobile for phones with \"[Windows Phone 8.1 Update](http://blogs.msdn.com/b/ie/archive/2014/07/31/the-mobile-web-should-just-work-for-everyone.aspx)\"","3":"Can be enabled in Edge using the \"Enable touch events\" flag under `about:flags`"},"usage_perc_y":86.37,"usage_perc_a":0.29,"ucprefix":false,"parent":"","keywords":"touchstart,touchend,touchmove,touchenter,touchleave,touchcancel","ie_id":"touchevents","chrome_id":"6156165603917824","firefox_id":"","webkit_id":""},"matchesselector":{"title":"matches() DOM method","description":"Method of testing whether or not a DOM element matches a given selector. Formerly known (and largely supported with prefix) as matchesSelector.","spec":"https://dom.spec.whatwg.org/#dom-element-matches","status":"ls","links":[{"url":"https://developer.mozilla.org/en/docs/Web/API/Element/matches","title":"MDN Web Docs - Element matches"},{"url":"https://www.webplatform.org/docs/dom/HTMLElement/matches","title":"WebPlatform Docs"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6524858-unprefix-and-update-msmatchesselector-to-matches","title":"Microsoft Edge feature request on UserVoice"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a x","10":"a x","11":"a x"},"edge":{"12":"a x","13":"a x","14":"a x","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"a x","4":"a x","5":"a x","6":"a x","7":"a x","8":"a x","9":"a x","10":"a x","11":"a x","12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"a x","21":"a x","22":"a x","23":"a x","24":"a x","25":"a x","26":"a x","27":"a x","28":"a x","29":"a x","30":"a x","31":"a x","32":"a x","33":"a x","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x","5":"a x","6":"a x","7":"a x","8":"a x","9":"a x","10":"a x","11":"a x","12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"a x","21":"a x","22":"a x","23":"a x","24":"a x","25":"a x","26":"a x","27":"a x","28":"a x","29":"a x","30":"a x","31":"a x","32":"a x","33":"a x","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a x","5.1":"a x","6":"a x","6.1":"a x","7":"a x","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"a x","11.6":"a x","12":"a x","12.1":"a x","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"a x","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"a x","4.2-4.3":"a x","5.0-5.1":"a x","6.0-6.1":"a x","7.0-7.1":"a x","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"a x","2.3":"a x","3":"a x","4":"a x","4.1":"a x","4.2-4.3":"a x","4.4":"a x","4.4.3-4.4.4":"a x","62":"y"},"bb":{"7":"a x","10":"a x"},"op_mob":{"10":"n","11":"n","11.1":"a x","11.5":"a x","12":"a x","12.1":"a x","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a x","11":"a x"},"and_uc":{"11.8":"y"},"samsung":{"4":"a x","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Partial support refers to supporting the older specification's \"matchesSelector\" name rather than just \"matches\".","notes_by_num":{},"usage_perc_y":88,"usage_perc_a":6.95,"ucprefix":false,"parent":"","keywords":" matchesSelector","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"pointer-events":{"title":"CSS pointer-events (for HTML)","description":"This CSS property, when set to \"none\" allows elements to not receive hover/click events, instead the event will occur on anything behind it. ","spec":"http://wiki.csswg.org/spec/css4-ui#pointer-events","status":"unoff","links":[{"url":"http://robertnyman.com/2010/03/22/css-pointer-events-to-allow-clicks-on-underlying-elements/","title":"Article & tutorial"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/css.js#css-pointerevents","title":"has.js test"},{"url":"https://github.com/kmewhort/pointer_events_polyfill","title":"Polyfill"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Already part of the SVG specification, and all SVG-supporting browsers appear to support the property on SVG elements.","notes_by_num":{},"usage_perc_y":94.58,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"pointerevents,pointer-events:none","ie_id":"csspointerevents","chrome_id":"","firefox_id":"","webkit_id":""},"blobbuilder":{"title":"Blob constructing","description":"Construct Blobs (binary large objects) either using the BlobBuilder API (deprecated) or the Blob constructor.","spec":"https://www.w3.org/TR/FileAPI/#constructorBlob","status":"wd","links":[{"url":"https://developer.mozilla.org/en/DOM/BlobBuilder","title":"MDN Web Docs - BlobBuilder"},{"url":"https://developer.mozilla.org/en-US/docs/DOM/Blob","title":"MDN Web Docs - Blobs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"a x","7":"a x","8":"a x","9":"a x","10":"a x","11":"a x","12":"a x","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"a x","9":"a x","10":"a x","11":"a x","12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a x","4":"a x","4.1":"a x","4.2-4.3":"a x","4.4":"a x","4.4.3-4.4.4":"a x","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Partial support refers to only supporting the now deprecated BlobBuilder to create blobs.","notes_by_num":{},"usage_perc_y":93.1,"usage_perc_a":1.46,"ucprefix":true,"parent":"fileapi","keywords":"","ie_id":"blob","chrome_id":"5328783104016384","firefox_id":"","webkit_id":""},"filereader":{"title":"FileReader API","description":"Method of reading the contents of a File or Blob object into memory","spec":"https://www.w3.org/TR/FileAPI/#dfn-filereader","status":"wd","links":[{"url":"https://developer.mozilla.org/en/DOM/FileReader","title":"MDN Web Docs - FileReader"},{"url":"https://www.webplatform.org/docs/apis/file/FileReader","title":"WebPlatform Docs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not support `readAsBinaryString`, but `readAsBinaryString` [can be polyfilled](https://stackoverflow.com/q/31391207)"},"usage_perc_y":91.73,"usage_perc_a":2.91,"ucprefix":false,"parent":"fileapi","keywords":"","ie_id":"filereader","chrome_id":"5171003185430528","firefox_id":"","webkit_id":""},"filesystem":{"title":"Filesystem & FileWriter API","description":"Method of reading and writing files to a sandboxed file system.","spec":"https://www.w3.org/TR/file-system-api/","status":"unoff","links":[{"url":"https://www.html5rocks.com/en/tutorials/file/filesystem/","title":"HTML5 Rocks tutorial"},{"url":"https://www.webplatform.org/docs/apis/filesystem","title":"WebPlatform Docs"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=997471","title":"Firefox tracking bug"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"a x","9":"a x","10":"a x","11":"a x","12":"a x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x","62":"y x","63":"y x","64":"y x","65":"y x","66":"y x","67":"y x"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y x"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y x","6.2":"y x"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"The File API: Directories and System specification is no longer being maintained and support may be dropped in future versions.","notes_by_num":{},"usage_perc_y":60.47,"usage_perc_a":0.03,"ucprefix":false,"parent":"","keywords":"filewriter,requestFileSystem","ie_id":"filewriter","chrome_id":"5452478162141184","firefox_id":"","webkit_id":""},"bloburls":{"title":"Blob URLs","description":"Method of creating URL handles to the specified File or Blob object.","spec":"https://www.w3.org/TR/FileAPI/#url","status":"wd","links":[{"url":"https://developer.mozilla.org/en/DOM/window.URL.createObjectURL","title":"MDN Web Docs - createObjectURL"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y x","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y x","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Created blob url can't be used in object or iframe (see [issue](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/5411066/))"},"usage_perc_y":94.48,"usage_perc_a":0,"ucprefix":false,"parent":"fileapi","keywords":"createobjecturl,revokeobjecturl","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"rellist":{"title":"relList (DOMTokenList)","description":"Method of easily manipulating rel attribute values on elements, using the DOMTokenList object (similar to classList).","spec":"https://html.spec.whatwg.org/multipage/semantics.html#dom-a-rellist","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/DOM/DOMTokenList","title":"MDN Web Docs - DOMTokenList"},{"url":"https://github.com/jwilsson/domtokenlist","title":"domtokenlist polyfill"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"a #1","64":"a #1","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #1"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"n","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Chrome and Chromium based browsers support relList on link elements, but not anchor elements"},"usage_perc_y":17.78,"usage_perc_a":67,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"typedarrays":{"title":"Typed Arrays","description":"JavaScript typed arrays provide a mechanism for accessing raw binary data much more efficiently. Includes: `Int8Array`, `Uint8Array`, `Uint8ClampedArray`, `Int16Array`, `Uint16Array`, `Int32Array`, `Uint32Array`, `Float32Array` & `Float64Array`\r\n","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-typedarray-objects","status":"other","links":[{"url":"https://developer.mozilla.org/en/javascript_typed_arrays","title":"MDN Web Docs - Typed arrays"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"a #2","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"a #2","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Includes support for ArrayBuffer objects.","notes_by_num":{"1":"IE10 (and IE 10&11 mobile) does not support `Uint8ClampedArray`"},"usage_perc_y":97.21,"usage_perc_a":0.48,"ucprefix":false,"parent":"","keywords":"ES6,JavaScript,dataview,arraybuffer","ie_id":"typedarrayses6","chrome_id":"5135818813341696","firefox_id":"","webkit_id":""},"deviceorientation":{"title":"DeviceOrientation & DeviceMotion events","description":"API for detecting orientation and motion events from the device running the browser.","spec":"https://www.w3.org/TR/orientation-event/","status":"cr","links":[{"url":"https://www.html5rocks.com/en/tutorials/device/orientation/","title":"HTML5 Rocks tutorial"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/features.js#native-orientation","title":"has.js test"},{"url":"http://html5labs.interoperabilitybridges.com/prototypes/device-orientation-events/device-orientation-events/info","title":"DeviceOrientation implementation prototype for IE10"},{"url":"http://aurelio.audero.it/demo/device-orientation-api-demo.html","title":"Demo"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"p","4":"p","5":"p","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a"},"chrome":{"4":"n","5":"n","6":"n","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a","62":"a","63":"a","64":"a","65":"a","66":"a","67":"a"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"a","10.3":"a","11.0-11.2":"a","11.3":"a"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"a","4.4.3-4.4.4":"a","62":"a"},"bb":{"7":"n","10":"a"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y","12.1":"y","37":"a"},"and_chr":{"64":"a"},"and_ff":{"57":"a"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"a"},"samsung":{"4":"a","5":"a","6.2":"a"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"a"}},"notes":"Partial support refers to the lack of compassneedscalibration event. Partial support also refers to the lack of devicemotion event support for Chrome 30- and Opera. Opera Mobile 14 lost the ondevicemotion event support. Firefox 3.6, 4 and 5 support the non-standard [MozOrientation](https://developer.mozilla.org/en/DOM/MozOrientation) event.","notes_by_num":{"1":"`compassneedscalibration` supported in IE11 only for compatible devices with Windows 8.1+."},"usage_perc_y":2.03,"usage_perc_a":89.93,"ucprefix":false,"parent":"","keywords":"ondeviceorientation,ondevicemotion","ie_id":"deviceorientation,devicemotion","chrome_id":"5874690627207168,5556931766779904","firefox_id":"device-orientation","webkit_id":"specification-deviceorientation-events"},"script-defer":{"title":"defer attribute for external scripts","description":"The boolean defer attribute on script elements allows the external JavaScript file to run when the DOM is loaded, without delaying page load first.","spec":"https://html.spec.whatwg.org/multipage/scripting.html#attr-script-defer","status":"ls","links":[{"url":"https://developer.mozilla.org/en/HTML/Element/script#Attributes","title":"MDN Web Docs - Script Attributes"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/script.js#script-defer","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/attributes/defer","title":"WebPlatform Docs"},{"url":"http://www.growingwiththeweb.com/2014/02/async-vs-defer-attributes.html","title":"async vs defer attributes"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y #2","3.6":"y #2","4":"y #2","5":"y #2","6":"y #2","7":"y #2","8":"y #2","9":"y #2","10":"y #2","11":"y #2","12":"y #2","13":"y #2","14":"y #2","15":"y #2","16":"y #2","17":"y #2","18":"y #2","19":"y #2","20":"y #2","21":"y #2","22":"y #2","23":"y #2","24":"y #2","25":"y #2","26":"y #2","27":"y #2","28":"y #2","29":"y #2","30":"y #2","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in older IE refers to a buggy implementation (see issue).","2":"Deferred scripts may run after DOMContentLoaded - https://bugzilla.mozilla.org/show_bug.cgi?id=688580"},"usage_perc_y":94.7,"usage_perc_a":0.37,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"nav-timing":{"title":"Navigation Timing API","description":"API for accessing timing information related to navigation and elements.","spec":"https://www.w3.org/TR/navigation-timing/","status":"rec","links":[{"url":"https://developer.mozilla.org/en/API/navigationTiming","title":"MDN Web Docs - Navigation Timing"},{"url":"https://www.html5rocks.com/en/tutorials/webperformance/basics/","title":"HTML5 Rocks tutorial"},{"url":"https://www.webplatform.org/docs/apis/navigation_timing","title":"WebPlatform Docs"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Removed in iOS 8.1 due to poor performance.","notes_by_num":{},"usage_perc_y":94.43,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"performance,performance.timing,performancenavigation","ie_id":"navigationtimingapi","chrome_id":"5584144679567360","firefox_id":"","webkit_id":"specification-navigation-timing-level-1"},"audio-api":{"title":"Web Audio API","description":"High-level JavaScript API for processing and synthesizing audio","spec":"https://www.w3.org/TR/webaudio/","status":"wd","links":[{"url":"https://github.com/corbanbrook/audionode.js","title":"Polyfill to support Web Audio API in Firefox"},{"url":"https://www.webplatform.org/docs/apis/webaudio","title":"WebPlatform Docs"},{"url":"http://www.doboism.com/projects/webaudio-compatibility/","title":"Additional browser compatibility tests for specific features"},{"url":"https://github.com/g200kg/WAAPISim","title":"Polyfill to enable Web Audio API through Firefox Audio Data api or flash"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API","title":"MDN Web Docs - Web Audio API"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Not all browsers with support for the Audio API also support media streams (e.g. microphone input). See the [getUserMedia/Streams API](/#feat=stream) data for support for that feature.\r\n\r\nFirefox versions < 25 support an alternative, deprecated audio API.\r\n\r\nChrome support [went through some changes](http://updates.html5rocks.com/2014/07/Web-Audio-Changes-in-m36) as of version 36.","notes_by_num":{},"usage_perc_y":89.84,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web-audio,webaudio,AudioContext,AudioBuffer,AudioNode","ie_id":"webaudioapi","chrome_id":"6261718720184320","firefox_id":"webaudio","webkit_id":"feature-web-audio"},"css-regions":{"title":"CSS Regions","description":"Method of flowing content into multiple elements.","spec":"https://www.w3.org/TR/css3-regions/","status":"wd","links":[{"url":"http://html.adobe.com/webstandards/cssregions/","title":"Adobe demos and samples"},{"url":"http://msdn.microsoft.com/en-us/ie/hh272902#_CSSConnected","title":"IE10 developer guide info"},{"url":"https://www.webplatform.org/docs/css/atrules/@region","title":"WebPlatform Docs"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=674802","title":"Firefox feature request bug"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #1 #2","11":"a x #1 #2"},"edge":{"12":"a x #1 #2","13":"a x #1 #2","14":"a x #1 #2","15":"a x #1 #2","16":"a x #1 #2","17":"a x #1 #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"a x","16":"a x","17":"a x","18":"a x","19":"n d","20":"n d","21":"n d","22":"n d","23":"n d","24":"n d","25":"n d","26":"n d","27":"n d","28":"n d","29":"n d","30":"n d","31":"n d","32":"n d","33":"n d","34":"n d","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"a x #1 #2","11":"a x #1 #2"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Support is limited to using an iframe as a content source with the `-ms-flow-into: flow_name;` and `-ms-flow-from: flow_name;` syntax.","2":"Partial support refers to not supporting the `region-fragment` property."},"usage_perc_y":12.52,"usage_perc_a":5,"ucprefix":false,"parent":"","keywords":"","ie_id":"regions","chrome_id":"5655612935372800","firefox_id":"","webkit_id":""},"spellcheck-attribute":{"title":"Spellcheck attribute","description":"Attribute for `input`/`textarea` fields to enable/disable the browser's spellchecker.","spec":"https://html.spec.whatwg.org/multipage/interaction.html#spelling-and-grammar-checking","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Controlling_spell_checking_in_HTML_formsControlling_spell_checking_in_HTML_forms","title":"MDN Web Docs - Controlling spell checking"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"a","10.3":"a","11.0-11.2":"a","11.3":"a"},"op_mini":{"all":"a"},"android":{"2.1":"a","2.2":"a","2.3":"a","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"a","4.4.3-4.4.4":"a","62":"a"},"bb":{"7":"a","10":"y"},"op_mob":{"10":"a","11":"a","11.1":"a","11.5":"a","12":"a","12.1":"a","37":"a"},"and_chr":{"64":"a"},"and_ff":{"57":"a"},"ie_mob":{"10":"a","11":"a"},"and_uc":{"11.8":"a"},"samsung":{"4":"a","5":"a","6.2":"a"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"a"}},"notes":"The partial support in mobile browsers results from their OS generally having built-in spell checking instead of using the wavy underline to indicate misspelled words. `spellcheck=\"false\"` does not seem to have any effect in these browsers.\r\n\r\nBrowsers have different behavior in how they deal with spellchecking in combination with the the `lang` attribute. Generally spelling is based on the browser's language, not the language of the document.","notes_by_num":{},"usage_perc_y":41.74,"usage_perc_a":56.05,"ucprefix":false,"parent":"","keywords":"spelling","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"fullscreen":{"title":"Full Screen API","description":"API for allowing content (like a video or canvas element) to take up the entire screen.","spec":"https://fullscreen.spec.whatwg.org/","status":"ls","links":[{"url":"https://developer.mozilla.org/en/DOM/Using_full-screen_mode","title":"MDN Web Docs - Using Full Screen"},{"url":"http://jlongster.com/2011/11/21/canvas.html","title":"Blog post"},{"url":"https://hacks.mozilla.org/2012/01/using-the-fullscreen-api-in-web-browsers/","title":"Mozilla hacks article"},{"url":"https://www.webplatform.org/docs/dom/Element/requestFullscreen","title":"WebPlatform Docs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a x #3"},"edge":{"12":"a #3","13":"a #3","14":"a #3","15":"a #3","16":"a #3","17":"a #3"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #1 #3","11":"a x #1 #3","12":"a x #1 #3","13":"a x #1 #3","14":"a x #1 #3","15":"a x #1 #3","16":"a x #1 #3","17":"a x #1 #3","18":"a x #1 #3","19":"a x #1 #3","20":"a x #1 #3","21":"a x #1 #3","22":"a x #1 #3","23":"a x #1 #3","24":"a x #1 #3","25":"a x #1 #3","26":"a x #1 #3","27":"a x #1 #3","28":"a x #1 #3","29":"a x #1 #3","30":"a x #1 #3","31":"a x #1 #3","32":"a x #1 #3","33":"a x #1 #3","34":"a x #1 #3","35":"a x #1 #3","36":"a x #1 #3","37":"a x #1 #3","38":"a x #1 #3","39":"a x #1 #3","40":"a x #1 #3","41":"a x #1 #3","42":"a x #1 #3","43":"a x #1 #3","44":"a x #1 #3","45":"a x #1 #3","46":"a x #1 #3","47":"a x #1 #3 #4","48":"a x #1 #3 #4","49":"a x #1 #3 #4","50":"a x #1 #3 #4","51":"a x #1 #3 #4","52":"a x #1 #3 #4","53":"a x #1 #3 #4","54":"a x #1 #3 #4","55":"a x #1 #3 #4","56":"a x #1 #3 #4","57":"a x #1 #3 #4","58":"a x #1 #3 #4","59":"a x #1 #3 #4","60":"a x #1 #3 #4","61":"a x #1 #3 #4"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"a x #1 #3","16":"a x #1 #3","17":"a x #1 #3","18":"a x #1 #3","19":"a x #1 #3","20":"a x #2 #3","21":"a x #2 #3","22":"a x #2 #3","23":"a x #2 #3","24":"a x #2 #3","25":"a x #2 #3","26":"a x #2 #3","27":"a x #2 #3","28":"a x #2 #3","29":"a x #2 #3","30":"a x #2 #3","31":"a x #2 #3","32":"a x #2 #3","33":"a x #2 #3","34":"a x #2 #3","35":"a x #2 #3","36":"a x #2 #3","37":"a x #2 #3","38":"a x #2 #3","39":"a x #2 #3","40":"a x #2 #3","41":"a x #2 #3","42":"a x #2 #3","43":"a x #2 #3","44":"a x #2 #3","45":"a x #2 #3","46":"a x #2 #3","47":"a x #2 #3","48":"a x #2 #3","49":"a x #2 #3","50":"a x #2 #3","51":"a x #2 #3","52":"a x #2 #3","53":"a x #2 #3","54":"a x #2 #3","55":"a x #2 #3","56":"a x #2 #3","57":"a x #2 #3","58":"a x #2 #3","59":"a x #2 #3","60":"a x #2 #3","61":"a x #2 #3","62":"a x #2 #3","63":"a x #2 #3","64":"a x #2 #3","65":"a x #2 #3","66":"a x #2 #3","67":"a x #2 #3"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"a x #1 #3","6":"a x #2 #3","6.1":"a x #2 #3","7":"a x #2 #3","7.1":"a x #2 #3","8":"a x #2 #3","9":"a x #2 #3","9.1":"a x #2 #3","10":"a x #2 #3","10.1":"a x #2 #3","11":"a x #2 #3","11.1":"a x #2 #3","TP":"a x #2 #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"a x #2 #3","16":"a x #2 #3","17":"a x #2 #3","18":"a x #2 #3","19":"a x #2 #3","20":"a x #2 #3","21":"a x #2 #3","22":"a x #2 #3","23":"a x #2 #3","24":"a x #2 #3","25":"a x #2 #3","26":"a x #2 #3","27":"a x #2 #3","28":"a x #2 #3","29":"a x #2 #3","30":"a x #2 #3","31":"a x #2 #3","32":"a x #2 #3","33":"a x #2 #3","34":"a x #2 #3","35":"a x #2 #3","36":"a x #2 #3","37":"a x #2 #3","38":"a x #2 #3","39":"a x #2 #3","40":"a x #2 #3","41":"a x #2 #3","42":"a x #2 #3","43":"a x #2 #3","44":"a x #2 #3","45":"a x #2 #3","46":"a x #2 #3","47":"a x #2 #3","48":"a x #2 #3","49":"a x #2 #3","50":"a x #2 #3","51":"a x #2 #3","52":"a x #2 #3"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"a x #2"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x #2 #3"},"and_chr":{"64":"a x #2 #3"},"and_ff":{"57":"a x #1 #3 #4"},"ie_mob":{"10":"n","11":"a x #3"},"and_uc":{"11.8":"a x #2 #3"},"samsung":{"4":"a x #2 #3","5":"a x #2 #3","6.2":"a x #2 #3"},"and_qq":{"1.2":"a x #2 #3"},"baidu":{"7.12":"a x #2 #3"}},"notes":"","notes_by_num":{"1":"Partial support refers to supporting an earlier draft of the spec.","2":"Partial support refers to not supporting `::backdrop`, and supporting the old `:full-screen` syntax rather than the standard `:fullscreen`.","3":"Partial support refers to not returning a Promise, as specified in the latest version of the spec.","4":"Unprefixed support is available behind the `full-screen-api.unprefix.enabled` flag"},"usage_perc_y":0.06,"usage_perc_a":82.91,"ucprefix":false,"parent":"","keywords":"full-screen,requestFullScreen,exitFullScreen","ie_id":"fullscreenapi","chrome_id":"5259513871466496","firefox_id":"fullscreen","webkit_id":""},"css-exclusions":{"title":"CSS Exclusions Level 1","description":"Exclusions defines how inline content flows around elements. It extends the content wrapping ability of floats to any block-level element.","spec":"https://www.w3.org/TR/css3-exclusions/","status":"wd","links":[{"url":"https://msdn.microsoft.com/en-us/library/ie/hh673558(v=vs.85).aspx","title":"CSS Exclusions"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=674804","title":"Firefox tracking bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=57311","title":"WebKit tracking bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x","11":"y x"},"edge":{"12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"y x","11":"y x"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":4.98,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"floats,exclusions,wrap-flow,wrap-through","ie_id":"exclusions","chrome_id":"6296903092273152","firefox_id":"","webkit_id":""},"requestanimationframe":{"title":"requestAnimationFrame","description":"API allowing a more efficient way of running script-based animation, compared to traditional methods using timeouts. Also covers support for `cancelAnimationFrame`","spec":"https://html.spec.whatwg.org/multipage/webappapis.html#animation-frames","status":"ls","links":[{"url":"http://paulirish.com/2011/requestanimationframe-for-smart-animating/","title":"Blog post"},{"url":"https://hacks.mozilla.org/2011/08/animating-with-javascript-from-setinterval-to-requestanimationframe/","title":"Mozilla Hacks article"},{"url":"https://www.webplatform.org/docs/dom/Window/requestAnimationFrame","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame","title":"MDN Web Docs - requestAnimationFrame"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #1 #2","11":"a x #1 #2","12":"a x #1 #2","13":"a x #1 #2","14":"a x #1 #2","15":"a x #1 #2","16":"a x #1 #2","17":"a x #1 #2","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"y x","23":"y x","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y x","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y x","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to lacking `cancelAnimationFrame` support.","2":"Supports `webkitCancelRequestAnimationFrame` rather than `webkitCancelAnimationFrame."},"usage_perc_y":94.08,"usage_perc_a":0.13,"ucprefix":false,"parent":"","keywords":"","ie_id":"requestanimationframe","chrome_id":"5233400470306816","firefox_id":"","webkit_id":""},"input-range":{"title":"Range input type","description":"Form field type that allows the user to select a value using a slider widget.","spec":"https://html.spec.whatwg.org/multipage/forms.html#range-state-(type=range)","status":"ls","links":[{"url":"https://github.com/fryn/html5slider","title":"Polyfill for Firefox"},{"url":"https://github.com/freqdec/fd-slider","title":"Cross-browser polyfill"},{"url":"http://tutorialzine.com/2011/12/what-you-need-to-know-html5-range-input/","title":"Tutorial"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/form.js#input-type-range","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/elements/input/type/range","title":"WebPlatform Docs"},{"url":"https://github.com/andreruffert/rangeslider.js","title":"rangeslider.js polyfill"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/range","title":"MDN web docs"},{"url":"https://tutorialzine.com/2011/12/what-you-need-to-know-html5-range-input","title":"Tutorial"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a","2.2":"a","2.3":"a","3":"a","4":"a","4.1":"a","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Currently all Android browsers with partial support hide the slider input field by default. However, the element [can be styled](http://tiffanybbrown.com/2012/02/07/input-typerange-and-androids-stock-browser/) to be made visible and usable.","notes_by_num":{},"usage_perc_y":94.65,"usage_perc_a":0.07,"ucprefix":false,"parent":"forms","keywords":"input type=\"range\"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"matchmedia":{"title":"matchMedia","description":"API for finding out whether or not a media query applies to the document.","spec":"https://www.w3.org/TR/cssom-view/#dom-window-matchmedia","status":"wd","links":[{"url":"https://github.com/paulirish/matchMedia.js/","title":"matchMedia.js polyfill"},{"url":"https://developer.mozilla.org/en/DOM/window.matchMedia","title":"MDN Web Docs - matchMedia"},{"url":"https://developer.mozilla.org/en/CSS/Using_media_queries_from_code","title":"MDN Web Docs - Using matchMedia"},{"url":"https://www.webplatform.org/docs/css/media_queries/apis/matchMedia","title":"WebPlatform Docs"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.62,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"mediaquerylist","ie_id":"matchmedia","chrome_id":"4677872220372992","firefox_id":"","webkit_id":""},"input-datetime":{"title":"Date and time input types","description":"Form field widgets to easily allow users to enter a date, time or both, generally by using a calendar/time input widget. Refers to supporting the following input types: `date`, `time`, `datetime-local`, `month` & `week`.","spec":"https://html.spec.whatwg.org/multipage/forms.html#date-state-(type=date)","status":"ls","links":[{"url":"https://code.tutsplus.com/tutorials/quick-tip-create-cross-browser-datepickers-in-minutes--net-20236","title":"Datepicker tutorial w/polyfill"},{"url":"https://github.com/zoltan-dulac/html5Forms.js","title":"Polyfill for HTML5 forms"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/form.js#input-type-datetime-local","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/elements/input/type/date","title":"WebPlatform Docs"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=888320","title":"Bug on Firefox support"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"a #1","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n d #4","54":"n d #4","55":"n d #4","56":"n d #4","57":"a #5","58":"a #5","59":"a #5","60":"a #5","61":"a #5"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"a #5","21":"a #5","22":"a #5","23":"a #5","24":"a #5","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a #2","6.0-6.1":"a #2","7.0-7.1":"a #2","8":"a #2","8.1-8.4":"a #2","9.0-9.2":"a #2","9.3":"a #2","10.0-10.2":"a #2","10.3":"a #2","11.0-11.2":"a #2","11.3":"a #2"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n #3","4.1":"n #3","4.2-4.3":"n #3","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"There used to also be a `datetime` type, but it was [dropped from the HTML spec](https://github.com/whatwg/html/issues/336).","notes_by_num":{"1":"Partial support in Microsoft Edge refers to supporting `date`, `week`, and `month` input types, and not `time` and `datetime-local`.","2":"Partial support in iOS Safari refers to not supporting the `week` input type, nor the `min`, `max` or `step` attributes","3":"Some modified versions of the Android 4.x browser do have support for date/time fields.","4":"Can be enabled in Firefox using the `dom.forms.datetime` flag.","5":"Partial support refers to supporting `date` and `time` input types, but not `datetime-local`, `month` or `week`."},"usage_perc_y":73.38,"usage_perc_a":13.9,"ucprefix":false,"parent":"forms","keywords":"datepicker,timepicker,input type=\"date\",input type=\"time\",input date,datetime-local","ie_id":"daterelatedinputtypes,timerelatedinputtypes","chrome_id":"6640933999214592","firefox_id":"","webkit_id":""},"document-execcommand":{"title":"Document.execCommand()","description":"Allows running commands to manipulate the contents of an editable region in a document switched to designMode","spec":"https://w3c.github.io/editing/execCommand.html#execcommand()","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Document/execCommand","title":"MDN Web Docs - execCommand"},{"url":"https://codepen.io/netsi1964/pen/QbLLGW","title":"execCommand and queryCommandSupported demo"}],"categories":["JS API"],"stats":{"ie":{"5.5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"u","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"n"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"To determine what commands are supported, see `Document.queryCommandSupported()`","notes_by_num":{},"usage_perc_y":86.43,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"document,text,editor,commands,designMode","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"input-color":{"title":"Color input type","description":"Form field allowing the user to select a color.","spec":"https://html.spec.whatwg.org/multipage/forms.html#color-state-(type=color)","status":"ls","links":[{"url":"http://www.html5tutorial.info/html5-color.php","title":"Tutorial"},{"url":"https://github.com/jonstipe/color-polyfill","title":"Polyfill"},{"url":"https://www.webplatform.org/docs/html/elements/input/type/color","title":"WebPlatform Docs"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514216--input-type-color","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/color","title":"MDN web docs"},{"url":"https://www.html5tutorial.info/html5-color.php","title":"Tutorial"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"n","16":"n","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":79.84,"usage_perc_a":0,"ucprefix":false,"parent":"forms","keywords":"colour,input type=\"color\"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"input-number":{"title":"Number input type","description":"Form field type for numbers.","spec":"https://html.spec.whatwg.org/multipage/forms.html#number-state-(type=number)","status":"ls","links":[{"url":"http://www.html5tutorial.info/html5-number.php","title":"Tutorial"},{"url":"https://github.com/jonstipe/number-polyfill","title":"Polyfill"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/form.js#input-type-number","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/elements/input/type/number","title":"WebPlatform Docs"},{"url":"https://www.slightfuture.com/webdev/html5-input-number-localization","title":"Poor browser support for localized decimal marks, commas"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y #1","11":"y #1"},"edge":{"12":"y #1","13":"y #1","14":"y #4","15":"y #4","16":"y #4","17":"y #4"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y #3","30":"y #3","31":"y #3","32":"y #3","33":"y #3","34":"y #3","35":"y #3","36":"y #3","37":"y #3","38":"y #3","39":"y #3","40":"y #3","41":"y #3","42":"y #3","43":"y #3","44":"y #3","45":"y #3","46":"y #3","47":"y #3","48":"y #3","49":"y #3","50":"y #3","51":"y #3","52":"y #3","53":"y #3","54":"y #3","55":"y #3","56":"y #3","57":"y #3","58":"y #3","59":"y #3","60":"y #3","61":"y #3"},"chrome":{"4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1 #2","4.0-4.1":"a #1 #2","4.2-4.3":"a #1 #2","5.0-5.1":"a #1 #2","6.0-6.1":"a #1 #2","7.0-7.1":"a #1 #2","8":"a #1 #2","8.1-8.4":"a #1 #2","9.0-9.2":"a #1 #2","9.3":"a #1 #2","10.0-10.2":"a #1 #2","10.3":"a #1 #2","11.0-11.2":"a #1 #2","11.3":"a #1 #2"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"a #1 #2","4.1":"a #1 #2","4.2-4.3":"a #1 #2","4.4":"a #1 #2","4.4.3-4.4.4":"a #1 #2","62":"a #1 #2"},"bb":{"7":"n","10":"a #1 #2"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"a #1 #2"},"and_chr":{"64":"a #1 #2"},"and_ff":{"57":"y #1 #3"},"ie_mob":{"10":"a #1 #2","11":"a #1 #2"},"and_uc":{"11.8":"a #1 #2"},"samsung":{"4":"a #1 #2","5":"a #1 #2","6.2":"a #1 #2"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"a #1 #2"}},"notes":"","notes_by_num":{"1":"UI widget does not include increment/decrement buttons.","2":"UI widget does not take the \"step\", \"min\" or \"max\" attributes into account.","3":"Firefox doesn't support [autocomplete content via datalist](https://codepen.io/graste/pen/bNoVKW) elements.","4":"Does not include increment/decrement buttons, but does supports increment/decrement via arrow up & down keys."},"usage_perc_y":42,"usage_perc_a":52.67,"ucprefix":false,"parent":"forms","keywords":"spinner,input type=\"number\"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"getboundingclientrect":{"title":"Element.getBoundingClientRect()","description":"Method to get the size and position of an element's bounding box, relative to the viewport.","spec":"https://www.w3.org/TR/cssom-view/#dom-element-getboundingclientrect","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Element/getBoundingClientRect","title":"MDN Web Docs - getBoundingClientRect"},{"url":"https://msdn.microsoft.com/en-us/library/ms536433(VS.85).aspx","title":"Microsoft Developer Network"}],"categories":["JS API"],"stats":{"ie":{"5.5":"a #1 #3","6":"a #1 #3","7":"a #1 #3","8":"a #1 #3","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"a #1 #4","3.5":"a #2 #4","3.6":"a #2 #3 #4","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a #1","10.5":"a #1","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a #1","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"The returned object lacks `width` and `height` properties.","2":"Returns incorrect values for elements which have had CSS `transform`s applied to them.","3":"The returned object cannot have new properties added to it; it's not extensible.","4":"Existing properties of the returned object are immutable."},"usage_perc_y":97.85,"usage_perc_a":0.36,"ucprefix":false,"parent":"","keywords":"getBoundingClientRect,bounding,client,rect,DOMRect,box,cssom","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"iframe-sandbox":{"title":"sandbox attribute for iframes","description":"Method of running external site pages with reduced privileges (e.g. no JavaScript) in iframes.","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#attr-iframe-sandbox","status":"ls","links":[{"url":"https://blog.chromium.org/2010/05/security-in-depth-html5s-sandbox.html","title":"Chromium blog article"},{"url":"https://msdn.microsoft.com/en-us/hh563496","title":"MSDN article"},{"url":"https://www.webplatform.org/docs/html/attributes/sandbox","title":"WebPlatform Docs"}],"categories":["HTML5","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":94.57,"usage_perc_a":0.06,"ucprefix":false,"parent":"","keywords":"","ie_id":"iframesandboxattribute","chrome_id":"5715536319086592","firefox_id":"","webkit_id":""},"css-counters":{"title":"CSS Counters","description":"Method of controlling number values in generated content, using the `counter-reset` and `counter-increment` properties.","spec":"https://www.w3.org/TR/CSS21/generate.html#counters","status":"rec","links":[{"url":"http://onwebdev.blogspot.com/2012/02/css-counters-tutorial.html","title":"Tutorial and information"},{"url":"https://developer.mozilla.org/en/CSS_Counters","title":"MDN Web Docs - CSS Counters"},{"url":"https://www.webplatform.org/docs/css/properties/counter-reset","title":"WebPlatform Docs"}],"categories":["CSS2"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":98.2,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-resize":{"title":"CSS resize property","description":"Method of allowing an element to be resized by the user, with options to limit to a given direction. ","spec":"https://www.w3.org/TR/css3-ui/#resize","status":"cr","links":[{"url":"https://css-tricks.com/almanac/properties/r/resize/","title":"CSS Tricks info"},{"url":"https://davidwalsh.name/textarea-resize","title":"On textarea resizing"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6513977-css-resize-property","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y x","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Presto-based Opera 12.10+ currently only supports the resize property for textarea elements."},"usage_perc_y":77.11,"usage_perc_a":0.06,"ucprefix":false,"parent":"","keywords":"horizontal,vertical","ie_id":"cssresize","chrome_id":"","firefox_id":"","webkit_id":""},"input-placeholder":{"title":"input placeholder attribute","description":"Method of setting placeholder text for text-like input fields, to suggest the expected inserted information.","spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-input-placeholder","status":"ls","links":[{"url":"http://www.zachleat.com/web/placeholder/","title":"Article on usage"},{"url":"https://github.com/mathiasbynens/jquery-placeholder","title":"Polyfill"},{"url":"https://raw.github.com/phiggins42/has.js/master/detect/form.js#input-attr-placeholder","title":"has.js test"},{"url":"https://www.webplatform.org/docs/html/attributes/placeholder","title":"WebPlatform Docs"},{"url":"https://code.google.com/p/android/issues/detail?id=24626","title":"Issue 24626: Placeholder text for an input type="}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #1","3.2":"a #1","4":"a #1","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"a #1","11.1":"a #1","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"a","4.1":"a","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to lacking placeholder support on textarea elements."},"usage_perc_y":97.68,"usage_perc_a":0.11,"ucprefix":false,"parent":"forms","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"spdy":{"title":"SPDY protocol","description":"Networking protocol for low-latency transport of content over the web. Superseded by HTTP version 2.","spec":"http://http2.github.io/http2-spec/index.html","status":"unoff","links":[{"url":"https://en.wikipedia.org/wiki/HTTP/2","title":"Wikipedia"},{"url":"http://dev.chromium.org/spdy/spdy-whitepaper","title":"SPDY whitepaper"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"n","41":"n","42":"y","43":"n","44":"y","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"u"}},"notes":"See also support for [HTTP2](https://caniuse.com/#feat=http2), successor of SPDY.\r\n\r\nChrome will be removing support in 2016 (in favor of HTTP2), other browsers likely to follow.","notes_by_num":{},"usage_perc_y":20.5,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"http2","chrome_id":"5152586365665280","firefox_id":"","webkit_id":""},"css-repeating-gradients":{"title":"CSS Repeating Gradients","description":"Method of defining a repeating linear or radial color gradient as a CSS image.","spec":"https://www.w3.org/TR/css3-images/#repeating-gradients","status":"cr","links":[{"url":"https://developer.mozilla.org/en/CSS/repeating-linear-gradient","title":"MDN Web Docs - CSS repeating linear gradient"},{"url":"https://www.webplatform.org/docs/css/repeating-linear-gradient","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y x","6":"y x","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"a x","11.5":"a x","11.6":"y x","12":"y x","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"a x","11.5":"a x","12":"y x","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Firefox 10+, Chrome 26+ and Opera 11.6+ also support the new \"to (side)\" syntax.","notes_by_num":{},"usage_perc_y":94.72,"usage_perc_a":0.01,"ucprefix":false,"parent":"css-gradients","keywords":"repeating-linear-gradient,repeating-radial-gradient","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-filters":{"title":"CSS Filter Effects","description":"Method of applying filter effects (like blur, grayscale, brightness, contrast and hue) to elements, previously only possible by using SVG.","spec":"https://www.w3.org/TR/filter-effects-1/","status":"wd","links":[{"url":"http://html5-demos.appspot.com/static/css/filters/index.html","title":"Demo file for WebKit browsers"},{"url":"https://www.html5rocks.com/en/tutorials/filters/understanding-css/","title":"HTML5Rocks article"},{"url":"http://dl.dropbox.com/u/3260327/angular/CSS3ImageManipulation.html","title":"Filter editor"},{"url":"http://bennettfeely.com/filters/","title":"Filter Playground"}],"categories":["CSS","CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n d #2 #4","13":"a #4","14":"a #4","15":"a #4","16":"a #4","17":"a #4"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"a #3","4":"a #3","5":"a #3","6":"a #3","7":"a #3","8":"a #3","9":"a #3","10":"a #3","11":"a #3","12":"a #3","13":"a #3","14":"a #3","15":"a #3","16":"a #3","17":"a #3","18":"a #3","19":"a #3","20":"a #3","21":"a #3","22":"a #3","23":"a #3","24":"a #3","25":"a #3","26":"a #3","27":"a #3","28":"a #3","29":"a #3","30":"a #3","31":"a #3","32":"a #3","33":"a #3","34":"a d #1","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"n","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y x"}},"notes":"Note that this property is significantly different from and incompatible with Microsoft's [older \"filter\" property](http://msdn.microsoft.com/en-us/library/ie/ms530752%28v=vs.85%29.aspx).","notes_by_num":{"1":"Supported in Firefox under the `layout.css.filters.enabled` flag.","2":"Supported in MS Edge under the \"Enable CSS filter property\" flag.","3":"Partial support in Firefox before version 34 [only implemented the url() function of the filter property](https://developer.mozilla.org/en-US/docs/Web/CSS/filter#Browser_compatibility)","4":"Partial support refers to supporting filter functions, but not the `url` function."},"usage_perc_y":89,"usage_perc_a":2.02,"ucprefix":false,"parent":"","keywords":"sepia,hue-rotate,invert,saturate,filter:blur","ie_id":"filters","chrome_id":"5822463824887808","firefox_id":"","webkit_id":""},"getcomputedstyle":{"title":"getComputedStyle","description":"API to get the current computed CSS styles applied to an element. This may be the current value applied by an animation or as set by a stylesheet.","spec":"https://www.w3.org/TR/cssom/#dom-window-getcomputedstyle","status":"rec","links":[{"url":"https://developer.mozilla.org/en/DOM/window.getComputedStyle","title":"MDN Web Docs - getComputedStyle"},{"url":"https://testdrive-archive.azurewebsites.net/HTML5/getComputedStyle/","title":"Demo"},{"url":"http://snipplr.com/view/13523/","title":"Polyfill for IE"},{"url":"https://www.webplatform.org/docs/css/cssom/methods/getComputedStyle","title":"WebPlatform Docs"}],"categories":["CSS3","DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"a #1","3.5":"a #1","3.6":"a #1","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #2","3.2":"a #2","4":"a #2","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a #2","9.5-9.6":"a #2","10.0-10.1":"a #2","10.5":"a #2","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #2","4.0-4.1":"a #2","4.2-4.3":"a #2","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #2"},"android":{"2.1":"a #2","2.2":"a #2","2.3":"a #2","3":"a #2","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #2","10":"y"},"op_mob":{"10":"a #2","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to requiring the second parameter to be included.","2":"Partial support refers to not supporting getComputedStyle on pseudo-elements."},"usage_perc_y":94.86,"usage_perc_a":3.13,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"mp3":{"title":"MP3 audio format","description":"Popular lossy audio compression format","spec":"http://mpgedit.org/mpgedit/mpeg_format/MP3Format.html","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/MP3","title":"Wikipedia"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support refers to this format's use in the `audio` element, not other conditions.","notes_by_num":{"1":"Partial support in older Firefox refers to being limited to certain operating systems."},"usage_perc_y":94.73,"usage_perc_a":0.15,"ucprefix":false,"parent":"audio","keywords":"mpeg","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"word-break":{"title":"CSS3 word-break","description":"Property to prevent or allow words to be broken over multiple lines between letters.","spec":"https://www.w3.org/TR/css3-text/#word-break","status":"wd","links":[{"url":"https://developer.mozilla.org/en/CSS/word-break","title":"MDN Web Docs - CSS word-break"},{"url":"https://www.webplatform.org/docs/css/properties/word-break","title":"WebPlatform Docs"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a","3.2":"a","4":"a","5":"a","5.1":"a","6":"a","6.1":"a","7":"a","7.1":"a","8":"a","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a","2.2":"a","2.3":"a","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"a","4.4.3-4.4.4":"a","62":"y"},"bb":{"7":"a","10":"a"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"a"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"y"}},"notes":"Partial support refers to supporting the `break-all` value, but not the `keep-all` value.\r\n\r\nChrome, Safari and other WebKit/Blink browsers also support the unofficial `break-word` value which is treated like `word-wrap: break-word`.","notes_by_num":{},"usage_perc_y":83.94,"usage_perc_a":11.08,"ucprefix":false,"parent":"","keywords":"break-all,keep-all","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"viewport-units":{"title":"Viewport units: vw, vh, vmin, vmax","description":"Length units representing a percentage of the current viewport dimensions: width (vw), height (vh), the smaller of the two (vmin), or the larger of the two (vmax).","spec":"https://www.w3.org/TR/css3-values/#viewport-relative-lengths","status":"cr","links":[{"url":"https://css-tricks.com/viewport-sized-typography/","title":"Blog post"},{"url":"https://github.com/saabi/vminpoly","title":"Polyfill"},{"url":"https://github.com/rodneyrehm/viewport-units-buggyfill","title":"Buggyfill - Polyfill that fixes buggy support"},{"url":"https://blog.rodneyrehm.de/archives/34-iOS7-Mobile-Safari-And-Viewport-Units.html","title":"Back-Forward issue blog post"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514497-vmax-unit","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"a #2","11":"a #2"},"edge":{"12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"a #2","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"a #2 #3","7.0-7.1":"a #3","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #2","11":"a #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in IE9 refers to supporting \"vm\" instead of \"vmin\".","2":"Partial support refers to not supporting the \"vmax\" unit. ","3":"Partial support in iOS7 is due to buggy behavior of the \"vh\" unit (see workarounds: [1](https://gist.github.com/pburtchaell/e702f441ba9b3f76f587), [2](https://gist.github.com/BenMorel/e9e34c08360ebbbd0634))."},"usage_perc_y":90.12,"usage_perc_a":4.05,"ucprefix":false,"parent":"","keywords":"vm,viewport-percentage","ie_id":"cssvmaxunit","chrome_id":"","firefox_id":"","webkit_id":""},"contentsecuritypolicy":{"title":"Content Security Policy 1.0","description":"Mitigate cross-site scripting attacks by whitelisting allowed sources of script, style, and other resources.","spec":"https://www.w3.org/TR/2012/CR-CSP-20121115/","status":"cr","links":[{"url":"https://www.html5rocks.com/en/tutorials/security/content-security-policy/","title":"HTML5Rocks article"},{"url":"http://content-security-policy.com/","title":"CSP Examples & Quick Reference"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP","title":"MDN Web Docs - Content Security Policy"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y #1","5":"y #1","6":"y #1","7":"y #1","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"y #2","15":"y #2","16":"y #2","17":"y #2","18":"y #2","19":"y #2","20":"y #2","21":"y #2","22":"y #2","23":"y #2","24":"y #2","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"a #2","6":"y #2","6.1":"y #2","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a #2","6.0-6.1":"y #2","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y #2"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y #2"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"The standard HTTP header is `Content-Security-Policy` which is used unless otherwise noted.","notes_by_num":{"1":"Supported through the `X-Content-Security-Policy` header","2":"Supported through the `X-WebKit-CSP` header"},"usage_perc_y":91.04,"usage_perc_a":3.25,"ucprefix":false,"parent":"","keywords":"csp,security,header","ie_id":"contentsecuritypolicy","chrome_id":"5205088045891584","firefox_id":"","webkit_id":""},"pagevisibility":{"title":"Page Visibility","description":"JavaScript API for determining whether a document is visible on the display","spec":"https://www.w3.org/TR/page-visibility/","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/DOM/Using_the_Page_Visibility_API","title":"MDN Web Docs - Page Visibility"},{"url":"https://docs.webplatform.org/wiki/dom/Document/visibilityState","title":"WebPlatform Docs"},{"url":"https://www.sitepoint.com/introduction-to-page-visibility-api/","title":"SitePoint article"},{"url":"http://aurelio.audero.it/demo/page-visibility-api-demo.html","title":"Demo"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y x","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":94.18,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"visibilitystate,visibilitychange,onvisibilitychange","ie_id":"pagevisibilityapi","chrome_id":"5689697795833856","firefox_id":"page-visibility","webkit_id":""},"stricttransportsecurity":{"title":"Strict Transport Security","description":"Declare that a website is only accessible over a secure connection (HTTPS).","spec":"https://tools.ietf.org/html/rfc6797","status":"other","links":[{"url":"http://dev.chromium.org/sts","title":"Chromium article"},{"url":"https://developer.mozilla.org/en-US/docs/Security/HTTP_Strict_Transport_Security","title":"MDN Web Docs - Strict Transport Security"},{"url":"https://www.owasp.org/index.php/HTTP_Strict_Transport_Security","title":"OWASP article"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"The HTTP header is 'Strict-Transport-Security'.","notes_by_num":{"1":"IE 11 added support [in an update](https://blogs.windows.com/msedgedev/2015/06/09/http-strict-transport-security-comes-to-internet-explorer-11-on-windows-8-1-and-windows-7/) on June 9, 2015"},"usage_perc_y":85.43,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"sts,hsts,security,header","ie_id":"httpstricttransportsecurityhsts","chrome_id":"4941480133132288","firefox_id":"","webkit_id":""},"style-scoped":{"title":"Scoped CSS","description":"Allows CSS rules to be scoped to part of the document, based on the position of the style element. The attribute has been [removed from the current specification](https://github.com/whatwg/html/issues/552).","spec":"https://www.w3.org/TR/html51/document-metadata.html#element-attrdef-style-scoped","status":"unoff","links":[{"url":"https://github.com/PM5544/scoped-polyfill","title":"Polyfill"},{"url":"http://html5doctor.com/the-scoped-attribute/","title":"HTML5 Doctor article"},{"url":"http://updates.html5rocks.com/2012/03/A-New-Experimental-Feature-style-scoped","title":"HTML5Rocks article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1291515","title":"Firefox bug #1291515: disable `<style scoped>` in content documents"}],"categories":["CSS","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"n d #2","56":"n d #2","57":"n d #2","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n d #1","21":"n d #1","22":"n d #1","23":"n d #1","24":"n d #1","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n d #2"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags","2":"Enabled in Firefox through the about:config setting \"layout.css.scoped-style.enabled\""},"usage_perc_y":1.14,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"scope","ie_id":"scopedstyles","chrome_id":"5374137958662144","firefox_id":"","webkit_id":""},"svg-fragment":{"title":"SVG fragment identifiers","description":"Method of displaying only a part of an SVG image by defining a view ID or view box dimensions as the file's fragment identifier.","spec":"https://www.w3.org/TR/SVG/linking.html#SVGFragmentIdentifiers","status":"rec","links":[{"url":"http://www.broken-links.com/2012/08/14/better-svg-sprites-with-fragment-identifiers/","title":"Blog post"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=91791","title":"WebKit support bug"}],"categories":["SVG"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a #1","8":"a #1","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a","10.5":"a","10.6":"a","11":"a","11.1":"a","11.5":"a","11.6":"a","12":"a","12.1":"y","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"a #1"},"op_mob":{"10":"a","11":"a","11.1":"a","11.5":"a","12":"a","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"a #1","5":"y","6.2":"y"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"a #1"}},"notes":"","notes_by_num":{"1":"Partial support refers to support inside `<img>` but not as CSS `background-image`"},"usage_perc_y":80.67,"usage_perc_a":2.81,"ucprefix":false,"parent":"","keywords":"fragments,sprite,svg,use","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"outline":{"title":"CSS outline properties","description":"The CSS outline properties draw a border around an element that does not affect layout, making it ideal for highlighting. This covers the `outline` shorthand, as well as `outline-width`, `outline-style`, `outline-color` and `outline-offset`. ","spec":"https://drafts.csswg.org/css-ui/","status":"cr","links":[{"url":"https://drafts.csswg.org/css-ui-3/#outline","title":"CSS Basic User Interface Module Level 3"},{"url":"https://developer.mozilla.org/en-US/docs/CSS/outline","title":"MDN Web Docs - CSS outline"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #2","9":"a #1 #2","10":"a #1 #2","11":"a #1 #2"},"edge":{"12":"a #1 #2","13":"a #1 #2","14":"a #1 #2","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a #2","9.5-9.6":"a #2","10.0-10.1":"a #2","10.5":"a #2","10.6":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","11.6":"y","12":"y","12.1":"y #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1 #2","11":"a #1 #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Firefox also supports the non-standard `-moz-outline-radius` property that acts similar to `border-radius`.","notes_by_num":{"1":"Also supports the value of `invert` for `outline-color`. (support of this value is optional for browsers)","2":"Does not support `outline-offset`."},"usage_perc_y":91.47,"usage_perc_a":3.78,"ucprefix":false,"parent":"","keywords":"-moz-outline,outline-width,outline-style,outline-color,outline-radius","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"download":{"title":"Download attribute","description":"When used on an anchor, this attribute signifies that the browser should download the resource the anchor points to rather than navigate to it.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#downloading-resources","status":"ls","links":[{"url":"http://updates.html5rocks.com/2011/08/Downloading-resources-in-HTML5-a-download","title":"HTML5Rocks post"},{"url":"http://html5-demos.appspot.com/static/a.download.html","title":"Demo: creating a text file and downloading it."},{"url":"https://bugs.webkit.org/show_bug.cgi?id=102914","title":"WebKit feature request bug"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":80.29,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"download,a.download,a[download],download attribute","ie_id":"adownloadattribute","chrome_id":"6473924464345088","firefox_id":"","webkit_id":"feature-download-attribute"},"pointer":{"title":"Pointer events","description":"This specification integrates various inputs from mice, touchscreens, and pens, making separate implementations no longer necessary and authoring for cross-device pointers easier. Not to be mistaken with the unrelated \"pointer-events\" CSS property.","spec":"https://www.w3.org/TR/pointerevents/","status":"rec","links":[{"url":"http://blogs.msdn.com/b/ie/archive/2011/09/20/touch-input-for-ie10-and-metro-style-apps.aspx","title":"Implementation of Pointer Events in IE10"},{"url":"http://blogs.msdn.com/b/eternalcoding/archive/2013/01/16/hand-js-a-polyfill-for-supporting-pointer-events-on-every-browser.aspx","title":"Hand.js, the polyfill for browsers only supporting Touch Events"},{"url":"http://blogs.msdn.com/b/davrous/archive/2013/02/20/handling-touch-in-your-html5-apps-thanks-to-the-pointer-events-of-ie10-and-windows-8.aspx","title":"Article & tutorial"},{"url":"http://deeptissuejs.com","title":"Abstraction library for pointer events"},{"url":"https://github.com/jquery/PEP","title":"PEP: Pointer Events Polyfill"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Pointer_events","title":"Pointer Event API on MDN"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=822898","title":"Bugzilla@Mozilla: Bug 822898 - Implement pointer events"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #1","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p d #2","42":"p d #2","43":"p d #2","44":"p d #2","45":"p d #2","46":"p d #2","47":"p d #2","48":"p d #2","49":"p d #2","50":"p d #2","51":"p d #2","52":"p d #2","53":"p d #2","54":"p d #2","55":"p d #2","56":"p d #2","57":"p d #2","58":"p d #2","59":"p d #2","60":"p d #2","61":"p d #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p d #3","53":"p d #3","54":"p d #3","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"p","11":"p","11.1":"p","TP":"p"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p d #3","40":"p d #3","41":"p d #3","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"p","7.0-7.1":"p","8":"p","8.1-8.4":"p","9.0-9.2":"p","9.3":"p","10.0-10.2":"p","10.3":"p","11.0-11.2":"p","11.3":"p"},"op_mini":{"all":"n"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"p","62":"y"},"bb":{"7":"p","10":"p"},"op_mob":{"10":"n","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"p"},"and_chr":{"64":"y"},"and_ff":{"57":"p d #2"},"ie_mob":{"10":"a x","11":"y"},"and_uc":{"11.8":"p"},"samsung":{"4":"p","5":"n","6.2":"y"},"and_qq":{"1.2":"p d #3"},"baidu":{"7.12":"n"}},"notes":"Firefox, starting with version 28, provides the 'dom.w3c_pointer_events.enabled' flag to support this specification.","notes_by_num":{"1":"Partial support in IE10 refers the lack of pointerenter and pointerleave events.","2":"Firefox support is disabled by default and [only supports mouse input](https://hacks.mozilla.org/2015/08/pointer-events-now-in-firefox-nightly/). On Windows only, touch can be enabled with the `layers.async-pan-zoom.enabled` and `dom.w3c_touch_events.enabled` flags","3":"Can be enabled with the `#enable-pointer-events` flag."},"usage_perc_y":62.78,"usage_perc_a":0.16,"ucprefix":false,"parent":"","keywords":"pointerdown,pointermove,pointerup,pointercancel,pointerover,pointerout,pointerenter,pointerleave","ie_id":"pointerevents","chrome_id":"4504699138998272","firefox_id":"pointer-events","webkit_id":""},"user-select-none":{"title":"CSS user-select: none","description":"Method of preventing text/element selection using CSS. ","spec":"https://drafts.csswg.org/css-ui-4/#valdef-user-select-none","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/CSS/user-select","title":"MDN Web Docs - CSS user-select"},{"url":"https://css-tricks.com/almanac/properties/u/user-select/","title":"CSS Tricks article"},{"url":"http://msdn.microsoft.com/en-us/library/ie/hh781492(v=vs.85).aspx","title":"MSDN Documentation"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x","11":"y x"},"edge":{"12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x"},"firefox":{"2":"y x","3":"y x","3.5":"y x","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y x","3.2":"y x","4":"y x","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y x","4.0-4.1":"y x","4.2-4.3":"y x","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"y x","2.2":"y x","2.3":"y x","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y"},"and_ff":{"57":"y x"},"ie_mob":{"10":"y x","11":"y x"},"and_uc":{"11.8":"n"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":86.27,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"input-file-accept":{"title":"accept attribute for file input","description":"Allows a filter to be defined for what type of files a user may pick with from an `<input type=\"file\">` dialog","spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-input-accept","status":"ls","links":[{"url":"https://www.wufoo.com/html5/attributes/07-accept.html","title":"Demo & information"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/13661175-full-spec-support-for-accept-in-input-type-file","title":"Microsoft Edge feature request on UserVoice"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"u","6":"u","7":"u","8":"u","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"u","22":"u","23":"u","24":"u","25":"u","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n #3","4.0-4.1":"n #3","4.2-4.3":"n #3","5.0-5.1":"n #3","6.0-6.1":"n","7.0-7.1":"n","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a #2","4":"a #2","4.1":"a #2","4.2-4.3":"a #2","4.4":"n #3","4.4.3-4.4.4":"n #3","62":"n #3"},"bb":{"7":"a #2","10":"a #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #2"},"and_chr":{"64":"a #2"},"and_ff":{"57":"n"},"ie_mob":{"10":"n #3","11":"a #4"},"and_uc":{"11.8":"n"},"samsung":{"4":"a #2","5":"a #2","6.2":"a #2"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"a #2"}},"notes":"Not supported means any file can be picked as if the `accept` attribute was not set, unless otherwise noted.\r\n\r\nOn Windows, files that do not apply are hidden. On OSX they are grayed out and disabled.","notes_by_num":{"1":"Supports the type format (e.g. `image/*`) but not the extension format (e.g. `.png`)","2":"Offers appropriate file locations/input based on format type, but does not prevent other files from being selected.","3":"Does not allow any files to be picked at all","4":"Supports the type format but does not allow any file to be picked when using the extension format"},"usage_perc_y":36.81,"usage_perc_a":45.71,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"webp":{"title":"WebP image format","description":"Image format that supports lossy and lossless compression, as well as animation and alpha transparency.","spec":"https://developers.google.com/speed/webp/","status":"unoff","links":[{"url":"https://developers.google.com/speed/webp/","title":"Official website"},{"url":"http://antimatter15.github.io/weppy/demo.html","title":"Polyfill for browsers with WebM support"},{"url":"http://libwebpjs.appspot.com/","title":"Decoder in JS"},{"url":"http://webpjs.appspot.com/","title":"Polyfill for browsers with or without WebM support (i.e. IE6-IE9, Safari/iOS version 6.1 and below; Firefox versions 24 and bel"},{"url":"https://developers.google.com/speed/webp/faq#which_web_browsers_natively_support_webp","title":"Official website FAQ - Which web browsers natively support WebP?"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p","53":"p","54":"p","55":"p","56":"p","57":"p","58":"p","59":"p","60":"p","61":"p"},"chrome":{"4":"n","5":"n","6":"p","7":"p","8":"p","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"p","11":"p","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"a #1","4.1":"a #1","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"a #1","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"p"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Both [Safari](https://www.cnet.com/news/apple-ios-macos-tests-googles-webp-graphics-to-speed-up-web/) & [Firefox](https://bugzilla.mozilla.org/show_bug.cgi?id=1294490) are experimenting with supporting WebP images.\r\n\r\nAnimated WebP images are supported in Chrome 32+ and Opera 19+.","notes_by_num":{"1":"Partial support in older Chrome, Opera and Android refers to browsers not supporting lossless and alpha versions of WebP."},"usage_perc_y":74.19,"usage_perc_a":0.21,"ucprefix":false,"parent":"","keywords":"","ie_id":"webpimageformat","chrome_id":"6471725441089536,4785074604081152","firefox_id":"","webkit_id":""},"input-autocomplete-onoff":{"title":"autocomplete attribute: on & off values","description":"The `autocomplete` attribute for `input` elements indicates to the browser whether a value should or should not be autofilled when appropriate.","spec":"https://html.spec.whatwg.org/multipage/forms.html#autofill","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-autocomplete","title":"MDN Web Docs - autocomplete attribute"}],"categories":["DOM"],"stats":{"ie":{"5.5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"a #3","31":"a #3","32":"a #3","33":"a #3","34":"a #3","35":"a #3","36":"a #3","37":"a #3","38":"a #3","39":"a #3","40":"a #3","41":"a #3","42":"a #3","43":"a #3","44":"a #3","45":"a #3","46":"a #3","47":"a #3","48":"a #3","49":"a #3","50":"a #3","51":"a #3","52":"a #3","53":"a #3","54":"a #3","55":"a #3","56":"a #3","57":"a #3","58":"a #3","59":"a #3","60":"a #3","61":"a #3"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #2","60":"a #2","61":"a #2","62":"a #2","63":"a #2","64":"a #2","65":"a #2","66":"a #2","67":"a #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y","6":"y","6.1":"y","7":"a #5","7.1":"a #5","8":"a #5","9":"a #5","9.1":"a #5","10":"a #5","10.1":"a #5","11":"a #5","11.1":"a #5","TP":"a #5"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y #4","6.0-6.1":"y #4","7.0-7.1":"y #4","8":"y #4","8.1-8.4":"y #4","9.0-9.2":"y #4","9.3":"y #4","10.0-10.2":"y #4","10.3":"y #4","11.0-11.2":"y #4","11.3":"y #4"},"op_mini":{"all":"y #4"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #5","11":"a #5"},"and_uc":{"11.8":"y #4"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"a #2"},"baidu":{"7.12":"y"}},"notes":"This support information does not include support for other `autocomplete` values.\r\n\r\nAs described in detail below, many modern browsers ignore the `off` value on certain fields in certain cases intentionally in order to give the user more control over autofilling fields. One example is the use of password managers.","notes_by_num":{"1":"Partial support refers to ignoring the `off` value for password fields. [see related blog post](http://blogs.msdn.com/b/ieinternals/archive/2009/09/10/troubleshooting-stored-login-problems-in-ie.aspx)","2":"Partial support in Chrome refers to the browser intentionally ignoring `autocomplete=\"off\"` when the user uses the browser's autofill functionality. [see bug](https://code.google.com/p/chromium/issues/detail?id=468153#c29)","3":"Partial support in Firefox refers to ignoring `autocomplete=\"off\"` for login forms. [see bug](https://bugzilla.mozilla.org/show_bug.cgi?id=956906)","4":"Browser does not display previously submitted values as options with `on` value.","5":"Safari ignores the `off` value for [username, email and password fields](https://stackoverflow.com/questions/22661977/disabling-safari-autofill-on-usernames-and-passwords)"},"usage_perc_y":57.92,"usage_perc_a":40.18,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"intrinsic-width":{"title":"Intrinsic & Extrinsic Sizing","description":"Allows for the heights and widths to be specified in intrinsic values using the `max-content`, `min-content`, `fit-content` and `stretch` (formerly `fill`) properties.","spec":"https://www.w3.org/TR/css3-sizing/","status":"wd","links":[{"url":"http://thenewcode.com/662/Design-From-the-Inside-Out-With-CSS-Min-Content","title":"Min-Content tutorial"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"a x #1 #2 #3","3.5":"a x #1 #2 #3","3.6":"a x #1 #2 #3","4":"a x #1 #2 #3","5":"a x #1 #2 #3","6":"a x #1 #2 #3","7":"a x #1 #2 #3","8":"a x #1 #2 #3","9":"a x #1 #2 #3","10":"a x #1 #2 #3","11":"a x #1 #2 #3","12":"a x #1 #2 #3","13":"a x #1 #2 #3","14":"a x #1 #2 #3","15":"a x #1 #2 #3","16":"a x #1 #2 #3","17":"a x #1 #2 #3","18":"a x #1 #2 #3","19":"a x #1 #2 #3","20":"a x #1 #2 #3","21":"a x #1 #2 #3","22":"a x #1 #2 #3","23":"a x #1 #2 #3","24":"a x #1 #2 #3","25":"a x #1 #2 #3","26":"a x #1 #2 #3","27":"a x #1 #2 #3","28":"a x #1 #2 #3","29":"a x #1 #2 #3","30":"a x #1 #2 #3","31":"a x #1 #2 #3","32":"a x #1 #2 #3","33":"a x #1 #2 #3","34":"a x #1 #2 #3","35":"a x #1 #2 #3","36":"a x #1 #2 #3","37":"a x #1 #2 #3","38":"a x #1 #2 #3","39":"a x #1 #2 #3","40":"a x #1 #2 #3","41":"a x #1 #2 #3","42":"a x #1 #2 #3","43":"a x #1 #2 #3","44":"a x #1 #2 #3","45":"a x #1 #2 #3","46":"a x #1 #2 #3","47":"a x #1 #2 #3","48":"a x #1 #2 #3","49":"a x #1 #2 #3","50":"a x #1 #2 #3","51":"a x #1 #2 #3","52":"a x #1 #2 #3","53":"a x #1 #2 #3","54":"a x #1 #2 #3","55":"a x #1 #2 #3","56":"a x #1 #2 #3","57":"a x #1 #2 #3","58":"a x #1 #2 #3","59":"a x #1 #2 #3","60":"a x #1 #2 #3","61":"a x #1 #2 #3"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y x #3","23":"y x #3","24":"y x #3","25":"y x #3","26":"y x #3","27":"y x #3","28":"y x #3","29":"y x #3","30":"y x #3","31":"y x #3","32":"y x #3","33":"y x #3","34":"y x #3","35":"y x #3","36":"y x #3","37":"y x #3","38":"y x #3","39":"y x #3","40":"y x #3","41":"y x #3","42":"y x #3","43":"y x #3","44":"y x #3","45":"y x #3","46":"y #3 #4","47":"y #3 #4","48":"y #3 #4","49":"y #3 #4","50":"y #3 #4","51":"y #3 #4","52":"y #3 #4","53":"y #3 #4","54":"y #3 #4","55":"y #3 #4","56":"y #3 #4","57":"y #3 #4","58":"y #3 #4","59":"y #3 #4","60":"y #3 #4","61":"y #3 #4","62":"y #3 #4","63":"y #3 #4","64":"y #3 #4","65":"y #3 #4","66":"y #3 #4","67":"y #3 #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"a x #1 #3","7":"a x #1 #3","7.1":"a x #1 #3","8":"a x #1 #3","9":"a x #3","9.1":"a x #3","10":"a x #3","10.1":"a x #3","11":"a #3","11.1":"a #3","TP":"a #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x #3","16":"y x #3","17":"y x #3","18":"y x #3","19":"y x #3","20":"y x #3","21":"y x #3","22":"y x #3","23":"y x #3","24":"y x #3","25":"y x #3","26":"y x #3","27":"y x #3","28":"y x #3","29":"y x #3","30":"y x #3","31":"y x #3","32":"y x #3","33":"y #3 #4","34":"y #3","35":"y #3 #4","36":"y #3 #4","37":"y #3 #4","38":"y #3 #4","39":"y #3 #4","40":"y #3 #4","41":"y #3 #4","42":"y #3 #4","43":"y #3 #4","44":"y #3 #4","45":"y #3 #4","46":"y #3 #4","47":"y #3 #4","48":"y #3 #4","49":"y #3 #4","50":"y #3 #4","51":"y #3 #4","52":"y #3 #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"a x #1 #3","8":"a x #1 #3","8.1-8.4":"a x #1 #3","9.0-9.2":"a x #3","9.3":"a x #3","10.0-10.2":"a x #3","10.3":"a x #3","11.0-11.2":"a x #3","11.3":"a x #3"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x #3","4.4.3-4.4.4":"y x #3","62":"y #3 #4"},"bb":{"7":"n","10":"y x #3"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y #3 #4"},"and_chr":{"64":"y #3 #4"},"and_ff":{"57":"a x #1 #2 #3"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y x #3","5":"y #3 #4","6.2":"y #3 #4"},"and_qq":{"1.2":"y x #3"},"baidu":{"7.12":"y #3 #4"}},"notes":"Prefixes are on the values, not the property names (e.g. -webkit-min-content)\r\n\r\nOlder webkit browsers also support the unofficial `intrinsic` value which acts the same as `max-content`.","notes_by_num":{"1":"Firefox does not support the `height`/`min-height`/`max-height` properties, only `width`. See [test case](https://codepen.io/shshaw/pen/Kiwaz), [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=567039).","2":"Firefox currently supports the `-moz-available` property rather than `-moz-stretch`.","3":"Does not support the `flex-basis` property. See [specs](https://www.w3.org/TR/2015/WD-css-flexbox-1-20150514/#flex-basis-property), [Blink bug](https://codereview.chromium.org/1304853002/), [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1055887).","4":"Chrome does not yet unprefix `stretch` (aka `fill`/`fill-available`), because the [CSSWG](https://lists.w3.org/Archives/Public/www-style/2015Aug/0127.html) is not ready for that yet. See [Chromium bug](https://chromium.googlesource.com/chromium/blink.git/+/bf119cdfece210e69c9a99af06f1b9981e2a1bc2)"},"usage_perc_y":71.03,"usage_perc_a":18.16,"ucprefix":false,"parent":"","keywords":"fill,fill-available,max-content,min-content,fit-content,contain-floats,intrinsic,extrinsic,sizing","ie_id":"cssintrinsicsizing","chrome_id":"5901353784180736","firefox_id":"","webkit_id":""},"cryptography":{"title":"Web Cryptography","description":"JavaScript API for performing basic cryptographic operations in web applications","spec":"https://www.w3.org/TR/WebCryptoAPI/","status":"cr","links":[{"url":"https://www.slideshare.net/Channy/the-history-and-status-of-web-crypto-api","title":"The History and Status of Web Crypto API"},{"url":"http://research.microsoft.com/en-us/projects/msrjscrypto/","title":"Microsoft Research JavaScript Cryptography Library"},{"url":"http://bitwiseshiftleft.github.io/sjcl/","title":"Cross-browser cryptography library"},{"url":"https://docs.google.com/spreadsheet/ccc?key=0AiAcidBZRLxndE9LWEs2R1oxZ0xidUVoU3FQbFFobkE#gid=1","title":"Support for recommended algorithms in Firefox"},{"url":"https://github.com/Netflix/NfWebCrypto","title":"Polyfill by Netflix with partial support"},{"url":"https://github.com/GlobalSign/PKI.js","title":"PKI.js - another crypto library for Public Key Infrastructure applications"},{"url":"https://diafygi.github.io/webcrypto-examples/","title":"Test suite for various algorithms/methods"},{"url":"https://github.com/vibornoff/webcrypto-shim","title":"Web Cryptography API shim for IE11 and Safari - set of bugfixes and workarounds of prefixed api implementations"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Web_Crypto_API","title":"MDN Web Docs - Web Crypto API"}],"categories":["JS API","Security"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"p","10":"p","11":"a x #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"n d #2","33":"n d #2","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"p","6":"p","6.1":"p","7":"p","7.1":"y x #3","8":"y x #3","9":"y x #3","9.1":"y x #3","10":"y x #3","10.1":"y x #3","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"p","11.6":"p","12":"p","12.1":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"p","7.0-7.1":"p","8":"y x #3","8.1-8.4":"y x #3","9.0-9.2":"y x #3","9.3":"y x #3","10.0-10.2":"y x #3","10.3":"y x #3","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"p","62":"y"},"bb":{"7":"p","10":"p"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"p"},"ie_mob":{"10":"p","11":"a x #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Many browsers support the `[crypto.getRandomValues()](#feat=getrandomvalues)` method, but not actual cryptography functionality under `crypto.subtle`. \r\n\r\nFirefox also has support for [unofficial features](https://developer.mozilla.org/en-US/docs/JavaScript_crypto). \r\n\r\nIn Chrome the API is only usable over secure connections. ([corresponding bug](https://code.google.com/p/chromium/issues/detail?id=373032))","notes_by_num":{"1":"Support in IE11 is based an older version of the specification.","2":"Supported in Firefox behind the `dom.webcrypto.enabled` flag.","3":"Supported in Safari using the `crypto.webkitSubtle` prefix."},"usage_perc_y":88.77,"usage_perc_a":2.98,"ucprefix":false,"parent":"","keywords":"subtle,subtlecrypto","ie_id":"webcryptoapi","chrome_id":"5030265697075200","firefox_id":"","webkit_id":"specification-web-cryptography-api"},"template":{"title":"HTML templates","description":"Method of declaring a portion of reusable markup that is parsed but not rendered until cloned.","spec":"https://html.spec.whatwg.org/multipage/scripting.html#the-template-element","status":"ls","links":[{"url":"https://www.html5rocks.com/en/tutorials/webcomponents/template/","title":"HTML5Rocks - HTML's New template Tag"},{"url":"http://polymer-project.org","title":"Polymer project (polyfill & web components framework)"},{"url":"https://github.com/manubb/template","title":"Polyfill script"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"a #1 #2","14":"a #1 #2","15":"a #1 #2","16":"a #1 #2","17":"a #1 #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n #3","7":"n","7.1":"a #1 #2","8":"a #1 #2","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #1 #2","8.1-8.4":"a #1 #2","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not support Document.importNode on templates, nested templates or elements that contain templates.","2":"Does not support Node.cloneNode on templates, nested templates or elements that contain templates.","3":"Safari 6.2 has the same partial support as Safari 7.1."},"usage_perc_y":88.42,"usage_perc_a":2.23,"ucprefix":false,"parent":"","keywords":"web components, template","ie_id":"templateelement","chrome_id":"5207287069147136","firefox_id":"html-templates","webkit_id":"feature-template-element"},"opus":{"title":"Opus","description":"Royalty-free open audio codec by IETF, which incorporated SILK from Skype and CELT from Xiph.org, to serve higher sound quality and lower latency at the same bitrate.","spec":"https://tools.ietf.org/html/rfc6716","status":"other","links":[{"url":"https://hacks.mozilla.org/2012/07/firefox-beta-15-supports-the-new-opus-audio-format/","title":"Introduction of Opus by Mozilla"},{"url":"http://www.ietf.org/mail-archive/web/rtcweb/current/msg04953.html","title":"Google's statement about the use of VP8 and Opus codec for WebRTC standard"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6513488-ogg-vorbis-and-opus-audio-formats-support-firefox","title":"Microsoft Edge feature request on UserVoice"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"Support refers to this format's use in the `audio` element, not other conditions.\r\n\r\nFor Opera the Linux version may be able to play it when the GStreamer module is up to date and the served mime-type is 'audio/ogg'.","notes_by_num":{"1":"Supported only on macOS High Sierra or later"},"usage_perc_y":75.05,"usage_perc_a":1.49,"ucprefix":false,"parent":"audio","keywords":"","ie_id":"opusaudioplayback","chrome_id":"4891189287321600","firefox_id":"","webkit_id":""},"jpegxr":{"title":"JPEG XR image format","description":"The latest JPEG image format of Joint Photographic Experts Group which boasts better compression and supports lossless compression, alpha channel, and 48-bit deep color over normal jpg format.","spec":"http://www.itu.int/rec/T-REC-T.832","status":"other","links":[{"url":"http://msdn.microsoft.com/en-us/library/windows/desktop/hh707223(v=vs.85).aspx","title":"Microsoft JPEG XR Codec Overview"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=500500","title":"Firefox support bug"},{"url":"https://code.google.com/p/chromium/issues/detail?id=56908","title":"Chrome support bug (marked as WONTFIX)"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":5.1,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"channel-messaging":{"title":"Channel messaging","description":"Method for having two-way communication between browsing contexts (using MessageChannel)","spec":"https://html.spec.whatwg.org/multipage/comms.html#channel-messaging","status":"ls","links":[{"url":"https://dev.opera.com/articles/view/window-postmessage-messagechannel/#channel","title":"An Introduction to HTML5 web messaging"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Channel_Messaging_API","title":"MDN Web Docs - Channel Messaging API"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"u","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supported in Firefox behind the `dom.messageChannel.enabled` flag. Reported to not work in web workers before version 41."},"usage_perc_y":94.23,"usage_perc_a":0,"ucprefix":false,"parent":"x-doc-messaging","keywords":"","ie_id":"messagechannels","chrome_id":"6710044586409984","firefox_id":"","webkit_id":""},"css3-tabsize":{"title":"CSS3 tab-size","description":"Method of customizing the width of the tab character. Only effective using 'white-space: pre' or 'white-space: pre-wrap'.","spec":"https://www.w3.org/TR/css3-text/#tab-size","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/tab-size","title":"MDN Web Docs - CSS tab-size"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6524689-tab-size-property","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"a x #1","11":"a x #1","11.1":"a x #1","11.5":"a x #1","11.6":"a x #1","12":"a x #1","12.1":"a x #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"a x #1"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"y"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"n","11":"a x #1","11.1":"a x #1","11.5":"a x #1","12":"a x #1","12.1":"a x #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y x"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial refers to supporting `<integer>` but not `<length>` values."},"usage_perc_y":73.84,"usage_perc_a":18.39,"ucprefix":false,"parent":"","keywords":"tab-size,tab-width","ie_id":"csstabsizeproperty","chrome_id":"","firefox_id":"","webkit_id":""},"mutationobserver":{"title":"Mutation Observer","description":"Method for observing and reacting to changes to the DOM. Replaces MutationEvents, which is deprecated.","spec":"https://dom.spec.whatwg.org/#mutation-observers","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver","title":"MutationObserver from MDN"},{"url":"https://github.com/webcomponents/webcomponentsjs","title":"Polyfill"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"p","10":"p","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y x","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y x","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"p","4.1":"p","4.2-4.3":"p","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"When changing the `innerHTML` content of a node containing a single `CharacterData` node, resulting in a single-but-different `CharacterData` child node, WebKit browsers consider this a `characterData` mutation of the child `CharacterData` node, while other browsers consider it a `childList` mutation of the parent node.","notes_by_num":{},"usage_perc_y":93.93,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"MutationObserver","ie_id":"mutationobservers","chrome_id":"5021194726146048","firefox_id":"","webkit_id":""},"css-selection":{"title":"::selection CSS pseudo-element","description":"The ::selection CSS pseudo-element applies rules to the portion of a document that has been highlighted (e.g., selected with the mouse or another pointing device) by the user.","spec":"https://www.w3.org/TR/css-pseudo-4/#selectordef-selection","status":"wd","links":[{"url":"http://quirksmode.org/css/selectors/selection.html","title":"::selection test"},{"url":"https://www.webplatform.org/docs/css/selectors/pseudo-elements/::selection","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/::selection","title":"MDN web docs"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y x","3":"y x","3.5":"y x","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y x"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":84.57,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"::selection,selection","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-placeholder":{"title":"::placeholder CSS pseudo-element","description":"The ::placeholder pseudo-element represents placeholder text in an input field: text that represents the input and provides a hint to the user on how to fill out the form. For example, a date-input field might have the placeholder text `YYYY/MM/DD` to clarify that numeric dates are to be entered in year-month-day order.","spec":"https://drafts.csswg.org/css-pseudo-4/#placeholder-pseudo","status":"wd","links":[{"url":"http://msdn.microsoft.com/en-us/library/ie/hh772745(v=vs.85).aspx","title":"MSDN article"},{"url":"https://css-tricks.com/snippets/css/style-placeholder-text/","title":"CSS-Tricks article with all prefixes"},{"url":"http://wiki.csswg.org/ideas/placeholder-styling","title":"CSSWG discussion"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/::-moz-placeholder","title":"MDN Web Docs - CSS ::-moz-placeholder"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1069012","title":"Mozilla Bug 1069012 - unprefix :placeholder-shown pseudo-class and ::placeholder pseudo-element"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/::placeholder","title":"MDN web docs - ::placeholder"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x","11":"a x"},"edge":{"12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x","5":"a x","6":"a x","7":"a x","8":"a x","9":"a x","10":"a x","11":"a x","12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"a x","21":"a x","22":"a x","23":"a x","24":"a x","25":"a x","26":"a x","27":"a x","28":"a x","29":"a x","30":"a x","31":"a x","32":"a x","33":"a x","34":"a x","35":"a x","36":"a x","37":"a x","38":"a x","39":"a x","40":"a x","41":"a x","42":"a x","43":"a x","44":"a x","45":"a x","46":"a x","47":"a x","48":"a x","49":"a x","50":"a x","51":"a x","52":"a x","53":"a x","54":"a x","55":"a x","56":"a x","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"a x","5.1":"a x","6":"a x","6.1":"a x","7":"a x","7.1":"a x","8":"a x","9":"a x","9.1":"a x","10":"a x","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x","16":"a x","17":"a x","18":"a x","19":"a x","20":"a x","21":"a x","22":"a x","23":"a x","24":"a x","25":"a x","26":"a x","27":"a x","28":"a x","29":"a x","30":"a x","31":"a x","32":"a x","33":"a x","34":"a x","35":"a x","36":"a x","37":"a x","38":"a x","39":"a x","40":"a x","41":"a x","42":"a x","43":"a x","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"a x","5.0-5.1":"a x","6.0-6.1":"a x","7.0-7.1":"a x","8":"a x","8.1-8.4":"a x","9.0-9.2":"a x","9.3":"a x","10.0-10.2":"a x","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a x","2.2":"a x","2.3":"a x","3":"a x","4":"a x","4.1":"a x","4.2-4.3":"a x","4.4":"a x","4.4.3-4.4.4":"a x","62":"y"},"bb":{"7":"a x","10":"a x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a x","11":"a x"},"and_uc":{"11.8":"y"},"samsung":{"4":"a x","5":"a x","6.2":"a x"},"and_qq":{"1.2":"a x"},"baidu":{"7.12":"y"}},"notes":"Partial support refers to using alternate names:\r\n`::-webkit-input-placeholder` for Chrome/Safari/Opera ([Chrome issue #623345](https://bugs.chromium.org/p/chromium/issues/detail?id=623345))\r\n`:-ms-input-placeholder` for IE. \r\n`::-ms-input-placeholder` for Edge (also supports webkit prefix)","notes_by_num":{"1":"Firefox 18 and below supported the `:-moz-placeholder` pseudo-class rather than the `::-moz-placeholder` pseudo-element."},"usage_perc_y":80.56,"usage_perc_a":14.15,"ucprefix":false,"parent":"","keywords":"::placeholder,placeholder","ie_id":"","chrome_id":"6715780926275584","firefox_id":"","webkit_id":""},"css-deviceadaptation":{"title":"CSS Device Adaptation","description":"A standard way to override the size of viewport in web page using the `@viewport` rule, standardizing and replacing Apple's own popular `<meta>` viewport implementation.","spec":"https://www.w3.org/TR/css-device-adapt/","status":"wd","links":[{"url":"https://dev.opera.com/articles/view/an-introduction-to-meta-viewport-and-viewport/","title":"Introduction to meta viewport and @viewport in Opera Mobile"},{"url":"http://msdn.microsoft.com/en-us/library/ie/hh708740(v=vs.85).aspx","title":"Device adaptation in Internet Explorer 10"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6777420-unprefix-and-support-all-viewport-properties","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://code.google.com/p/chromium/issues/detail?id=155477","title":"Chrome tracking bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=95959","title":"WebKit tracking bug"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=747754","title":"Mozilla tracking bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #1","11":"a x #1"},"edge":{"12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n d","30":"n d","31":"n d","32":"n d","33":"n d","34":"n d","35":"n d","36":"n d","37":"n d","38":"n d","39":"n d","40":"n d","41":"n d","42":"n d","43":"n d","44":"n d","45":"n d","46":"n d","47":"n d","48":"n d","49":"n d","50":"n d","51":"n d","52":"n d","53":"n d","54":"n d","55":"n d","56":"n d","57":"n d","58":"n d","59":"n d","60":"n d","61":"n d","62":"n d","63":"n d","64":"n d","65":"n d","66":"n d","67":"n d"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n d","41":"n d","42":"n d","43":"n d","44":"n d","45":"n d","46":"n d","47":"n d","48":"n d","49":"n d","50":"n d","51":"n d","52":"n d"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"a x #2"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"a x #2","11.1":"a x #2","11.5":"a x #2","12":"a x #2","12.1":"a x #2","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"a x #1","11":"a x #1"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n d"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"IE only supports the 'width' and 'height' properties.","2":"Opera Mobile and Opera Mini only support the 'orientation' property."},"usage_perc_y":0,"usage_perc_a":7.93,"ucprefix":false,"parent":"","keywords":"viewport","ie_id":"cssdeviceadaptation","chrome_id":"4737164243894272","firefox_id":"","webkit_id":""},"text-emphasis":{"title":"text-emphasis styling","description":"Method of using small symbols next to each glyph to emphasize a run of text, commonly used in East Asian languages. The `text-emphasis` shorthand, and its `text-emphasis-style` and `text-emphasis-color` longhands, can be used to apply marks to the text. The `text-emphasis-position` property, which inherits separately, allows setting the emphasis marks' position with respect to the text.","spec":"https://drafts.csswg.org/css-text-decor-3/#text-emphasis-property","status":"cr","links":[{"url":"https://github.com/zmmbreeze/jquery.emphasis/","title":"A javascript fallback for CSS3 emphasis mark."},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514536-text-decoration-styling","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-emphasis","title":"MDN Web Docs - text-emphasis"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n d #2","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"a x #1","54":"a x #1","55":"a x #1","56":"a x #1","57":"a x #1","58":"a x #1","59":"a x #1","60":"a x #1","61":"a x #1","62":"a x #1","63":"a x #1","64":"a x #1","65":"a x #1","66":"a x #1","67":"a x #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"a x #1","7":"a x #1","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a x #1","4.4.3-4.4.4":"a x #1","62":"a x #1"},"bb":{"7":"n","10":"a x #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x #1"},"and_chr":{"64":"a x #1"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a x #1"},"samsung":{"4":"a x #1","5":"a x #1","6.2":"a x #1"},"and_qq":{"1.2":"a x #1"},"baidu":{"7.12":"a x #1"}},"notes":"Some old WebKit browsers (like Chrome 24) support `-webkit-text-emphasis`, but does not support CJK languages and is therefore considered unsupported.","notes_by_num":{"1":"Partial support refers to incorrect support for `-webkit-text-emphasis-position`. These browsers support `over` and `under` as values, but not the added `left` and `right` values required by the spec.","2":"Can be enabled in Firefox using the `layout.css.text-emphasis.enabled` flag"},"usage_perc_y":17.22,"usage_perc_a":71,"ucprefix":false,"parent":"","keywords":"text-emphasis,text-emphasis-position,text-emphasis-style,text-emphasis-color","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"midi":{"title":"Web MIDI API","description":"The Web MIDI API specification defines a means for web developers to enumerate, manipulate and access MIDI devices","spec":"http://webaudio.github.io/web-midi-api/","status":"wd","links":[{"url":"https://github.com/cwilso/WebMIDIAPIShim","title":"Polyfill"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=836897","title":"Firefox bug"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":69.38,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"webmidiapi","chrome_id":"4923613069180928","firefox_id":"","webkit_id":"feature-web-midi"},"canvas-blending":{"title":"Canvas blend modes","description":"Method of defining the effect resulting from overlaying two layers on a Canvas element.","spec":"https://www.w3.org/TR/compositing-1/#blending","status":"cr","links":[{"url":"http://blogs.adobe.com/webplatform/2013/01/28/blending-features-in-canvas/","title":"Blog post"}],"categories":["Canvas"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":90.57,"usage_perc_a":0,"ucprefix":false,"parent":"canvas","keywords":"","ie_id":"compositingandblendingincanvas2d","chrome_id":"","firefox_id":"","webkit_id":""},"clipboard":{"title":"Clipboard API","description":"API to provide copy, cut and paste events as well as provide access to the OS clipboard.","spec":"https://www.w3.org/TR/clipboard-apis/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/ClipboardEvent","title":"MDN Web Docs - ClipboardEvent"},{"url":"https://www.lucidchart.com/techblog/2014/12/02/definitive-guide-copying-pasting-javascript/","title":"Guide on cross-platform clipboard access"}],"categories":["JS API"],"stats":{"ie":{"5.5":"a #1 #2 #5","6":"a #1 #2 #5","7":"a #1 #2 #5","8":"a #1 #2 #5","9":"a #1 #2 #5","10":"a #1 #2 #5","11":"a #1 #2 #5"},"edge":{"12":"a #1 #2 #5","13":"a #1 #2 #5","14":"a #1 #2 #5","15":"a #1 #2 #5","16":"a #1 #2 #5","17":"a #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"a #2 #3","23":"a #2 #3","24":"a #2 #3","25":"a #2 #3","26":"a #2 #3","27":"a #2 #3","28":"a #2 #3","29":"a #2 #3","30":"a #2 #3","31":"a #2 #3","32":"a #2 #3","33":"a #2 #3","34":"a #2 #3","35":"a #2 #3","36":"a #2 #3","37":"a #2 #3","38":"a #2 #3","39":"a #2 #3","40":"a #2 #3","41":"a #6","42":"a #6","43":"a #6","44":"a #6","45":"a #6","46":"a #6","47":"a #6","48":"a #6","49":"a #6","50":"a #6","51":"a #6","52":"a #6","53":"a #6","54":"a #6","55":"a #6","56":"a #6","57":"a #6","58":"a #6","59":"a #6","60":"a #6","61":"a #6"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"a #3 #5","14":"a #3 #5","15":"a #3 #5","16":"a #3 #5","17":"a #3 #5","18":"a #3 #5","19":"a #3 #5","20":"a #3 #5","21":"a #3 #5","22":"a #3 #5","23":"a #3 #5","24":"a #3 #5","25":"a #3 #5","26":"a #3 #5","27":"a #3 #5","28":"a #3 #5","29":"a #3 #5","30":"a #3 #5","31":"a #3 #5","32":"a #3 #5","33":"a #3 #5","34":"a #3 #5","35":"a #3 #5","36":"a #3 #5","37":"a #3 #5","38":"a #3 #5","39":"a #3 #5","40":"a #3 #5","41":"a #3 #5","42":"a #3 #5","43":"a #5 #7","44":"a #5 #7","45":"a #5 #7","46":"a #5 #7","47":"a #5 #7","48":"a #5 #7","49":"a #5 #7","50":"a #5 #7","51":"a #5 #7","52":"a #5 #7","53":"a #5 #7","54":"a #5 #7","55":"a #5 #7","56":"a #5 #7","57":"a #5 #7","58":"a #5 #7","59":"a #5 #7","60":"a #5 #7","61":"a #5 #7","62":"a #5 #7","63":"a #5 #7","64":"a #5 #7","65":"a #5 #7","66":"a #5 #7","67":"a #5 #7"},"safari":{"3.1":"u","3.2":"u","4":"a #2 #3 #5","5":"a #2 #3 #5","5.1":"a #2 #3 #5","6":"a #2 #3 #5","6.1":"a #2 #3 #5","7":"a #2 #3 #5","7.1":"a #2 #3 #5","8":"a #2 #3 #5","9":"a #2 #3 #5","9.1":"a #2 #3 #5","10":"a #2 #5","10.1":"a #2 #5","11":"a #2 #5","11.1":"a #2 #5","TP":"a #2 #5"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"u","12.1":"a #3","15":"a #3 #5","16":"a #3 #5","17":"a #3 #5","18":"a #3 #5","19":"a #3 #5","20":"a #3 #5","21":"a #3 #5","22":"a #3 #5","23":"a #3 #5","24":"a #3 #5","25":"a #3 #5","26":"a #3 #5","27":"a #3 #5","28":"a #3 #5","29":"a #3 #5","30":"a #5 #7","31":"a #5 #7","32":"a #5 #7","33":"a #5 #7","34":"a #5 #7","35":"a #5 #7","36":"a #5 #7","37":"a #5 #7","38":"a #5 #7","39":"a #5 #7","40":"a #5 #7","41":"a #5 #7","42":"a #5 #7","43":"a #5 #7","44":"a #5 #7","45":"a #5 #7","46":"a #5 #7","47":"a #5 #7","48":"a #5 #7","49":"a #5 #7","50":"a #5 #7","51":"a #5 #7","52":"a #5 #7"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a #2 #3 #5","6.0-6.1":"a #2 #3 #5","7.0-7.1":"a #2 #3 #5","8":"a #2 #3 #5","8.1-8.4":"a #2 #3 #5","9.0-9.2":"a #2 #3 #5","9.3":"a #2 #3 #5","10.0-10.2":"a #2 #3 #5","10.3":"a #2 #3 #5","11.0-11.2":"a #2 #3 #5","11.3":"a #2 #3 #5"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a #2 #5","4.4.3-4.4.4":"a #2 #5","62":"a #2 #5"},"bb":{"7":"n","10":"a #2 #5"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"u","37":"a #4 #5"},"and_chr":{"64":"a #5"},"and_ff":{"57":"a #4"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"a #2 #5","5":"a #5","6.2":"a #5"},"and_qq":{"1.2":"a #5 #7"},"baidu":{"7.12":"a #5"}},"notes":"Internet Explorer will display a security prompt for access to the OS clipboard.\r\n\r\nChrome 42+, Opera 29+ and Firefox 41+ support clipboard reading/writing only when part of a user action (click, keydown, etc).\r\n\r\nFirefox 40- users [can enable support](https://developer.mozilla.org/en-US/docs/Midas/Security_preferences) with a security preference setting.","notes_by_num":{"1":"Only supports `Text` and `URL` data types and uses [a non-standard method](http://msdn.microsoft.com/en-us/library/ie/ms535220%28v=vs.85%29.aspx) of interacting with the clipboard.","2":"Only fires `copy` event on a valid selection and only `cut` and `paste` in focused editable fields.","3":"Only supports OS clipboard reading/writing via shortcut keys, not through `document.execCommand()`.","4":"Only supports `paste` event (on focused editable field).","5":"Does not support the `ClipboardEvent` constructor","6":"Supports `cut` & `copy` events without a focused editable field, but not `paste` (presumably for security reasons)","7":"Supports `cut` & `copy` events without a focused editable field, but does not fire `paste` with `document.execCommand('paste')`  "},"usage_perc_y":0,"usage_perc_a":85.91,"ucprefix":false,"parent":"","keywords":"cut,copy,paste,clipboarddata,clipboardevent","ie_id":"clipboardapi","chrome_id":"","firefox_id":"","webkit_id":""},"rtcpeerconnection":{"title":"WebRTC Peer-to-peer connections","description":"Method of allowing two users to communicate directly, browser to browser using the RTCPeerConnection API.","spec":"https://w3c.github.io/webrtc-pc/","status":"wd","links":[{"url":"http://www.webrtc.org/","title":"WebRTC Project site"},{"url":"https://temasys.atlassian.net/wiki/display/TWPP/WebRTC+Plugins","title":"Plug-in for support in IE & Safari"},{"url":"http://www.html5labs.com/prototypes/object-rtc/object-rtc/info","title":"Prototype implementation for ORTC"},{"url":"https://blogs.windows.com/msedgedev/2017/01/31/introducing-webrtc-microsoft-edge/","title":"Introducing WebRTC 1.0 and interoperable real-time communications in Microsoft Edge"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x","62":"y x","63":"y x","64":"y x","65":"y x","66":"y x","67":"y x"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y x"},"bb":{"7":"n","10":"n #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y x"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y x"}},"notes":"Microsoft also offers a compatible implementation known as [ObjectRTC](http://blogs.msdn.com/b/ie/archive/2014/10/27/bringing-interoperable-real-time-communications-to-the-web.aspx). See [Object RTC](https://caniuse.com/#feat=objectrtc) for support details for that API.","notes_by_num":{"1":"BlackBerry 10 recognizes RTCPeerConnection but real support is unconfirmed.","2":"Can be enabled via the \"Enable WebRTC 1.0\" flag"},"usage_perc_y":77.65,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"webrtcwebrtcv10api","chrome_id":"6612462929444864","firefox_id":"webrtc","webkit_id":"specification-webrtc"},"css3-cursors":{"title":"CSS3 Cursors (original values)","description":"CSS3 cursor values added in the 2004 spec, including none, context-menu, cell, vertical-text, alias, copy, no-drop, not-allowed, nesw-resize, nwse-resize, col-resize, row-resize and all-scroll. ","spec":"https://www.w3.org/TR/css3-ui/#cursor","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/cursor","title":"MDN Web Docs - CSS cursor"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"a #2","13":"a #2","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a","3":"a","3.5":"a","3.6":"a","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a","3.2":"a","4":"a","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a #2","9.5-9.6":"a #2","10.0-10.1":"a #2","10.5":"a #2","10.6":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","11.6":"a #2","12":"a #2","12.1":"a #2","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"u"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support refers to no support for the alias, cell, copy, ew-resize, ns-resize, nesw-resize, nwse-resize or context-menu cursors.","2":"Partial support refers to not supporting 'none'."},"usage_perc_y":41.61,"usage_perc_a":0.53,"ucprefix":false,"parent":"","keywords":"cursors, pointers","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css3-cursors-newer":{"title":"CSS3 Cursors: zoom-in & zoom-out","description":"Support for `zoom-in`, `zoom-out` values for the CSS3 `cursor` property.","spec":"https://www.w3.org/TR/css3-ui/#cursor","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/cursor","title":"MDN Web Docs - CSS cursor"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y x","3":"y x","3.5":"y x","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y x","3.2":"y x","4":"y x","5":"y x","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y","12":"y","12.1":"y","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":38.87,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"cursors, pointers","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"webvtt":{"title":"WebVTT - Web Video Text Tracks","description":"Format for marking up text captions for multimedia resources.","spec":"https://w3c.github.io/webvtt/","status":"wd","links":[{"url":"https://www.html5rocks.com/en/tutorials/track/basics/","title":"Getting Started With the Track Element"},{"url":"https://dev.opera.com/articles/view/an-introduction-to-webvtt-and-track/","title":"An Introduction to WebVTT and track"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/WebVTT_API","title":"MDN Web Docs - WebVTT"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n d","25":"n d","26":"n d","27":"n d","28":"n d","29":"n d","30":"n d","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"WebVTT must be used with the <track> element.","notes_by_num":{"1":"Firefox currently lacks support for the `::cue` pseudo-element. [See bug #865395.](https://bugzilla.mozilla.org/show_bug.cgi?id=865395)"},"usage_perc_y":85.46,"usage_perc_a":0,"ucprefix":false,"parent":"video","keywords":"captions,track,vtt,subtitles","ie_id":"","chrome_id":"6719115557339136","firefox_id":"","webkit_id":""},"promises":{"title":"Promises","description":"A promise represents the eventual result of an asynchronous operation.","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-promise-objects","status":"other","links":[{"url":"http://promises-aplus.github.io/promises-spec/","title":"Promises/A+ spec"},{"url":"http://www.chromestatus.com/features/5681726336532480","title":"Chromium dashboard - ES6 Promises"},{"url":"https://www.html5rocks.com/en/tutorials/es6/promises/","title":"JavaScript Promises: There and back again - HTML5 Rocks"},{"url":"https://github.com/jakearchibald/ES6-Promises","title":"A polyfill for ES6-style Promises"}],"categories":["JS"],"stats":{"ie":{"5.5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"a","28":"a","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"a","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"p","6":"p","6.1":"p","7":"p","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"p","11.6":"p","12":"p","12.1":"p","15":"p","16":"p","17":"p","18":"p","19":"a","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"p","7.0-7.1":"p","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"p"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"p","10":"p"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"p"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":89.76,"usage_perc_a":0.02,"ucprefix":false,"parent":"","keywords":"futures","ie_id":"","chrome_id":"5681726336532480","firefox_id":"promise","webkit_id":"feature-promise-objects"},"css-sticky":{"title":"CSS position:sticky","description":"Keeps elements positioned as \"fixed\" or \"relative\" depending on how it appears in the viewport. As a result the element is \"stuck\" when necessary while scrolling.","spec":"https://drafts.csswg.org/css-position/#sticky-pos","status":"wd","links":[{"url":"http://updates.html5rocks.com/2012/08/Stick-your-landings-position-sticky-lands-in-WebKit","title":"HTML5Rocks"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/position","title":"MDN Web Docs - CSS position"},{"url":"https://www.webplatform.org/docs/css/properties/position","title":"WebPlatform Docs"},{"url":"https://github.com/dollarshaveclub/stickybits","title":"Polyfill"},{"url":"https://github.com/wilddeer/stickyfill","title":"Another polyfill"},{"url":"http://gedd.ski/post/position-sticky/","title":"geddski article: Examples and Gotchas"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"a #3","33":"a #3","34":"a #3","35":"a #3","36":"a #3","37":"a #3","38":"a #3","39":"a #3","40":"a #3","41":"a #3","42":"a #3","43":"a #3","44":"a #3","45":"a #3","46":"a #3","47":"a #3","48":"a #3","49":"a #3","50":"a #3","51":"a #3","52":"a #3","53":"a #3","54":"a #3","55":"a #3","56":"a #3","57":"a #3","58":"a #3","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n d #2","24":"n d #2","25":"n d #2","26":"n d #2","27":"n d #2","28":"n d #2","29":"n d #2","30":"n d #2","31":"n d #2","32":"n d #2","33":"n d #2","34":"n d #2","35":"n d #2","36":"n d #2","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n d #2","53":"n d #2","54":"n d #2","55":"n d #2","56":"a #4","57":"a #4","58":"a #4","59":"a #4","60":"a #4","61":"a #4","62":"a #4","63":"a #4","64":"a #4","65":"a #4","66":"a #4","67":"a #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"a x #5","7":"a x #5","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n d #2","40":"n d #2","41":"n d #2","42":"a #4","43":"a #4","44":"a #4","45":"a #4","46":"a #4","47":"a #4","48":"a #4","49":"a #4","50":"a #4","51":"a #4","52":"a #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"a x #5","7.0-7.1":"a x #5","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #4"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #4"},"and_ff":{"57":"a #3"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #4"},"samsung":{"4":"n","5":"n","6.2":"y"},"and_qq":{"1.2":"n d #2"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled in Firefox by setting the about:config preference layout.css.sticky.enabled to true","2":"Enabled through the \"experimental Web Platform features\" flag","3":"Not supported on any `table` parts - See [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=975644)","4":"Supported on `th` elements, but not `thead` or `tr` - See [Chrome bug](https://bugs.chromium.org/p/chromium/issues/detail?id=702927)","5":"Do not appear to support sticky table headers"},"usage_perc_y":15.35,"usage_perc_a":69.91,"ucprefix":false,"parent":"","keywords":"","ie_id":"positionsticky","chrome_id":"6190250464378880","firefox_id":"","webkit_id":"feature-position:-sticky"},"dialog":{"title":"Dialog element","description":"Method of easily creating custom dialog boxes to display to the user with modal or non-modal options. Also includes a `::backdrop` pseudo-element for behind the element.","spec":"https://html.spec.whatwg.org/multipage/forms.html#the-dialog-element","status":"ls","links":[{"url":"https://github.com/GoogleChrome/dialog-polyfill","title":"Polyfill"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n d #2","33":"n d #2","34":"n d #2","35":"n d #2","36":"n d #2","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n d #3","20":"n d #3","21":"n d #3","22":"n d #3","23":"n d #3","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supported in Firefox by enabling \"dom.dialog_element.enabled\" in about:config","2":"Enabled through the \"Experimental Web Platform features\" flag in `chrome://flags`","3":"Enabled through the \"Experimental Web Platform features\" flag in `opera://flags`"},"usage_perc_y":69.55,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"HTMLDialogElement,showModal,backdrop","ie_id":"dialogelementformodals","chrome_id":"5770237022568448","firefox_id":"","webkit_id":""},"css-variables":{"title":"CSS Variables (Custom Properties)","description":"Permits the declaration and usage of cascading variables in stylesheets.","spec":"https://www.w3.org/TR/css-variables/","status":"cr","links":[{"url":"https://hacks.mozilla.org/2013/12/css-variables-in-firefox-nightly/","title":"Mozilla hacks article (older syntax)"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_variables","title":"MDN Web Docs - Using CSS variables"},{"url":"https://blogs.windows.com/msedgedev/2017/03/24/css-custom-properties/","title":"Edge Dev Blog post"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"a #2","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n d #1","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n d #1","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled through the \"Experimental Web Platform features\" flag in `chrome://flags`","2":"Partial support is due to bugs present (see known issues)"},"usage_perc_y":86.79,"usage_perc_a":0.4,"ucprefix":false,"parent":"","keywords":"css variables,custom properties","ie_id":"csscustompropertiesakacssvariables","chrome_id":"6401356696911872","firefox_id":"css-variables","webkit_id":"specification-css-variables"},"vibration":{"title":"Vibration API","description":"Method to access the vibration mechanism of the hosting device.","spec":"https://www.w3.org/TR/vibration/","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Guide/API/Vibration","title":"MDN Web Docs - Vibration"},{"url":"https://davidwalsh.name/vibration-api","title":"Vibration API sample code & demo"},{"url":"https://code.tutsplus.com/tutorials/html5-vibration-api--mobile-22585","title":"Tuts+ article"},{"url":"http://aurelio.audero.it/demo/vibration-api-demo.html","title":"Demo"},{"url":"http://www.illyism.com/journal/vibration-api","title":"Article and Usage Examples"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":76.35,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"vibration,mobile,device","ie_id":"vibrationapi","chrome_id":"5698768766763008","firefox_id":"vibration","webkit_id":"feature-vibration-api"},"css-backgroundblendmode":{"title":"CSS background-blend-mode","description":"Allows blending between CSS background images, gradients, and colors.","spec":"https://www.w3.org/TR/compositing-1/#propdef-background-blend-mode","status":"cr","links":[{"url":"https://codepen.io/bennettfeely/pen/rxoAc","title":"codepen example"},{"url":"https://medium.com/web-design-technique/6b51bf53743a","title":"Blog post"},{"url":"http://bennettfeely.com/gradients","title":"Demo"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"a #2","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"a #2","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #2"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial in Safari refers to not supporting the `hue`, `saturation`, `color`, and `luminosity` blend modes.","2":"Chrome 46 has some [serious bugs](https://code.google.com/p/chromium/issues/detail?id=543583) with multiply, difference, and exclusion blend modes"},"usage_perc_y":75,"usage_perc_a":12.48,"ucprefix":false,"parent":"","keywords":"css blend modes,css blending modes,blending,multiply,screen,background","ie_id":"","chrome_id":"5768037999312896","firefox_id":"","webkit_id":""},"css-mixblendmode":{"title":"Blending of HTML/SVG elements","description":"Allows blending between arbitrary SVG and HTML elements","spec":"https://www.w3.org/TR/compositing-1/#mix-blend-mode","status":"cr","links":[{"url":"https://codepen.io/bennettfeely/pen/csjzd","title":"codepen example"},{"url":"https://css-tricks.com/basics-css-blend-modes/","title":"Blog post"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a #2","8":"a #2","9":"a #2","9.1":"a #2","10":"a #2","10.1":"a #2","11":"a #2","11.1":"a #2","TP":"a #2"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #2","8.1-8.4":"a #2","9.0-9.2":"a #2","9.3":"a #2","10.0-10.2":"a #2","10.3":"a #2","11.0-11.2":"a #2","11.3":"a #2"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags","2":"Partial in Safari refers to not supporting the `hue`, `saturation`, `color`, and `luminosity` blend modes."},"usage_perc_y":73.78,"usage_perc_a":12.44,"ucprefix":false,"parent":"","keywords":"mix-blend-mode,css blend modes,css blending modes","ie_id":"mixblendmode","chrome_id":"6362616360337408","firefox_id":"","webkit_id":""},"speech-recognition":{"title":"Speech Recognition API","description":"Method to provide speech input in a web browser.","spec":"https://w3c.github.io/speech-api/speechapi.html#speechreco-section","status":"unoff","links":[{"url":"http://updates.html5rocks.com/2013/01/Voice-Driven-Web-Apps-Introduction-to-the-Web-Speech-API","title":"HTML5Rocks article"},{"url":"https://www.sitepoint.com/introducing-web-speech-api/","title":"SitePoint article"},{"url":"http://aurelio.audero.it/demo/web-speech-api-demo.html","title":"Demo"},{"url":"http://zenorocha.github.io/voice-elements/#recognition-element","title":"Advanced demo and resource"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n d #2","23":"n d #2","24":"n d #2","25":"n d #2","26":"n d #2","27":"n d #2","28":"n d #2","29":"n d #2","30":"n d #2","31":"n d #2","32":"n d #2","33":"n d #2","34":"n d #2","35":"n d #2","36":"n d #2","37":"n d #2","38":"n d #2","39":"n d #2","40":"n d #2","41":"n d #2","42":"n d #2","43":"n d #2","44":"n d #2","45":"n d #2","46":"n d #2","47":"n d #2","48":"n d #2","49":"n d #2","50":"n d #2","51":"n d #2","52":"n d #2","53":"n d #2","54":"n d #2","55":"n d #2","56":"n d #2","57":"n d #2","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"a x #1","54":"a x #1","55":"a x #1","56":"a x #1","57":"a x #1","58":"a x #1","59":"a x #1","60":"a x #1","61":"a x #1","62":"a x #1","63":"a x #1","64":"a x #1","65":"a x #1","66":"a x #1","67":"a x #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a x #1"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"a x #1","5":"a x #1","6.2":"a x #1"},"and_qq":{"1.2":"a x #1"},"baidu":{"7.12":"a x #1"}},"notes":"","notes_by_num":{"1":"Partial support refers to some attributes missing.","2":"Firefox currently has a `media.webspeech.recognition.enable` flag in about:config for this, but actual support is waiting for permissions to be sorted out.","3":"Reported to be in development for Samsung Internet for GearVR, due Q1/2017"},"usage_perc_y":0,"usage_perc_a":61.28,"ucprefix":false,"parent":"","keywords":"#web-speech,speechrecognition,ASR","ie_id":"webspeechapispeechrecognition","chrome_id":"5908775487668224","firefox_id":"webspeech-recognition","webkit_id":""},"high-resolution-time":{"title":"High Resolution Time API","description":"Method to provide the current time in sub-millisecond resolution and such that it is not subject to system clock skew or adjustments. Called using `performance.now()`","spec":"https://www.w3.org/TR/hr-time/","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Performance.now()","title":"MDN Web Docs - Performance.now"},{"url":"http://updates.html5rocks.com/2012/08/When-milliseconds-are-not-enough-performance-now","title":"HTML5Rocks article"},{"url":"https://www.sitepoint.com/discovering-the-high-resolution-time-api/","title":"SitePoint article"},{"url":"http://aurelio.audero.it/demo/high-resolution-time-api-demo.html","title":"Demo"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"y x","21":"y x","22":"y x","23":"y x","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":93.89,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"performance,now,testing","ie_id":"highresolutiontime","chrome_id":"5349124069130240","firefox_id":"","webkit_id":""},"battery-status":{"title":"Battery Status API","description":"Method to provide information about the battery status of the hosting device.","spec":"https://www.w3.org/TR/battery-status/","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/WebAPI/Battery_Status","title":"MDN Web Docs - battery status"},{"url":"http://pazguille.github.io/demo-battery-api/","title":"Simple demo"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n d","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"Firefox 52+ [removed access to this API due to privacy concerns.](https://bugzilla.mozilla.org/show_bug.cgi?id=1313580)","notes_by_num":{"1":"Partial support refers to support for the older specification's `navigator.battery` rather than `navigator.getBattery()` to access the `BatteryManager`."},"usage_perc_y":70.43,"usage_perc_a":0.25,"ucprefix":false,"parent":"","keywords":"navigator.battery,navigator.getbattery,batterymanager","ie_id":"batterystatusapi","chrome_id":"4537134732017664","firefox_id":"","webkit_id":"specification-battery-status-api"},"serviceworkers":{"title":"Service Workers","description":"Method that enables applications to take advantage of persistent background processing, including hooks to enable bootstrapping of web applications while offline.","spec":"https://slightlyoff.github.io/ServiceWorker/spec/service_worker/","status":"wd","links":[{"url":"https://www.html5rocks.com/en/tutorials/service-worker/introduction/","title":"HTML5Rocks article (introduction)"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/ServiceWorker_API","title":"MDN Web Docs - Service Workers"},{"url":"https://jakearchibald.github.io/isserviceworkerready/resources.html","title":"List of various resources"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n d #2","16":"n d #2","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"y","45":"y #3","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y #3","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"a","41":"a","42":"a","43":"a","44":"a","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"a","28":"a","29":"a","30":"a","31":"a","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"a"}},"notes":"Details on partial support can be found on [is ServiceWorker Ready?](https://jakearchibald.github.io/isserviceworkerready/)","notes_by_num":{"1":"Partial support can be enabled in Firefox with the `dom.serviceWorkers.enabled` flag.","2":"Available behind the \"Enable service workers\" flag","3":"Disabled on Firefox ESR, but can be re-enabled with the `dom.serviceWorkers.enabled` flag","4":"Can be enabled via the \"Experimental Features\" developer menu"},"usage_perc_y":74.54,"usage_perc_a":0.2,"ucprefix":false,"parent":"","keywords":"","ie_id":"serviceworker","chrome_id":"6561526227927040","firefox_id":"service-worker","webkit_id":"specification-service-workers"},"text-decoration":{"title":"text-decoration styling","description":"Method of defining the type, style and color of lines in the text-decoration property. These can be defined as shorthand (e.g. `text-decoration: line-through dashed blue`) or as single properties (e.g. `text-decoration-color: blue`)","spec":"https://www.w3.org/TR/css-text-decor-3/#line-decoration","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-decoration-style","title":"MDN Web Docs - text-decoration-style"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-decoration-color","title":"MDN Web Docs - text-decoration-color"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-decoration-line","title":"MDN Web Docs - text-decoration-line"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514536-text-decoration-styling","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-decoration-skip","title":"MDN Web Docs - text-decoration-skip"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=812990","title":"Firefox implementation bug"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"a x #4","7":"a x #4","8":"a x #4","9":"a x #4","10":"a x #4","11":"a x #4","12":"a x #4","13":"a x #4","14":"a x #4","15":"a x #4","16":"a x #4","17":"a x #4","18":"a x #4","19":"a x #4","20":"a x #4","21":"a x #4","22":"a x #4","23":"a x #4","24":"a x #4","25":"a x #4","26":"a x #4","27":"a x #4","28":"a x #4","29":"a x #4","30":"a x #4","31":"a x #4","32":"a x #4","33":"a x #4","34":"a x #4","35":"a x #4","36":"a #4","37":"a #4","38":"a #4","39":"a #4","40":"a #4","41":"a #4","42":"a #4","43":"a #4","44":"a #4","45":"a #4","46":"a #4","47":"a #4","48":"a #4","49":"a #4","50":"a #4","51":"a #4","52":"a #4","53":"a #4","54":"a #4","55":"a #4","56":"a #4","57":"a #4","58":"a #4","59":"a #4","60":"a #4","61":"a #4"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n x d #1","27":"n x d #1","28":"n x d #1","29":"n x d #1","30":"n x d #1","31":"n x d #1","32":"n x d #1","33":"n x d #1","34":"n x d #1","35":"n x d #1","36":"n x d #1","37":"n x d #1","38":"n x d #1","39":"n x d #1","40":"n x d #1","41":"n x d #1","42":"n x d #1","43":"n x d #1","44":"n x d #1","45":"n x d #1","46":"n x d #1","47":"n x d #1","48":"n x d #1","49":"n x d #1","50":"n x d #1","51":"n x d #1","52":"n x d #1","53":"n x d #1","54":"n x d #1","55":"n x d #1","56":"n x d #1","57":"a #5","58":"a #5","59":"a #5","60":"a #5","61":"a #5","62":"a #5","63":"a #5","64":"a #5","65":"a #5","66":"a #5","67":"a #5"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a x #2 #4","8":"a x #2 #3","9":"a x #2 #3","9.1":"a x #2 #3","10":"a x #2 #3","10.1":"a x #2 #3","11":"a x #2 #3","11.1":"a x #2 #3","TP":"a x #2 #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n x d #1","36":"n x d #1","37":"n x d #1","38":"n x d #1","39":"n x d #1","40":"n x d #1","41":"n x d #1","42":"n x d #1","43":"n x d #1","44":"a #5","45":"a #5","46":"a #5","47":"a #5","48":"a #5","49":"a #5","50":"a #5","51":"a #5","52":"a #5"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a x #2","8.1-8.4":"a x #2","9.0-9.2":"a x #2","9.3":"a x #2","10.0-10.2":"a x #2","10.3":"a x #2","11.0-11.2":"a x #2","11.3":"a x #2"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #5"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #5"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"All browsers support the CSS2 version of `text-decoration`, which matches only the `text-decoration-line` values (`underline`, etc.)","notes_by_num":{"1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags","2":"Partial support refers to not supporting the `text-decoration-style` property.","3":"Safari 8+ supports `-webkit-text-decoration-skip` with values `none` and `skip` (other values behave like `none` or `skip`)","4":"Partial support refers to not supporting the `text-decoration-skip` property.","5":"Partial support refers to `text-decoration-skip` only supporting value `objects` and `ink`."},"usage_perc_y":0.46,"usage_perc_a":81.84,"ucprefix":false,"parent":"","keywords":"text-decoration-line,text-decoration-style,text-decoration-color,text-decoration-skip","ie_id":"","chrome_id":"4896897575682048,5766823203045376","firefox_id":"","webkit_id":"specification-css-text-decoration-level-4"},"iframe-srcdoc":{"title":"srcdoc attribute for iframes","description":"Override the content specified in the `src` attribute (if present) with HTML content within the attribute.","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#attr-iframe-srcdoc","status":"ls","links":[{"url":"https://docs.webplatform.org/wiki/html/elements/iframe","title":"WebPlatform Docs"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe","title":"MDN Web Docs - iframe"},{"url":"https://github.com/jugglinmike/srcdoc-polyfill","title":"Srcdoc Polyfill"},{"url":"https://bocoup.com/weblog/third-party-javascript-development-future/","title":"Article"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p"},"edge":{"12":"p","13":"p","14":"p","15":"p","16":"p","17":"p"},"firefox":{"2":"n","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"p","5":"p","5.1":"p","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"p","11.5":"p","11.6":"p","12":"p","12.1":"p","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"p","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"p"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":89.04,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"iframesrcdocattribute","chrome_id":"5222955109842944","firefox_id":"","webkit_id":""},"speech-synthesis":{"title":"Speech Synthesis API","description":"A web API for controlling a text-to-speech output.","spec":"https://w3c.github.io/speech-api/speechapi.html#tts-section","status":"unoff","links":[{"url":"http://updates.html5rocks.com/2014/01/Web-apps-that-talk---Introduction-to-the-Speech-Synthesis-API","title":"HTML5Rocks article"},{"url":"https://www.sitepoint.com/talking-web-pages-and-the-speech-synthesis-api/","title":"SitePoint article"},{"url":"http://aurelio.audero.it/demo/speech-synthesis-api-demo.html","title":"Demo"},{"url":"http://zenorocha.github.io/voice-elements/","title":"Advanced demo and resource"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y #2","56":"y #2","57":"y #2","58":"y #2","59":"y #2","60":"y #2","61":"y #2","62":"y #2","63":"y #2","64":"y #2","65":"y #2","66":"y #2","67":"y #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"Samsung Internet for GearVR: In Development, release based on Chromium m53 due Q1/2017","notes_by_num":{"1":"Can be enabled in Firefox using the `media.webspeech.synth.enabled` about:config flag.","2":"Speech Synthesis in Chrome since version 55 stops playback after about 15 seconds on Windows 7 & 10, and Ubuntu 14.04, possibly other platforms"},"usage_perc_y":78.81,"usage_perc_a":0,"ucprefix":false,"parent":"web-speech","keywords":"speech,synthesis,speechSynthesis,TTS,SpeechSynthesisUtterance,","ie_id":"webspeechapisynthesis","chrome_id":"4782875580825600","firefox_id":"webspeech-synthesis","webkit_id":""},"user-timing":{"title":"User Timing API","description":"Method to help web developers measure the performance of their applications by giving them access to high precision timestamps.","spec":"https://www.w3.org/TR/user-timing/","status":"rec","links":[{"url":"https://www.sitepoint.com/discovering-user-timing-api/","title":"SitePoint article"},{"url":"https://www.html5rocks.com/en/tutorials/webperformance/usertiming/","title":"HTML5Rocks article"},{"url":"https://gist.github.com/pmeenan/5902672","title":"Polyfill"},{"url":"http://aurelio.audero.it/demo/user-timing-api-demo.html","title":"Demo"},{"url":"https://github.com/nicjansma/usertiming.js","title":"UserTiming.js polyfill"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":90.47,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"performance,testing,mark,measure","ie_id":"usertimingapi","chrome_id":"5066549580791808","firefox_id":"","webkit_id":"specification-user-timing-level-2"},"srcset":{"title":"Srcset and sizes attributes","description":"The `srcset` and `sizes` attributes on `img` (or `source`) elements allow authors to define various image resources and \"hints\" that assist a user agent to determine the most appropriate image source to display (e.g. high-resolution displays, small monitors, etc).","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#attr-img-srcset","status":"ls","links":[{"url":"https://www.webkit.org/blog/2910/improved-support-for-high-resolution-displays-with-the-srcset-image-attribute/","title":"Improved support for high-resolution displays with the srcset image attribute"},{"url":"https://ericportis.com/posts/2014/srcset-sizes/","title":"Blog post on srcset & sizes"},{"url":"https://developer.mozilla.org/en-US/docs/Learn/HTML/Multimedia_and_embedding/Responsive_images","title":"MDN: Responsive images"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img","title":"MDN: <img> element"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"a #2","13":"n #3","14":"n #3","15":"n #3","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a #2","8":"a #2","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #2","8.1-8.4":"a #2","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Can be enabled in Firefox by setting the about:config preference dom.image.srcset.enabled to true","2":"Supports the subset of the syntax for resolution switching (using the `x` descriptor), but not the full syntax that can be used with `sizes` (using the `w` descriptor).","3":"Intermittently displays distorted images due to bug present (see known issues)"},"usage_perc_y":88.38,"usage_perc_a":0.28,"ucprefix":false,"parent":"","keywords":"srcset attribute","ie_id":"imgsrcset","chrome_id":"4644337115725824","firefox_id":"","webkit_id":"feature-srcset-w-descriptor-and-related-sizes-attribute,feature-srcset-x-descriptor"},"ambient-light":{"title":"Ambient Light API","description":"Defines events that provide information about the ambient light level, as measured by a device's light sensor.","spec":"https://www.w3.org/TR/ambient-light/","status":"cr","links":[{"url":"http://aurelio.audero.it/demo/ambient-light-api-demo.html","title":"Demo"},{"url":"http://modernweb.com/2014/05/27/introduction-to-the-ambient-light-api/","title":"Article"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Ambient_Light_Sensor_API","title":"MDN Web Docs - Ambient Light Sensor"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Ambient_Light_Events","title":"MDN Web Docs - Ambient Light Events"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2","62":"n d #2","63":"n d #2","64":"n d #2","65":"n d #2","66":"n d #2","67":"n d #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support in desktop Firefox refers to support being limited to Mac OS X. [Support for Windows 7 is in progress](https://bugzilla.mozilla.org/show_bug.cgi?id=754199)","2":"Available by enabling the \"Experimental Web Platform Features\" experimental flag in `about:flags`"},"usage_perc_y":2.22,"usage_perc_a":5.03,"ucprefix":false,"parent":"","keywords":"","ie_id":"ambientlightsensorapi","chrome_id":"5298357018820608","firefox_id":"","webkit_id":""},"will-change":{"title":"CSS will-change property","description":"Method of optimizing animations by informing the browser which elements will change and what properties will change.","spec":"https://drafts.csswg.org/css-will-change/","status":"wd","links":[{"url":"https://dev.opera.com/articles/css-will-change-property/","title":"Detailed article"},{"url":"https://aerotwist.com/blog/bye-bye-layer-hacks/","title":"Blog post"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/will-change","title":"MDN Web Docs - will-change"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supported in Firefox behind the `layout.css.will-change.enabled` flag"},"usage_perc_y":87.1,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"scroll-position","ie_id":"csswillchange","chrome_id":"5954199330226176","firefox_id":"","webkit_id":"specification-css-will-change"},"css-shapes":{"title":"CSS Shapes Level 1","description":"Allows geometric shapes to be set in CSS to define an area for text to flow around.","spec":"https://www.w3.org/TR/css-shapes/","status":"cr","links":[{"url":"http://alistapart.com/article/css-shapes-101","title":"A List Apart article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1040714","title":"Firefox tracking bug"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n d #1","35":"n d #1","36":"n d #1","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags"},"usage_perc_y":81.99,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"circle,ellipse,polygon,inset,shape-outside,shape-inside","ie_id":"shapes","chrome_id":"5163890719588352","firefox_id":"css-shapes","webkit_id":"feature-css-shapes-level-1"},"domcontentloaded":{"title":"DOMContentLoaded","description":"JavaScript event that fires when the DOM is loaded, but before all page assets are loaded (CSS, images, etc.).","spec":"https://html.spec.whatwg.org/multipage/syntax.html#stop-parsing","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Reference/Events/DOMContentLoaded","title":"MDN Web Docs - DOMContentLoaded"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.99,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"dom,domready,onload,contentloaded,document","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"proximity":{"title":"Proximity API","description":"Defines events that provide information about the distance between a device and an object, as measured by a proximity sensor.","spec":"https://www.w3.org/TR/proximity/","status":"cr","links":[{"url":"http://aurelio.audero.it/demo/proximity-api-demo.html","title":"Demo"},{"url":"https://www.sitepoint.com/introducing-proximity-api/","title":"SitePoint article"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":5.52,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"kerning-pairs-ligatures":{"title":"Improved kerning pairs & ligatures","description":"Currently non-standard method of improving kerning pairs & ligatures using `text-rendering: optimizeLegibility`.","spec":"https://www.w3.org/TR/SVG11/painting.html#TextRenderingProperty","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-rendering","title":"MDN Web Docs - CSS text-rendering"},{"url":"https://css-tricks.com/almanac/properties/t/text-rendering/","title":"CSS Tricks article"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support in Android browser versions is due to a serious bug where `text-rendering: optimizeLegibility` causes custom web fonts to not render."},"usage_perc_y":89.47,"usage_perc_a":0.29,"ucprefix":false,"parent":"","keywords":"optimizeLegibility,optimizeSpeed,geometricPrecision","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"iframe-seamless":{"title":"seamless attribute for iframes","description":"The seamless attribute makes an iframe's contents actually part of a page, and adopts the styles from its hosting page. The attribute has been removed from both [the WHATWG](https://github.com/whatwg/html/issues/331) and [the W3C](https://github.com/w3c/html/pull/325) HTML5 specifications.","spec":"https://www.w3.org/TR/2011/WD-html5-20110525/the-iframe-element.html#attr-iframe-seamless","status":"unoff","links":[{"url":"https://github.com/ornj/seamless-polyfill","title":"Experimental polyfill"},{"url":"http://labs.ft.com/2013/01/seamless-iframes-not-quite-seamless/","title":"Article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=631218","title":"Bug on Firefox support: wontfix"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6261330-iframe-seamless-attribute","title":"Microsoft Edge Developer UserVoice: No plans"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n d","21":"n d","22":"n d","23":"n d","24":"n d","25":"n d","26":"n d","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n #1","7.1":"n #1","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n #1","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Chrome 20-26 had partial support behind a flag, though this was [later removed](https://bugs.chromium.org/p/chromium/issues/detail?id=229421).","notes_by_num":{"1":"Hides the border of seamless iframes and recognizes the 'seamless' DOM property, but does not provide actual support."},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"iframeseamlessattribute","chrome_id":"6630329993396224","firefox_id":"","webkit_id":""},"css-image-orientation":{"title":"CSS3 image-orientation","description":"CSS property used generally to fix the intended orientation of an image. This can be done using 90 degree increments or based on the image's EXIF data using the \"from-image\" value.","spec":"https://www.w3.org/TR/css3-images/#image-orientation","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/image-orientation","title":"MDN Web Docs - CSS image-orientation"},{"url":"http://sethfowler.org/blog/2013/09/13/new-in-firefox-26-css-image-orientation/","title":"Blog post"},{"url":"http://jsbin.com/EXUTolo/4","title":"Demo (Chinese)"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=158753","title":"Chromium bug #158753: Support for the CSS image-orientation CSS property"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Opening the image in a new tab in Chrome results in the image shown in the orientation according to the EXIF data.","notes_by_num":{"1":"Partial support in iOS refers to the browser using EXIF data by default, though it does not actually support the property."},"usage_perc_y":5.46,"usage_perc_a":10.15,"ucprefix":false,"parent":"","keywords":"image-orientation,from-image,flip","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"picture":{"title":"Picture element","description":"A responsive images method to control which image resource a user agent presents to a user, based on resolution, media query and/or support for a particular image format","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#the-picture-element","status":"ls","links":[{"url":"http://responsiveimages.org/demos/","title":"Demo"},{"url":"https://code.tutsplus.com/tutorials/better-responsive-images-with-the-picture-element--net-36583","title":"Tutorial"},{"url":"http://usecases.responsiveimages.org/","title":"Read about the use cases"},{"url":"http://responsiveimages.org/","title":"General information about Responsive Images"},{"url":"https://dev.opera.com/articles/responsive-images/","title":"Blog post on usage"},{"url":"https://www.html5rocks.com/tutorials/responsive/picture-element/","title":"HTML5 Rocks tutorial"},{"url":"https://github.com/scottjehl/picturefill","title":"Picturefill - polyfill for picture, srcset, sizes, and more"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n d #3","35":"n d #3","36":"n d #3","37":"n d #3","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n d #1","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n d #2","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags","2":"Enabled in Opera through the \"experimental Web Platform features\" flag in opera://flags","3":"Enabled in Firefox by setting the about:config preference dom.image.picture.enable to true"},"usage_perc_y":88.85,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"<picture>","ie_id":"pictureelement","chrome_id":"5910974510923776","firefox_id":"","webkit_id":"feature-picture-element"},"woff2":{"title":"WOFF 2.0 - Web Open Font Format","description":"TrueType/OpenType font that provides better compression than WOFF 1.0.","spec":"https://www.w3.org/TR/WOFF2/","status":"cr","links":[{"url":"https://gist.github.com/sergejmueller/cf6b4f2133bcb3e2f64a","title":"Basics about WOFF 2.0"},{"url":"http://everythingfonts.com/ttf-to-woff2","title":"WOFF 2.0 converter"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supported only on Safari for Mac OS Sierra, not El Capitan & older."},"usage_perc_y":77.58,"usage_perc_a":2.07,"ucprefix":false,"parent":"fontface","keywords":"woff, fontface, webfonts","ie_id":"wofffileformat20","chrome_id":"6718644721549312","firefox_id":"","webkit_id":"specification-woff-file-format-2.0"},"text-size-adjust":{"title":"CSS text-size-adjust","description":"On mobile devices, the text-size-adjust CSS property allows Web authors to control if and how the text-inflating algorithm is applied to the textual content of the element it is applied to.","spec":"https://drafts.csswg.org/css-size-adjust/","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-size-adjust","title":"MDN Web Docs - text-size-adjust"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1226116","title":"Mozilla Bug\u00a0#1226116: Unprefix -moz-text-size-adjust"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n #2","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n #2","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"n","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y x"},"ie_mob":{"10":"y x #1","11":"y x #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"If the viewport size is set using a `<meta>` element, the `-ms-text-size-adjust` property is ignored. See [MSDN](https://msdn.microsoft.com/en-us/library/ie/dn793579%28v=vs.85%29.aspx)","2":"Old versions of WebKit-based desktop browsers (Chrome<27, Safari<6) [suffer from a bug](https://bugs.webkit.org/show_bug.cgi?id=56543) where if `-webkit-text-size-adjust` is explicitly set to `none`, instead of ignoring the property, the browsers will prevent the user from zooming in or out on the webpage."},"usage_perc_y":77.65,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5730156303876096","firefox_id":"","webkit_id":""},"web-animation":{"title":"Web Animations API","description":"Lets you create animations that are run in the browser and as well as inspect and manipulate animations created through declarative means like CSS.","spec":"http://w3c.github.io/web-animations/","status":"wd","links":[{"url":"http://updates.html5rocks.com/2014/05/Web-Animations---element-animate-is-now-in-Chrome-36","title":"HTML5 Rocks"},{"url":"http://updates.html5rocks.com/2013/12/New-Web-Animations-engine-in-Blink-drives-CSS-Animations-Transitions","title":"HTML5 Rocks"},{"url":"https://birtles.github.io/areweanimatedyet/","title":"Current Firefox status"},{"url":"https://github.com/web-animations/web-animations-js","title":"Polyfill"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"a d #3","34":"a d #3","35":"a d #3","36":"a d #3","37":"a d #3","38":"a d #3","39":"a d #3","40":"a d #3","41":"a d #3","42":"a d #3","43":"a d #3","44":"a d #3","45":"a d #3","46":"a d #3","47":"a #3","48":"a #3","49":"a #3","50":"a #3","51":"a #3","52":"a #3","53":"a #3","54":"a #3","55":"a #3","56":"a #3","57":"a #3","58":"a #3","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"a #1","37":"a #1","38":"a #1","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #2","60":"a #2","61":"a #2","62":"a #2","63":"a #2","64":"a #2","65":"a #2","66":"a #2","67":"a #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n d #4","11.1":"n d #4","TP":"n d #4"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"a #1","24":"a #1","25":"a #1","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"a #2","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n d #4","11.3":"n d #4"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #2"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #2"},"and_chr":{"64":"a #2"},"and_ff":{"57":"a #3"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #2"},"samsung":{"4":"a #2","5":"a #2","6.2":"a #2"},"and_qq":{"1.2":"a #2"},"baidu":{"7.12":"a #2"}},"notes":"","notes_by_num":{"1":"Partial support refers to basic support of `element.animate()`","2":"Partial support refers to basic support of `element.animate()` and [playback control of AnimationPlayer](https://www.chromestatus.com/features/5633748733263872)","3":"Partial support in Firefox is detailed in [Are we animated yet?](https://birtles.github.io/areweanimatedyet/)","4":"Can be enabled via the \"Experimental Features\" developer menu"},"usage_perc_y":0.02,"usage_perc_a":74.98,"ucprefix":false,"parent":"","keywords":"animate,play,pause,reverse,finish,currentTime,startTime,playbackRate,playState","ie_id":"webanimationsjavascriptapi","chrome_id":"4854343836631040,5633748733263872","firefox_id":"web-animations","webkit_id":"specification-web-animations"},"resource-timing":{"title":"Resource Timing","description":"Method to help web developers to collect complete timing information related to resources on a document.","spec":"https://www.w3.org/TR/resource-timing/","status":"cr","links":[{"url":"http://aurelio.audero.it/demo/resource-timing-api-demo.html","title":"Demo"},{"url":"http://googledevelopers.blogspot.com/2013/12/measuring-network-performance-with.html","title":"Blog post"},{"url":"https://www.sitepoint.com/introduction-resource-timing-api/","title":"SitePoint article"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"a #2","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Can be enabled in Firefox using the dom.enable_resource_timing flag","2":"Partial support in Safari refers to being limited to OSX 10.12+"},"usage_perc_y":89.01,"usage_perc_a":1.49,"ucprefix":false,"parent":"","keywords":"performance,testing,resource","ie_id":"resourcetimingapi","chrome_id":"5796350423728128","firefox_id":"","webkit_id":"specification-resource-timing-level-2"},"custom-elements":{"title":"Custom Elements v0","description":"Method of defining new HTML tags.","spec":"https://www.w3.org/TR/custom-elements/","status":"wd","links":[{"url":"http://w3c.github.io/webcomponents/spec/custom/","title":"W3C Editor's Draft spec (closer to current implementations)"},{"url":"https://www.polymer-project.org/platform/custom-elements.html","title":"Polymer project (polyfill & web components framework)"},{"url":"https://www.html5rocks.com/tutorials/webcomponents/customelements/","title":"HTML5Rocks - Custom Elements: defining new elements in HTML"},{"url":"https://code.google.com/p/chromium/issues/detail?id=234509","title":"Chromium tracking bug: Implement Custom Elements"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=889230","title":"Firefox tracking bug: Implement Custom Elements (from Web Components)"},{"url":"http://status.modern.ie/customelements","title":"IE Web Platform Status and Roadmap: Custom Elements"},{"url":"https://github.com/WebReflection/document-register-element","title":"document.registerElement polyfill in 3KB minified & gzipped"},{"url":"https://developers.google.com/web/fundamentals/primers/customelements/","title":"Google Developers - Custom elements v1: reusable web components"},{"url":"https://github.com/webcomponents/webcomponentsjs/tree/v1/src/CustomElements/v1","title":"customElements.define polyfill (supersedes document.registerElement)"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"p","11":"p"},"edge":{"12":"p","13":"p","14":"p","15":"p","16":"p","17":"p"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n d #1","24":"n d #1","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"p d #1","31":"p d #1","32":"p d #1","33":"p d #1","34":"p d #1","35":"p d #1","36":"p d #1","37":"p d #1","38":"p d #1","39":"p d #1","40":"p d #1","41":"p d #1","42":"p d #1","43":"p d #1","44":"p d #1","45":"p d #1","46":"p d #1","47":"p d #1","48":"p d #1","49":"p d #1","50":"p d #1","51":"p d #1","52":"p d #1","53":"p d #1","54":"p d #1","55":"p d #1","56":"p d #1","57":"p d #1","58":"p d #1","59":"p d #1","60":"p d #1","61":"p d #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n d","28":"n d","29":"n d","30":"n d","31":"n d","32":"n d","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"p","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"p","11":"p","11.1":"p","TP":"p"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n d","16":"n d","17":"n d","18":"n d","19":"n d","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"p","8":"p","8.1-8.4":"p","9.0-9.2":"p","9.3":"p","10.0-10.2":"p","10.3":"p","11.0-11.2":"p","11.3":"p"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"p d #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Enabled through the \"dom.webcomponents.enabled\" preference in about:config"},"usage_perc_y":70.05,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web components,registerElement","ie_id":"customelements","chrome_id":"4642138092470272","firefox_id":"custom-elements","webkit_id":"feature-custom-elements"},"imports":{"title":"HTML Imports","description":"Method of including and reusing HTML documents in other HTML documents.","spec":"https://www.w3.org/TR/html-imports/","status":"wd","links":[{"url":"https://www.polymer-project.org/platform/html-imports.html","title":"Polymer project (polyfill & web components framework)"},{"url":"https://www.html5rocks.com/tutorials/webcomponents/imports/","title":"HTML5Rocks - HTML Imports: #include for the web"},{"url":"https://code.google.com/p/chromium/issues/detail?id=240592","title":"Chromium tracking bug: Implement HTML Imports"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=877072","title":"Firefox tracking bug: Implement HTML Imports"},{"url":"http://status.modern.ie/htmlimports","title":"IE Web Platform Status and Roadmap: HTML Imports"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"p","11":"p"},"edge":{"12":"p","13":"p","14":"p","15":"p","16":"p","17":"p"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"p","31":"p","32":"p d #1","33":"p d #1","34":"p d #1","35":"p d #1","36":"p d #1","37":"p d #1","38":"p d #1","39":"p d #1","40":"p d #1","41":"p d #1","42":"p d #1","43":"p d #1","44":"p d #1","45":"p d #1","46":"p d #1","47":"p d #1","48":"p d #1","49":"p d #1","50":"p d #1","51":"p d #1","52":"p d #1","53":"p d #1","54":"p d #1","55":"p d #1","56":"p d #1","57":"p d #1","58":"p d #1","59":"p d #1","60":"p d #1","61":"p d #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n d #2","31":"n d #2","32":"n d #2","33":"n d #2","34":"n d #2","35":"p d #3","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"p","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"p","11":"p","11.1":"p","TP":"p"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n d #4","18":"n d #4","19":"n d #4","20":"n d #4","21":"n d #4","22":"p d #5","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"p","8":"p","8.1-8.4":"p","9.0-9.2":"p","9.3":"p","10.0-10.2":"p","10.3":"p","11.0-11.2":"p","11.3":"p"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"p"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Firefox [has no plans to support HTML imports](https://hacks.mozilla.org/2014/12/mozilla-and-web-components/) though for now it can be enabled through the \"dom.webcomponents.enabled\" preference in about:config","2":"Enabled through the \"Enable HTML Imports\" flag in chrome://flags","3":"Enabled through the \"Experimental Web Platform features\" flag in chrome://flags","4":"Enabled through the \"Enable HTML Imports\" flag in opera://flags","5":"Enabled through the \"Experimental Web Platform features\" flag in opera://flags"},"usage_perc_y":69.58,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web components","ie_id":"htmlimports","chrome_id":"5144752345317376","firefox_id":"html-imports","webkit_id":"feature-html-imports"},"input-file-multiple":{"title":"Multiple file selection","description":"Allows users to select multiple files in the file picker.","spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-input-multiple","status":"ls","links":[{"url":"https://code.google.com/p/chromium/issues/detail?id=348912","title":"Chrome bug (for Android)"},{"url":"http://www.raymondcamden.com/2012/2/28/Working-with-HTML5s-multiple-file-upload-support","title":"Article"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n #1"},"android":{"2.1":"n #1","2.2":"n #1","2.3":"n #1","3":"n #1","4":"n #1","4.1":"n #1","4.2-4.3":"n #1","4.4":"n #1","4.4.3-4.4.4":"n #1","62":"n #1"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n #1","11":"n #1","11.1":"n #1","11.5":"n #1","12":"n #1","12.1":"n #1","37":"n #1"},"and_chr":{"64":"a #1"},"and_ff":{"57":"n #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n #1"},"samsung":{"4":"n #1","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"a #1"}},"notes":"","notes_by_num":{"1":"Not supported on Android 4.x and below, presumably an OS limitation. Only seems to work in Android 5.x for the Chrome browser."},"usage_perc_y":51.81,"usage_perc_a":31.31,"ucprefix":false,"parent":"forms","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"atob-btoa":{"title":"Base64 encoding and decoding","description":"Utility functions for of encoding and decoding strings to and from base 64: window.atob() and window.btoa().","spec":"https://html.spec.whatwg.org/multipage/webappapis.html#atob","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Window.btoa","title":"MDN Web Docs - btoa()"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Window.atob","title":"MDN Web Docs - atob()"},{"url":"https://github.com/davidchambers/Base64.js","title":"Polyfill"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"u","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"u","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.85,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"atob,btoa","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-appearance":{"title":"CSS Appearance","description":"The `appearance` property defines how elements (particularly form controls) appear by default. By setting the value to `none` the default appearance can be entirely redefined using other CSS properties.","spec":"https://drafts.csswg.org/css-ui-4/#appearance-switching","status":"wd","links":[{"url":"https://css-tricks.com/almanac/properties/a/appearance/","title":"CSS Tricks article"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"a #1 #2","13":"a #1 #2","14":"a #1 #2","15":"a #1 #2","16":"a #1 #2","17":"a #1 #2"},"firefox":{"2":"a x #1 #3","3":"a x #1 #3","3.5":"a x #1 #3","3.6":"a x #1 #3","4":"a x #1 #3","5":"a x #1 #3","6":"a x #1 #3","7":"a x #1 #3","8":"a x #1 #3","9":"a x #1 #3","10":"a x #1 #3","11":"a x #1 #3","12":"a x #1 #3","13":"a x #1 #3","14":"a x #1 #3","15":"a x #1 #3","16":"a x #1 #3","17":"a x #1 #3","18":"a x #1 #3","19":"a x #1 #3","20":"a x #1 #3","21":"a x #1 #3","22":"a x #1 #3","23":"a x #1 #3","24":"a x #1 #3","25":"a x #1 #3","26":"a x #1 #3","27":"a x #1 #3","28":"a x #1 #3","29":"a x #1 #3","30":"a x #1 #3","31":"a x #1 #3","32":"a x #1 #3","33":"a x #1 #3","34":"a x #1 #3","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"a x #1","54":"a x #1","55":"a x #1","56":"a x #1","57":"a x #1","58":"a x #1","59":"a x #1","60":"a x #1","61":"a x #1"},"chrome":{"4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"a x #1","54":"a x #1","55":"a x #1","56":"a x #1","57":"a x #1","58":"a x #1","59":"a x #1","60":"a x #1","61":"a x #1","62":"a x #1","63":"a x #1","64":"a x #1","65":"a x #1","66":"a x #1","67":"a x #1"},"safari":{"3.1":"a x #1","3.2":"a x #1","4":"a x #1","5":"a x #1","5.1":"a x #1","6":"a x #1","6.1":"a x #1","7":"a x #1","7.1":"a x #1","8":"a x #1","9":"a x #1","9.1":"a x #1","10":"a x #1","10.1":"a x #1","11":"a x #1","11.1":"a x #1","TP":"a x #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1"},"ios_saf":{"3.2":"a x #1","4.0-4.1":"a x #1","4.2-4.3":"a x #1","5.0-5.1":"a x #1","6.0-6.1":"a x #1","7.0-7.1":"a x #1","8":"a x #1","8.1-8.4":"a x #1","9.0-9.2":"a x #1","9.3":"a x #1","10.0-10.2":"a x #1","10.3":"a x #1","11.0-11.2":"a x #1","11.3":"a x #1"},"op_mini":{"all":"n"},"android":{"2.1":"a x #1","2.2":"a x #1","2.3":"a x #1","3":"a x #1","4":"a x #1","4.1":"a x #1","4.2-4.3":"a x #1","4.4":"a x #1","4.4.3-4.4.4":"a x #1","62":"a x #1"},"bb":{"7":"a x #1","10":"a x #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x #1"},"and_chr":{"64":"a x #1"},"and_ff":{"57":"a x #1"},"ie_mob":{"10":"n","11":"a #1 #2"},"and_uc":{"11.8":"a x #1"},"samsung":{"4":"a x #1","5":"a x #1","6.2":"a x #1"},"and_qq":{"1.2":"a x #1"},"baidu":{"7.12":"a x #1"}},"notes":"","notes_by_num":{"1":"The appearance property is supported with the `none` value, but not `auto`. WebKit, Blink, and Gecko browsers also support additional vendor specific values.","2":"Microsoft Edge and IE Mobile support this property with the `-webkit-` prefix, rather than `-ms-` for interop reasons.","3":"-moz-appearance:none doesn't remove the dropdown arrow in select tag"},"usage_perc_y":0,"usage_perc_a":91.83,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"objectrtc":{"title":"Object RTC (ORTC) API for WebRTC","description":"Enables mobile endpoints to talk to servers and web browsers with Real-Time Communications (RTC) capabilities via native and simple JavaScript APIs","spec":"https://www.w3.org/community/ortc/","status":"other","links":[{"url":"http://blogs.msdn.com/b/ie/archive/2014/10/27/bringing-interoperable-real-time-communications-to-the-web.aspx","title":"Bringing Interoperable Real-Time Communications to the Web"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"ORTC is often dubbed WebRTC 1.1. It is possible to make ORTC communicate with WebRTC 1.0 endpoints. See [WebRTC 1.0](https://caniuse.com/#feat=rtcpeerconnection) for support details for that API.","notes_by_num":{},"usage_perc_y":1.8,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"RTC,WebRTC,ORTC,ObjectRTC,RTCIceTransport,RTCIceGatherer,RTCRtpSender,RTCRtpReceiver,Real Time,video,webcam","ie_id":"webrtcobjectrtcapi","chrome_id":"","firefox_id":"","webkit_id":""},"css-background-offsets":{"title":"CSS background-position edge offsets","description":"Allows CSS background images to be positioned relative to the specified edge using the 3 to 4 value syntax. For example: `background-position: right 5px bottom 5px;` for positioning 5px from the bottom-right corner.","spec":"https://www.w3.org/TR/css3-background/#background-position","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/background-position","title":"MDN Web Docs - background-position"},{"url":"http://briantree.se/quick-tip-06-use-four-value-syntax-properly-position-background-images/","title":"Basic information"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.19,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"4 value syntax","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-supports-api":{"title":"CSS.supports() API","description":"The CSS.supports() static methods returns a Boolean value indicating if the browser supports a given CSS feature, or not.","spec":"https://drafts.csswg.org/css-conditional/#the-css-interface","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/CSS.supports","title":"MDN Web Docs - CSS supports()"},{"url":"http://jsbin.com/rimevilotari/1/edit","title":"Demo (Chinese)"},{"url":"https://dev.opera.com/articles/native-css-feature-detection/","title":"Native CSS Feature Detection via the @supports Rule"},{"url":"https://davidwalsh.name/css-supports","title":"CSS @supports"},{"url":"http://blog.csdn.net/hfahe/article/details/8619480","title":"Article (Chinese)"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n d","21":"n d","22":"n d","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"See also [@supports in CSS](#feat=css-featurequeries)","notes_by_num":{"1":"Partial support in Presto-based Opera browsers refers to using an older API (`window.supportsCSS`)"},"usage_perc_y":90.49,"usage_perc_a":3.02,"ucprefix":false,"parent":"","keywords":"conditional","ie_id":"conditionalrules","chrome_id":"4993981813358592","firefox_id":"","webkit_id":""},"css-touch-action":{"title":"CSS touch-action property","description":"touch-action is a CSS property that controls filtering of gesture events, providing developers with a declarative mechanism to selectively disable touch scrolling (in one or both axes) or double-tap-zooming.","spec":"https://www.w3.org/TR/pointerevents/#the-touch-action-css-property","status":"rec","links":[{"url":"http://msdn.microsoft.com/en-us/library/windows/apps/hh767313.aspx","title":"MSDN Docs"},{"url":"http://updates.html5rocks.com/2013/12/300ms-tap-delay-gone-away","title":"300ms tap delay, gone away"},{"url":"http://blogs.telerik.com/appbuilder/posts/13-11-21/what-exactly-is.....-the-300ms-click-delay","title":"What Exactly Is..... The 300ms Click Delay"},{"url":"http://thx.github.io/mobile/300ms-click-delay/","title":"What Exactly Is..... The 300ms Click Delay (Chinese)"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/touch-action","title":"MDN Web Docs - CSS touch-action"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=149854","title":"WebKit bug 149854: Implement touch-action: manipulation; for iOS"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=133112","title":"WebKit bug 133112: touch-action CSS property support"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y x #2","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"y #4","53":"y #4","54":"y #4","55":"y #4","56":"y #4","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"a #3","10.0-10.2":"a #3","10.3":"a #3","11.0-11.2":"a #3","11.3":"a #3"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y x #2","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supported in Firefox behind the `layout.css.touch_action.enabled` flag, Firefox for Windows 8 Touch ('Metro') enabled by default.","2":"IE10+ has already supported these property which are not in standard at present such as `double-tap-zoom`, `cross-slide-x`, `cross-slide-y`.","3":"iOS Safari only supports `auto` and `manipulation`.","4":"Not applicable to Firefox platforms that support neither pointer nor touch events."},"usage_perc_y":79.4,"usage_perc_a":9.84,"ucprefix":false,"parent":"","keywords":"touch action","ie_id":"csstouchaction","chrome_id":"5912074022551552","firefox_id":"","webkit_id":""},"autofocus":{"title":"Autofocus attribute","description":"Allows a form field to be immediately focused on page load.","spec":"https://html.spec.whatwg.org/multipage/forms.html#autofocusing-a-form-control:-the-autofocus-attribute","status":"ls","links":[{"url":"https://davidwalsh.name/autofocus","title":"Article on autofocus"},{"url":"https://developer.mozilla.org/en/docs/Web/HTML/Element/input#attr-autofocus","title":"MDN Web Docs - autofocus attribute"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"While not supported in iOS Safari, it does work in iOS WebViews.","notes_by_num":{},"usage_perc_y":76.18,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-clip-path":{"title":"CSS clip-path property (for HTML)","description":"Method of defining the visible region of an HTML element using SVG or a shape definition.","spec":"https://www.w3.org/TR/css-masking-1/#the-clip-path","status":"cr","links":[{"url":"https://css-tricks.com/almanac/properties/c/clip/","title":"CSS Tricks article"},{"url":"https://codepen.io/dubrod/details/myNNyW/","title":"Codepen Example Clipping an Image with a Polygon"},{"url":"http://lab.iamvdo.me/css-svg-masks","title":"Visual test cases"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1 #3","48":"a #1 #3","49":"a #1 #3","50":"a #1 #3","51":"a #1 #3","52":"a #1 #3","53":"a #1 #3","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"a x #2","25":"a x #2","26":"a x #2","27":"a x #2","28":"a x #2","29":"a x #2","30":"a x #2","31":"a x #2","32":"a x #2","33":"a x #2","34":"a x #2","35":"a x #2","36":"a x #2","37":"a x #2","38":"a x #2","39":"a x #2","40":"a x #2","41":"a x #2","42":"a x #2","43":"a x #2","44":"a x #2","45":"a x #2","46":"a x #2","47":"a x #2","48":"a x #2","49":"a x #2","50":"a x #2","51":"a x #2","52":"a x #2","53":"a x #2","54":"a x #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #2","60":"a #2","61":"a #2","62":"a #2","63":"a #2","64":"a #2","65":"a #2","66":"a #2","67":"a #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"a x #2","7.1":"a x #2","8":"a x #2","9":"a x #2","9.1":"a x #2","10":"a x #2","10.1":"a x #2","11":"a x #2","11.1":"a x #2","TP":"a x #2"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x #2","16":"a x #2","17":"a x #2","18":"a x #2","19":"a x #2","20":"a x #2","21":"a x #2","22":"a x #2","23":"a x #2","24":"a x #2","25":"a x #2","26":"a x #2","27":"a x #2","28":"a x #2","29":"a x #2","30":"a x #2","31":"a x #2","32":"a x #2","33":"a x #2","34":"a x #2","35":"a x #2","36":"a x #2","37":"a x #2","38":"a x #2","39":"a x #2","40":"a x #2","41":"a x #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"a x #2","8":"a x #2","8.1-8.4":"a x #2","9.0-9.2":"a x #2","9.3":"a x #2","10.0-10.2":"a x #2","10.3":"a x #2","11.0-11.2":"a x #2","11.3":"a x #2"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a x #2","4.4.3-4.4.4":"a x #2","62":"a #2"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x #2"},"and_chr":{"64":"a #2"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a x #2"},"samsung":{"4":"a x #2","5":"a x #2","6.2":"a x #2"},"and_qq":{"1.2":"a x #2"},"baidu":{"7.12":"a #2"}},"notes":"Support refers to the `clip-path` CSS property on HTML elements specifically. Support for `clip-path` in SVG is supported in all browsers with [basic SVG](#feat=svg) support.","notes_by_num":{"1":"Partial support refers to only supporting the `url()` syntax.","2":"Partial support refers to supporting shapes and the `url(#foo)` syntax for inline SVG, but not shapes in external SVGs.","3":"Supports shapes behind the `layout.css.clip-path-shapes.enabled` flag"},"usage_perc_y":4.4,"usage_perc_a":84.67,"ucprefix":false,"parent":"css-masks","keywords":"clippath","ie_id":"","chrome_id":"","firefox_id":"css-clip-path","webkit_id":""},"getrandomvalues":{"title":"crypto.getRandomValues()","description":"Method of generating cryptographically random values.","spec":"https://www.w3.org/TR/WebCryptoAPI/#RandomSource-method-getRandomValues","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/window.crypto.getRandomValues","title":"MDN Web Docs - crypto.getRandomValues"}],"categories":["JS API","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y x"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y x"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":93.93,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"screen-orientation":{"title":"Screen Orientation","description":"Provides the ability to read the screen orientation state, to be informed when this state changes, and to be able to lock the screen orientation to a specific state.","spec":"https://www.w3.org/TR/screen-orientation/","status":"wd","links":[{"url":"http://aurelio.audero.it/demo/screen-orientation-api-demo.html","title":"Demo"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Screen.orientation","title":"MDN Web Docs - Screen Orientation"},{"url":"https://www.sitepoint.com/introducing-screen-orientation-api/","title":"SitePoint article"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a x"},"edge":{"12":"a x","13":"a x","14":"a x","15":"a x","16":"a x","17":"a x"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"a x","19":"a x","20":"a x","21":"a x","22":"a x","23":"a x","24":"a x","25":"a x","26":"a x","27":"a x","28":"a x","29":"a x","30":"a x","31":"a x","32":"a x","33":"a x","34":"a x","35":"a x","36":"a x","37":"a x","38":"a x","39":"a x","40":"a x","41":"a x","42":"a x","43":"a x","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"a x"},"and_uc":{"11.8":"y"},"samsung":{"4":"u","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"Partial support refers to an [older version](https://www.w3.org/TR/2014/WD-screen-orientation-20140220/) of the draft specification, and the spec has undergone significant changes since, for example renaming the `screen.lockOrientation` method to `screen.orientation.lock`.","notes_by_num":{},"usage_perc_y":73.72,"usage_perc_a":5.06,"ucprefix":false,"parent":"","keywords":"lockorientation,unlockorientation","ie_id":"screenorientationapi","chrome_id":"6191285283061760","firefox_id":"screen-orientation","webkit_id":""},"font-loading":{"title":"CSS Font Loading","description":"This CSS module defines a scripting interface to font faces in CSS, allowing font faces to be easily created and loaded from script. It also provides methods to track the loading status of an individual font, or of all the fonts on an entire page.","spec":"https://www.w3.org/TR/css-font-loading-3/","status":"wd","links":[{"url":"https://www.igvita.com/2014/01/31/optimizing-web-font-rendering-performance/#font-load-events","title":"Optimizing with font load events"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6509785-css-font-loading","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS3","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Can be enabled in Firefox using the `layout.css.font-loading-api.enabled` flag. Enabled by default in Firefox 41. See [this bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1149381)"},"usage_perc_y":86.4,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"fontface,fontfaceset,fontfacesource","ie_id":"","chrome_id":"6244676289953792","firefox_id":"","webkit_id":""},"font-unicode-range":{"title":"Font unicode-range subsetting","description":"This @font-face descriptor defines the set of Unicode codepoints that may be supported by the font face for which it is declared. The descriptor value is a comma-delimited list of Unicode range (<urange>) values. The union of these ranges defines the set of codepoints that serves as a hint for user agents when deciding whether or not to download a font resource for a given text run.","spec":"https://drafts.csswg.org/css-fonts/#unicode-range-desc","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/unicode-range","title":"MDN Web Docs - CSS unicode-range"},{"url":"https://developer.apple.com/library/safari/documentation/AppleApplications/Reference/SafariCSSRef/Articles/StandardCSSProperties.html#//apple_ref/css/property/unicode-range","title":"Safari CSS Reference: unicode-range"},{"url":"https://www.webplatform.org/docs/css/properties/unicode-range","title":"Web Platform Docs: unicode-range"},{"url":"http://jsbin.com/jeqoguzeye/1/edit?html,output","title":"Demo"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6510254-unicode-range","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a","10":"a","11":"a"},"edge":{"12":"a","13":"a","14":"a","15":"a","16":"a","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a","3.2":"a","4":"a","5":"a","5.1":"a","6":"a","6.1":"a","7":"a","7.1":"a","8":"a","9":"a","9.1":"a","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"a","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a","2.2":"a","2.3":"a","3":"a","4":"a","4.1":"a","4.2-4.3":"a","4.4":"a","4.4.3-4.4.4":"a","62":"y"},"bb":{"7":"n","10":"a"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a","11":"a"},"and_uc":{"11.8":"y"},"samsung":{"4":"a","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"Partial support indicates that unnecessary code-ranges are downloaded by the browser - see [browser test matrix](https://docs.google.com/a/chromium.org/spreadsheets/d/18h-1gaosu4-KYxH8JUNL6ZDuOsOKmWfauoai3CS3hPY/edit?pli=1#gid=0).","notes_by_num":{"1":"Can be enabled in Firefox using the `layout.css.unicode-range.enabled` flag"},"usage_perc_y":85.24,"usage_perc_a":9.26,"ucprefix":false,"parent":"","keywords":"font face,unicode,unicode-range","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"gamepad":{"title":"Gamepad API","description":"API to support input from USB gamepad controllers through JavaScript.","spec":"https://www.w3.org/TR/gamepad/","status":"wd","links":[{"url":"http://luser.github.io/gamepadtest/","title":"Controller demo"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Gamepad_API","title":"MDN Web Docs - Gamepad"},{"url":"https://www.html5rocks.com/en/tutorials/doodles/gamepad/","title":"HTML5Rocks article"},{"url":"https://gamedevelopment.tutsplus.com/tutorials/using-the-html5-gamepad-api-to-add-controller-support-to-browser-games--cms-21345","title":"Detailed tutorial"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"y x","22":"y x","23":"y x","24":"y x","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Can be enabled via the \"Experimental Features\" developer menu"},"usage_perc_y":87.92,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"gamepadapi","chrome_id":"5118776383111168","firefox_id":"gamepad","webkit_id":""},"css-font-stretch":{"title":"CSS font-stretch","description":"If a font has multiple types of variations based on the width of characters, the `font-stretch` property allows the appropriate one to be selected. The property in itself does not cause the browser to stretch to a font.","spec":"https://www.w3.org/TR/css-fonts-3/#font-stretch-prop","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-stretch","title":"MDN Web Docs - font-stretch"},{"url":"https://css-tricks.com/almanac/properties/f/font-stretch/","title":"CSS Tricks article"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":80.22,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"font stretch","ie_id":"cssfontstretch","chrome_id":"4598830058176512","firefox_id":"","webkit_id":""},"font-size-adjust":{"title":"CSS font-size-adjust","description":"Method of adjusting the font size in a matter that relates to the height of lowercase vs. uppercase letters. This makes it easier to set the size of fallback fonts.","spec":"https://www.w3.org/TR/css-fonts-3/#font-size-adjust-prop","status":"cr","links":[{"url":"http://webdesignernotebook.com/css/the-little-known-font-size-adjust-css3-property/","title":"Article on font-size-adjust"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-size-adjust","title":"MDN Web Docs - CSS font-size-adjust"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514821-font-size-adjust-other-font-properties","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1","62":"n d #1","63":"n d #1","64":"n d #1","65":"n d #1","66":"n d #1","67":"n d #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n #2"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n d #1"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled through the \"experimental Web Platform features\" flag in chrome://flags","2":"Does not appear to work on Firefox mobile, despite recognition of the property."},"usage_perc_y":5.18,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5720910061371392","firefox_id":"","webkit_id":""},"link-icon-png":{"title":"PNG favicons","description":"Icon used by browsers to identify a webpage or site. While all browsers support the `.ico` format, the PNG format can be preferable.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#rel-icon","status":"ls","links":[{"url":"https://css-tricks.com/favicon-quiz/","title":"Detailed info on favicons for various uses"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y #1","5":"y #1","6":"y #1","7":"y #1","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1","62":"y #1","63":"y #1","64":"y #1","65":"y #1","66":"y #1","67":"y #1"},"safari":{"3.1":"y #2","3.2":"y #2","4":"y #2","5":"y #2","5.1":"y #2","6":"y #2","6.1":"y #2","7":"y #2","7.1":"y #2","8":"y #2","9":"y #2","9.1":"y #2","10":"y #2","10.1":"y #2","11":"y #2","11.1":"y #2","TP":"y #2"},"opera":{"9":"y #3","9.5-9.6":"y #3","10.0-10.1":"y #3","10.5":"y #3","10.6":"y #3","11":"y #3","11.1":"y #3","11.5":"y #3","11.6":"y #3","12":"y #3","12.1":"y #3","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1"},"ios_saf":{"3.2":"n #4","4.0-4.1":"n #4","4.2-4.3":"n #4","5.0-5.1":"n #4","6.0-6.1":"n #4","7.0-7.1":"n #4","8":"n #4","8.1-8.4":"n #4","9.0-9.2":"n #4","9.3":"n #4","10.0-10.2":"n #4","10.3":"n #4","11.0-11.2":"n #4","11.3":"n #4"},"op_mini":{"all":"n #4"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y #3","4.4.3-4.4.4":"y #3","62":"y #3"},"bb":{"7":"y","10":"n #4"},"op_mob":{"10":"n #4","11":"n #4","11.1":"n #4","11.5":"n #4","12":"n #4","12.1":"n #4","37":"n #4"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n #4","11":"n #4"},"and_uc":{"11.8":"y #2"},"samsung":{"4":"y #3","5":"y","6.2":"y"},"and_qq":{"1.2":"y #1"},"baidu":{"7.12":"y"}},"notes":"Win8/IE10+ and iOS Safari support other types of icons for webpages too, using alternate tags.\r\n\r\nSee also [SVG favicons](#feat=link-icon-svg).","notes_by_num":{"1":"If both ICO and PNG are available, will use ICO over PNG if ICO has better matching sizes set.","2":"If both ICO and PNG are available, will ALWAYS use ICO file, regardless of sizes set.","3":"If multiple formats are available, will use the last one loaded, regardless of sizes (effectively picks at random).","4":"Does not use favicons at all (but may have alternative for bookmarks, etc.)."},"usage_perc_y":84.33,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"link-icon-svg":{"title":"SVG favicons","description":"Icon used by browsers to identify a webpage or site. While all browsers support the `.ico` format, the SVG format can be preferable to more easily support higher resolutions or larger icons.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#rel-icon","status":"ls","links":[{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=294179","title":"Chrome bug"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6509196-svg-favicons","title":"Microsoft Edge feature request on UserVoice"}],"categories":["HTML5","SVG"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"a #2","39":"a #2","40":"a #2","41":"y #4","42":"y #4","43":"y #4","44":"y #4","45":"y #4","46":"y #4","47":"y #4","48":"y #4","49":"y #4","50":"y #4","51":"y #4","52":"y #4","53":"y #4","54":"y #4","55":"y #4","56":"y #4","57":"y #4","58":"y #4","59":"y #4","60":"y #4","61":"y #4"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"u","66":"u","67":"u"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"a #3","9.1":"a #3","10":"a #3","10.1":"a #3","11":"a #3","11.1":"a #3","TP":"a #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n #1","4.0-4.1":"n #1","4.2-4.3":"n #1","5.0-5.1":"n #1","6.0-6.1":"n #1","7.0-7.1":"n #1","8":"n #1","8.1-8.4":"n #1","9.0-9.2":"a #3","9.3":"a #3","10.0-10.2":"a #3","10.3":"a #3","11.0-11.2":"a #3","11.3":"a #3"},"op_mini":{"all":"n #1"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n #1"},"op_mob":{"10":"n #1","11":"n #1","11.1":"n #1","11.5":"n #1","12":"n #1","12.1":"n #1","37":"n #1"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n #1","11":"n #1"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"See also [PNG favicons](#feat=link-icon-png).","notes_by_num":{"1":"Does not use favicons at all","2":"Partial support in Firefox before version 41 refers to only loading the SVG favicon the first time, but not [on subsequent loads](https://bugzilla.mozilla.org/show_bug.cgi?id=366324#c14).","3":"Safari 9 has support for \"[pinned tab](https://developer.apple.com/library/prerelease/content/releasenotes/General/WhatsNewInSafari/Articles/Safari_9_0.html#//apple_ref/doc/uid/TP40014305-CH9-SW20)\" SVG icons, but this requires an unofficial `rel=\"mask-icon\"` to be set and only works for all-black icons on Pinned Tabs.","4":"Firefox [requires](https://bugzilla.mozilla.org/show_bug.cgi?id=366324#c50) the served mime-type to be 'image/svg+xml'."},"usage_perc_y":5.68,"usage_perc_a":12.56,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-media-resolution":{"title":"Media Queries: resolution feature","description":"Allows a media query to be set based on the device pixels used per CSS unit. While the standard uses `min`/`max-resolution` for this, some browsers support the older non-standard `device-pixel-ratio` media query.","spec":"https://www.w3.org/TR/css3-mediaqueries/#resolution","status":"rec","links":[{"url":"https://www.w3.org/blog/CSS/2012/06/14/unprefix-webkit-device-pixel-ratio/","title":"How to unprefix -webkit-device-pixel-ratio"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=78087","title":"WebKit Bug 78087: Implement the 'resolution' media query"},{"url":"https://compat.spec.whatwg.org/#css-media-queries-webkit-device-pixel-ratio","title":"WHATWG Compatibility Standard: -webkit-device-pixel-ratio"}],"categories":["CSS","CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"a #2","3.6":"a #2","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x #3","5":"a x #3","6":"a x #3","7":"a x #3","8":"a x #3","9":"a x #3","10":"a x #3","11":"a x #3","12":"a x #3","13":"a x #3","14":"a x #3","15":"a x #3","16":"a x #3","17":"a x #3","18":"a x #3","19":"a x #3","20":"a x #3","21":"a x #3","22":"a x #3","23":"a x #3","24":"a x #3","25":"a x #3","26":"a x #3","27":"a x #3","28":"a x #3","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"a x #3","5":"a x #3","5.1":"a x #3","6":"a x #3","6.1":"a x #3","7":"a x #3","7.1":"a x #3","8":"a x #3","9":"a x #3","9.1":"a x #3","10":"a x #3","10.1":"a x #3","11":"a x #3","11.1":"a x #3","TP":"a x #3"},"opera":{"9":"n","9.5-9.6":"a x #3","10.0-10.1":"a x #3","10.5":"a x #3","10.6":"a x #3","11":"a x #3","11.1":"a x #3","11.5":"a x #3","11.6":"a x #3","12":"a x #3","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"a x #3","4.2-4.3":"a x #3","5.0-5.1":"a x #3","6.0-6.1":"a x #3","7.0-7.1":"a x #3","8":"a x #3","8.1-8.4":"a x #3","9.0-9.2":"a x #3","9.3":"a x #3","10.0-10.2":"a x #3","10.3":"a x #3","11.0-11.2":"a x #3","11.3":"a x #3"},"op_mini":{"all":"a #1"},"android":{"2.1":"u","2.2":"u","2.3":"a x #3","3":"a x #3","4":"a x #3","4.1":"a x #3","4.2-4.3":"a x #3","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a x #3","10":"a x #3"},"op_mob":{"10":"a x #3","11":"a x #3","11.1":"a x #3","11.5":"a x #3","12":"a x #3","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supports the `dpi` unit, but does not support `dppx` or `dpcm` units.","2":"Firefox before 16 supports only `dpi` unit, but you can set `2dppx` per `min--moz-device-pixel-ratio: 2`","3":"Supports the non-standard `min`/`max-device-pixel-ratio`"},"usage_perc_y":78.29,"usage_perc_a":19.67,"ucprefix":false,"parent":"css-mediaqueries","keywords":"@media,device-pixel-ratio,resolution,dppx,dpcm,dpi","ie_id":"mediaqueriesresolutionfeature,dppxunitfortheresolutionmediaquery","chrome_id":"5944509615570944","firefox_id":"","webkit_id":""},"xml-serializer":{"title":"DOM Parsing and Serialization","description":"Various DOM parsing and serializing functions, specifically `DOMParser`, `XMLSerializer`, `innerHTML`, `outerHTML` and `insertAdjacentHTML`.","spec":"https://www.w3.org/TR/DOM-Parsing/","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/XMLSerializer","title":"MDN Web Docs - XMLSerializer"},{"url":"http://ejohn.org/blog/dom-insertadjacenthtml/","title":"Comparing Document Position by John Resig"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #1","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #2","3":"a #2","3.5":"a #2","3.6":"a #2","4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #3","9":"a #3","10":"a #3","11":"a #1","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #1","3.2":"a #1","4":"a #1","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"a #1","16":"a #1","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"a #1","2.2":"a #1","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"u","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to lacking support for `parseFromString` on the DOMParser.","2":"Partial support refers to supporting only `innerHTML`.","3":"Partial support refers to supporting only `innerHTML` and `insertAdjacentHTML`."},"usage_perc_y":93.71,"usage_perc_a":4.52,"ucprefix":false,"parent":"","keywords":"parseFromString","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-image-set":{"title":"CSS image-set","description":"Method of letting the browser pick the most appropriate CSS background image from a given set, primarily for high PPI screens.","spec":"https://drafts.csswg.org/css-images-4/#image-set-notation","status":"wd","links":[{"url":"http://cloudfour.com/examples/image-set/","title":"Demo"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6606738-image-set","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1107646","title":"Firefox feature request bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x","62":"y x","63":"y x","64":"y x","65":"y x","66":"y x","67":"y x"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y #1","10.1":"y #1","11":"y #1","11.1":"y #1","TP":"y #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y #1","10.3":"y #1","11.0-11.2":"y #1","11.3":"y #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x","4.4.3-4.4.4":"y x","62":"y x"},"bb":{"7":"n","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y x"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y x"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y x"}},"notes":"","notes_by_num":{"1":"Safari's implementation does not completely match the spec, in that only URLs are accepted for the image value and only 'x' is accepted as a resolution. See https://bugs.webkit.org/show_bug.cgi?id=160934."},"usage_perc_y":83.57,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"cssimageset","chrome_id":"","firefox_id":"","webkit_id":""},"css-boxdecorationbreak":{"title":"CSS box-decoration-break","description":"Controls whether the box's margins, borders, padding, and other decorations wrap the broken edges of the box fragments (when the box is split by a break (page/column/region/line).","spec":"https://www.w3.org/TR/css3-break/#break-decoration","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/box-decoration-break","title":"MDN Web Docs - CSS box-decoration-break"},{"url":"http://jsbin.com/xojoro/edit?css,output","title":"Demo of effect on box border"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514472-box-decoration-break","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"a x #1","54":"a x #1","55":"a x #1","56":"a x #1","57":"a x #1","58":"a x #1","59":"a x #1","60":"a x #1","61":"a x #1","62":"a x #1","63":"a x #1","64":"a x #1","65":"a x #1","66":"a x #1","67":"a x #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"a x #1","7":"a x #1","7.1":"a x #1","8":"a x #1","9":"a x #1","9.1":"a x #1","10":"a x #1","10.1":"a x #1","11":"a x #1","11.1":"a x #1","TP":"a x #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"y #1","11.1":"y #1","11.5":"y #1","11.6":"y #1","12":"y #1","12.1":"y #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"a x #1","8":"a x #1","8.1-8.4":"a x #1","9.0-9.2":"a x #1","9.3":"a x #1","10.0-10.2":"a x #1","10.3":"a x #1","11.0-11.2":"a x #1","11.3":"a x #1"},"op_mini":{"all":"a #1"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a x #1","4.4.3-4.4.4":"a x #1","62":"a x #1"},"bb":{"7":"n","10":"a x #1"},"op_mob":{"10":"n","11":"y #1","11.1":"y #1","11.5":"y #1","12":"y #1","12.1":"y #1","37":"a x #1"},"and_chr":{"64":"a x #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"a x #1","5":"a x #1","6.2":"a x #1"},"and_qq":{"1.2":"a x #1"},"baidu":{"7.12":"a x #1"}},"notes":"","notes_by_num":{"1":"Partial support refers to working for inline elements but not across column or page breaks."},"usage_perc_y":14.04,"usage_perc_a":78,"ucprefix":false,"parent":"","keywords":"box-decoration,box decoration,break","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"object-observe":{"title":"Object.observe data binding","description":"Method for data binding, a now-withdrawn ECMAScript 7 proposal","spec":"http://wiki.ecmascript.org/doku.php?id=harmony:observe","status":"unoff","links":[{"url":"https://www.html5rocks.com/en/tutorials/es7/observe/","title":"Data-binding Revolutions with Object.observe()"},{"url":"https://github.com/MaxArt2501/object-observe","title":"Polyfill"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=800355","title":"Firefox tracking bug"},{"url":"https://esdiscuss.org/topic/an-update-on-object-observe","title":"An update on Object.observe"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"n","6.2":"n"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support in Blink-based browsers is expected to be removed in future versions.","notes_by_num":{},"usage_perc_y":2.54,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"objectobserve","chrome_id":"6147094632988672","firefox_id":"","webkit_id":""},"css-at-counter-style":{"title":"CSS Counter Styles","description":"The @counter-style CSS at-rule allows custom counter styles to be defined. A @counter-style rule defines how to convert a counter value into a string representation.","spec":"https://drafts.csswg.org/css-counter-styles/","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/@counter-style","title":"MDN Web Docs - CSS counter style"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support in Firefox refers to lacking support for [image symbols](https://bugzilla.mozilla.org/show_bug.cgi?id=1024179)"},"usage_perc_y":0,"usage_perc_a":5.42,"ucprefix":false,"parent":"","keywords":"css @counter-style, list-style","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-page-break":{"title":"CSS page-break properties","description":"Properties to control the way elements are broken across (printed) pages.","spec":"https://www.w3.org/TR/CSS2/page.html#page-breaks","status":"rec","links":[{"url":"https://css-tricks.com/almanac/properties/p/page-break/","title":"CSS Tricks article"},{"url":"https://drafts.csswg.org/css-break-3/#break-between","title":"Latest fragmentation specification (includes column & region breaks)"}],"categories":["CSS"],"stats":{"ie":{"5.5":"a #1 #2 #3","6":"a #1 #2 #3","7":"a #1 #2 #3","8":"a #1 #2 #3","9":"a #1 #2 #3","10":"a #1 #2","11":"a #1 #2"},"edge":{"12":"a #1 #2","13":"a #1 #2","14":"a #1 #2","15":"a #1 #2","16":"a #1 #2","17":"a #1 #2"},"firefox":{"2":"a #1 #2 #3","3":"a #1 #2 #3","3.5":"a #1 #2 #3","3.6":"a #1 #2 #3","4":"a #1 #2 #3","5":"a #1 #2 #3","6":"a #1 #2 #3","7":"a #1 #2 #3","8":"a #1 #2 #3","9":"a #1 #2 #3","10":"a #1 #2 #3","11":"a #1 #2 #3","12":"a #1 #2 #3","13":"a #1 #2 #3","14":"a #1 #2 #3","15":"a #1 #2 #3","16":"a #1 #2 #3","17":"a #1 #2 #3","18":"a #1 #2 #3","19":"a #1 #2 #3","20":"a #1 #2 #3","21":"a #1 #2 #3","22":"a #1 #2 #3","23":"a #1 #2 #3","24":"a #1 #2 #3","25":"a #1 #2 #3","26":"a #1 #2 #3","27":"a #1 #2 #3","28":"a #1 #2 #3","29":"a #1 #2 #3","30":"a #1 #2 #3","31":"a #1 #2 #3","32":"a #1 #2 #3","33":"a #1 #2 #3","34":"a #1 #2 #3","35":"a #1 #2 #3","36":"a #1 #2 #3","37":"a #1 #2 #3","38":"a #1 #2 #3","39":"a #1 #2 #3","40":"a #1 #2 #3","41":"a #1 #2 #3","42":"a #1 #2 #3","43":"a #1 #2 #3","44":"a #1 #2 #3","45":"a #1 #2 #3","46":"a #1 #2 #3","47":"a #1 #2 #3","48":"a #1 #2 #3","49":"a #1 #2 #3","50":"a #1 #2 #3","51":"a #1 #2 #3","52":"a #1 #2 #3","53":"a #1 #2 #3","54":"a #1 #2 #3","55":"a #1 #2 #3","56":"a #1 #2 #3","57":"a #1 #2 #3","58":"a #1 #2 #3","59":"a #1 #2 #3","60":"a #1 #2 #3","61":"a #1 #2 #3"},"chrome":{"4":"a #1 #2 #3","5":"a #1 #2 #3","6":"a #1 #2 #3","7":"a #1 #2 #3","8":"a #1 #2 #3","9":"a #1 #2 #3","10":"a #1 #2 #3","11":"a #1 #2 #3","12":"a #1 #2 #3","13":"a #1 #2 #3","14":"a #1 #2 #3","15":"a #1 #2 #3","16":"a #1 #2 #3","17":"a #1 #2 #3","18":"a #1 #2 #3","19":"a #1 #2 #3","20":"a #1 #2 #3","21":"a #1 #2 #3","22":"a #1 #2 #3","23":"a #1 #2 #3","24":"a #1 #2 #3","25":"a #1 #2 #3","26":"a #1 #2 #3","27":"a #1 #2 #3","28":"a #1 #2 #3","29":"a #1 #2 #3","30":"a #1 #2 #3","31":"a #1 #2 #3","32":"a #1 #2 #3","33":"a #1 #2 #3","34":"a #1 #2 #3","35":"a #1 #2 #3","36":"a #1 #2 #3","37":"a #1 #2 #3","38":"a #1 #2 #3","39":"a #1 #2 #3","40":"a #1 #2 #3","41":"a #1 #2 #3","42":"a #1 #2 #3","43":"a #1 #2 #3","44":"a #1 #2 #3","45":"a #1 #2 #3","46":"a #1 #2 #3","47":"a #1 #2 #3","48":"a #1 #2 #3","49":"a #1 #2 #3","50":"a #1 #2 #3","51":"a #1 #2 #3","52":"a #1 #2 #3","53":"a #1 #2 #3","54":"a #1 #2 #3","55":"a #1 #2 #3","56":"a #1 #2 #3","57":"a #1 #2 #3","58":"a #1 #2 #3","59":"a #1 #2 #3","60":"a #1 #2 #3","61":"a #1 #2 #3","62":"a #1 #2 #3","63":"a #1 #2 #3","64":"a #1 #2 #3","65":"a #1 #2 #3","66":"a #1 #2 #3","67":"a #1 #2 #3"},"safari":{"3.1":"a #1 #2 #3","3.2":"a #1 #2 #3","4":"a #1 #2 #3","5":"a #1 #2 #3","5.1":"a #1 #2 #3","6":"a #1 #2 #3","6.1":"a #1 #2 #3","7":"a #1 #2 #3","7.1":"a #1 #2 #3","8":"a #1 #2 #3","9":"a #1 #2 #3","9.1":"a #1 #2 #3","10":"a #2 #3","10.1":"a #1 #2 #3","11":"a #1 #2 #3","11.1":"a #1 #2 #3","TP":"a #1 #2 #3"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"y #1","10.5":"y #1","10.6":"y #1","11":"y #1","11.1":"y #1","11.5":"y #1","11.6":"y #1","12":"y #1","12.1":"y #1","15":"a #1 #2 #3","16":"a #1 #2 #3","17":"a #1 #2 #3","18":"a #1 #2 #3","19":"a #1 #2 #3","20":"a #1 #2 #3","21":"a #1 #2 #3","22":"a #1 #2 #3","23":"a #1 #2 #3","24":"a #1 #2 #3","25":"a #1 #2 #3","26":"a #1 #2 #3","27":"a #1 #2 #3","28":"a #1 #2 #3","29":"a #1 #2 #3","30":"a #1 #2 #3","31":"a #1 #2 #3","32":"a #1 #2 #3","33":"a #1 #2 #3","34":"a #1 #2 #3","35":"a #1 #2 #3","36":"a #1 #2 #3","37":"a #1 #2 #3","38":"a #1 #2 #3","39":"a #1 #2 #3","40":"a #1 #2 #3","41":"a #1 #2 #3","42":"a #1 #2 #3","43":"a #1 #2 #3","44":"a #1 #2 #3","45":"a #1 #2 #3","46":"a #1 #2 #3","47":"a #1 #2 #3","48":"a #1 #2 #3","49":"a #1 #2 #3","50":"a #1 #2 #3","51":"a #1 #2 #3","52":"a #1 #2 #3"},"ios_saf":{"3.2":"a #1 #2 #3","4.0-4.1":"a #1 #2 #3","4.2-4.3":"a #1 #2 #3","5.0-5.1":"a #1 #2 #3","6.0-6.1":"a #1 #2 #3","7.0-7.1":"a #1 #2 #3","8":"a #1 #2 #3","8.1-8.4":"a #1 #2 #3","9.0-9.2":"a #1 #2 #3","9.3":"a #1 #2 #3","10.0-10.2":"a #1 #2 #3","10.3":"a #1 #2 #3","11.0-11.2":"a #1 #2 #3","11.3":"a #1 #2 #3"},"op_mini":{"all":"y #1"},"android":{"2.1":"a #1 #2 #3","2.2":"a #1 #2 #3","2.3":"a #1 #2 #3","3":"a #1 #2 #3","4":"a #1 #2 #3","4.1":"a #1 #2 #3","4.2-4.3":"a #1 #2 #3","4.4":"a #1 #2 #3","4.4.3-4.4.4":"a #1 #2 #3","62":"a #1 #2 #3"},"bb":{"7":"a #1 #2 #3","10":"a #1 #2 #3"},"op_mob":{"10":"y #1","11":"y #1","11.1":"y #1","11.5":"y #1","12":"y #1","12.1":"y #1","37":"a #1 #2 #3"},"and_chr":{"64":"a #1 #2 #3"},"and_ff":{"57":"a #1 #2 #3"},"ie_mob":{"10":"a #1 #2","11":"a #1 #2"},"and_uc":{"11.8":"a #1 #2 #3"},"samsung":{"4":"a #1 #2 #3","5":"a #1 #2 #3","6.2":"a #1 #2 #3"},"and_qq":{"1.2":"a #1 #2 #3"},"baidu":{"7.12":"a #1 #2 #3"}},"notes":"Not all mobile browsers offer print support; support listed for these is based on browser engine capability.","notes_by_num":{"1":"Supports the `page-break-*` alias from the CSS 2.1 specification, but not the `break-*` properties from the latest spec.","2":"Does not support `avoid` for `page-break-before` & `page-break-after` (only `page-break-inside`).","3":"Treats the `left` and `right` values like `always`."},"usage_perc_y":3.08,"usage_perc_a":95.15,"ucprefix":false,"parent":"","keywords":"page-break-before,page-break-after,page-break-inside,always,avoid","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-placeholder-shown":{"title":":placeholder-shown CSS pseudo-class","description":"Input elements can sometimes show placeholder text as a hint to the user on what to type in. See, for example, the placeholder attribute in HTML5. The :placeholder-shown pseudo-class matches an input element that is showing such placeholder text.","spec":"https://www.w3.org/TR/selectors4/#placeholder","status":"wd","links":[{"url":"http://trac.webkit.org/changeset/172826","title":"WebKit commit"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1069015","title":"Firefox bug"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/12435951--placeholder-shown-css-pseudo-class","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"For support of styling the actual placeholder text itself, see [CSS ::placeholder](https://caniuse.com/#feat=css-placeholder)","notes_by_num":{},"usage_perc_y":85.34,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":":placeholder-shown,placeholder-shown,placeholder","ie_id":"","chrome_id":"6404760559157248","firefox_id":"","webkit_id":"feature-css-selector-:placeholder-shown"},"broadcastchannel":{"title":"BroadcastChannel","description":"BroadcastChannel allows scripts from the same origin but other browsing contexts (windows, workers) to send each other messages.","spec":"https://html.spec.whatwg.org/multipage/comms.html#broadcasting-to-other-browsing-contexts","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/BroadcastChannel","title":"MDN Web Docs - Broadcast Channel"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":70.22,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"broadcast,channel,messaging","ie_id":"","chrome_id":"4585496197988352","firefox_id":"","webkit_id":""},"css-crisp-edges":{"title":"Crisp edges/pixelated images","description":"Scales images with an algorithm that preserves edges and contrast, without smoothing colors or introducing blur. This is intended for images such as pixel art. Official values that accomplish this for the `image-rendering` property are `crisp-edges` and `pixelated`.","spec":"https://drafts.csswg.org/css-images-3/#valdef-image-rendering-crisp-edges","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/image-rendering","title":"MDN Web Docs - CSS Image rendering"},{"url":"http://updates.html5rocks.com/2015/01/pixelated","title":"HTML5Rocks article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=856337","title":"Firefox bug #856337: Implement image-rendering: pixelated"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=317991","title":"Chrome bug #317991: Implement image-rendering:crisp-edges"}],"categories":["CSS","CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"a x #2 #5","8":"a x #2 #5","9":"a x #2 #5","10":"a x #2 #5","11":"a x #2 #5"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"y x #3","4":"y x #3","5":"y x #3","6":"y x #3","7":"y x #3","8":"y x #3","9":"y x #3","10":"y x #3","11":"y x #3","12":"y x #3","13":"y x #3","14":"y x #3","15":"y x #3","16":"y x #3","17":"y x #3","18":"y x #3","19":"y x #3","20":"y x #3","21":"y x #3","22":"y x #3","23":"y x #3","24":"y x #3","25":"y x #3","26":"y x #3","27":"y x #3","28":"y x #3","29":"y x #3","30":"y x #3","31":"y x #3","32":"y x #3","33":"y x #3","34":"y x #3","35":"y x #3","36":"y x #3","37":"y x #3","38":"y x #3","39":"y x #3","40":"y x #3","41":"y x #3","42":"y x #3","43":"y x #3","44":"y x #3","45":"y x #3","46":"y x #3","47":"y x #3","48":"y x #3","49":"y x #3","50":"y x #3","51":"y x #3","52":"y x #3","53":"y x #3","54":"y x #3","55":"y x #3","56":"y x #3","57":"y x #3","58":"y x #3","59":"y x #3","60":"y x #3","61":"y x #3"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y #4","42":"y #4","43":"y #4","44":"y #4","45":"y #4","46":"y #4","47":"y #4","48":"y #4","49":"y #4","50":"y #4","51":"y #4","52":"y #4","53":"y #4","54":"y #4","55":"y #4","56":"y #4","57":"y #4","58":"y #4","59":"y #4","60":"y #4","61":"y #4","62":"y #4","63":"y #4","64":"y #4","65":"y #4","66":"y #4","67":"y #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"a x #1","6.1":"a x #3 #6","7":"a x #3 #6","7.1":"a x #3 #6","8":"a x #3 #6","9":"a x #3 #6","9.1":"a x #3 #6","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y x #3","12":"y x #3","12.1":"y x #3","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y #4","29":"y #4","30":"y #4","31":"y #4","32":"y #4","33":"y #4","34":"y #4","35":"y #4","36":"y #4","37":"y #4","38":"y #4","39":"y #4","40":"y #4","41":"y #4","42":"y #4","43":"y #4","44":"y #4","45":"y #4","46":"y #4","47":"y #4","48":"y #4","49":"y #4","50":"y #4","51":"y #4","52":"y #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a x #1 #6","6.0-6.1":"a x #1 #6","7.0-7.1":"a x #3 #6","8":"a x #3 #6","8.1-8.4":"a x #3 #6","9.0-9.2":"a x #3 #6","9.3":"a x #3 #6","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y #4"},"bb":{"7":"n","10":"a x #1 #6"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"y x #3","12.1":"y x #3","37":"y #4"},"and_chr":{"64":"y #4"},"and_ff":{"57":"y x #3"},"ie_mob":{"10":"a x #2 #5","11":"a x #2 #5"},"and_uc":{"11.8":"y"},"samsung":{"4":"y #4","5":"y #4","6.2":"y #4"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y #4"}},"notes":"Note that prefixes apply to the value (e.g. `-moz-crisp-edges`), not the `image-rendering` property.","notes_by_num":{"1":"Supported using the non-standard value `-webkit-optimize-contrast`","2":"Internet Explorer accomplishes support using the non-standard declaration `-ms-interpolation-mode: nearest-neighbor`","3":"Supports the `crisp-edges` value, but not `pixelated`.","4":"Supports the `pixelated` value, but not `crisp-edges`.","5":"Only works on `<img>`, not CSS backgrounds or `<canvas>`.","6":"Only works on `<img>` and CSS backgrounds, _not_ `<canvas>`. "},"usage_perc_y":86.62,"usage_perc_a":4.63,"ucprefix":false,"parent":"","keywords":"image-rendering,crisp-edges","ie_id":"imagerendering","chrome_id":"5118058116939776","firefox_id":"","webkit_id":""},"css-text-align-last":{"title":"CSS3 text-align-last","description":"CSS property to describe how the last line of a block or a line right before a forced line break when `text-align` is `justify`.","spec":"https://www.w3.org/TR/css3-text/#text-align-last-property","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-align-last","title":"MDN Web Docs - CSS text-align-last"},{"url":"http://blogs.adobe.com/webplatform/2014/02/25/improving-your-sites-visual-details-css3-text-align-last/","title":"Adobe Web Platform Article"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"a","13":"a","14":"a","15":"a","16":"a","17":"a"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n d #2","36":"n d #2","37":"n d #2","38":"n d #2","39":"n d #2","40":"n d #2","41":"n d #2","42":"n d #2","43":"n d #2","44":"n d #2","45":"n d #2","46":"n d #2","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n d #3","23":"n d #3","24":"n d #3","25":"n d #3","26":"n d #3","27":"n d #3","28":"n d #3","29":"n d #3","30":"n d #3","31":"n d #3","32":"n d #3","33":"n d #3","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"In Internet Explorer, the start and end values are not supported.","2":"Enabled through the \"Enable Experimental Web Platform Features\" flag in chrome://flags","3":"Enabled through the \"Enable Experimental Web Platform Features\" flag in opera://flags"},"usage_perc_y":73.67,"usage_perc_a":5.35,"ucprefix":false,"parent":"","keywords":"text align last","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-logical-props":{"title":"CSS Logical Properties","description":"Use start/end properties that depend on LTR or RTL writing direction instead of left/right","spec":"https://www.w3.org/TR/css-logical-1/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/-moz-margin-start","title":"MDN Web Docs - CSS -moz-margin-start"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/-moz-padding-start","title":"MDN Web Docs - CSS -moz-padding-start"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/7438435-css-logical-properties","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS","CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"a x #1","3.5":"a x #1","3.6":"a x #1","4":"a x #1","5":"a x #1","6":"a x #1","7":"a x #1","8":"a x #1","9":"a x #1","10":"a x #1","11":"a x #1","12":"a x #1","13":"a x #1","14":"a x #1","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a x #2","5":"a x #2","6":"a x #2","7":"a x #2","8":"a x #2","9":"a x #2","10":"a x #2","11":"a x #2","12":"a x #2","13":"a x #2","14":"a x #2","15":"a x #2","16":"a x #2","17":"a x #2","18":"a x #2","19":"a x #2","20":"a x #2","21":"a x #2","22":"a x #2","23":"a x #2","24":"a x #2","25":"a x #2","26":"a x #2","27":"a x #2","28":"a x #2","29":"a x #2","30":"a x #2","31":"a x #2","32":"a x #2","33":"a x #2","34":"a x #2","35":"a x #2","36":"a x #2","37":"a x #2","38":"a x #2","39":"a x #2","40":"a x #2","41":"a x #2","42":"a x #2","43":"a x #2","44":"a x #2","45":"a x #2","46":"a x #2","47":"a x #2","48":"a x #2","49":"a x #2","50":"a x #2","51":"a x #2","52":"a x #2","53":"a x #2","54":"a x #2","55":"a x #2","56":"a x #2","57":"a x #2","58":"a x #2","59":"a x #2","60":"a x #2","61":"a x #2","62":"a x #2","63":"a x #2","64":"a x #2","65":"a x #2","66":"a x #2","67":"a x #2"},"safari":{"3.1":"a x #2","3.2":"a x #2","4":"a x #2","5":"a x #2","5.1":"a x #2","6":"a x #2","6.1":"a x #2","7":"a x #2","7.1":"a x #2","8":"a x #2","9":"a x #2","9.1":"a x #2","10":"a x #2","10.1":"a x #2","11":"a x #2","11.1":"a x #2","TP":"a x #2"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x #2","16":"a x #2","17":"a x #2","18":"a x #2","19":"a x #2","20":"a x #2","21":"a x #2","22":"a x #2","23":"a x #2","24":"a x #2","25":"a x #2","26":"a x #2","27":"a x #2","28":"a x #2","29":"a x #2","30":"a x #2","31":"a x #2","32":"a x #2","33":"a x #2","34":"a x #2","35":"a x #2","36":"a x #2","37":"a x #2","38":"a x #2","39":"a x #2","40":"a x #2","41":"a x #2","42":"a x #2","43":"a x #2","44":"a x #2","45":"a x #2","46":"a x #2","47":"a x #2","48":"a x #2","49":"a x #2","50":"a x #2","51":"a x #2","52":"a x #2"},"ios_saf":{"3.2":"a x #2","4.0-4.1":"a x #2","4.2-4.3":"a x #2","5.0-5.1":"a x #2","6.0-6.1":"a x #2","7.0-7.1":"a x #2","8":"a x #2","8.1-8.4":"a x #2","9.0-9.2":"a x #2","9.3":"a x #2","10.0-10.2":"a x #2","10.3":"a x #2","11.0-11.2":"a x #2","11.3":"a x #2"},"op_mini":{"all":"n"},"android":{"2.1":"a x #2","2.2":"a x #2","2.3":"a x #2","3":"a x #2","4":"a x #2","4.1":"a x #2","4.2-4.3":"a x #2","4.4":"a x #2","4.4.3-4.4.4":"a x #2","62":"a x #2"},"bb":{"7":"a x #2","10":"a x #2"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x #2"},"and_chr":{"64":"a x #2"},"and_ff":{"57":"a x #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a x #2"},"samsung":{"4":"a x #2","5":"a x #2","6.2":"a x #2"},"and_qq":{"1.2":"a x #2"},"baidu":{"7.12":"a x #2"}},"notes":"","notes_by_num":{"1":"Only supports the *-start, and *-end values for `margin`, `border` and `padding`, not the inline/block type values as defined in the spec.","2":"Like #1 but also supports `*-before` and `*-end` for `*-block-start` and `*-block-end` properties as well as `start` and `end` values for `text-align`"},"usage_perc_y":4.86,"usage_perc_a":84.94,"ucprefix":false,"parent":"","keywords":"margin-start,margin-end,padding-start,padding-end,border-start,border-end,inline-start,inline-end,block-start,block-end,block-size,inline-size","ie_id":"csslogicalpropertieslevel1","chrome_id":"","firefox_id":"","webkit_id":""},"fetch":{"title":"Fetch","description":"A modern replacement for XMLHttpRequest.","spec":"https://fetch.spec.whatwg.org/","status":"ls","links":[{"url":"https://github.com/github/fetch","title":"Polyfill"},{"url":"https://addyosmani.com/demos/fetch-api/","title":"Demo"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n d #1 #4","35":"n d #1 #4","36":"n d #1 #4","37":"n d #1 #4","38":"n d #1 #4","39":"y #4","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"a #2","41":"a #2 #3","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"a #2","28":"a #2 #3","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support can be enabled in Firefox with the `dom.fetch.enabled` flag.","2":"Only available in Chrome and Opera within ServiceWorkers.","3":"Available in Chrome and Opera within Window and Workers by enabling the \"Experimental Web Platform Features\" flag in `chrome://flags`","4":"Firefox <40 is not completely conforming to the specs and does not respect the <base> tag for relative URIs in fetch requests. https://bugzilla.mozilla.org/show_bug.cgi?id=1161625","5":"Appears to exist in Safari Technology Preview but does not work in current build. Should work in [next preview build](https://twitter.com/xeenon/status/715379838081576960)","6":"Can be enabled in `about:flags`"},"usage_perc_y":87.29,"usage_perc_a":0.05,"ucprefix":false,"parent":"","keywords":"fetch,service,workers,xhr,xmlhttprequest","ie_id":"fetchapi","chrome_id":"6730533392351232","firefox_id":"fetch","webkit_id":"specification-fetch"},"referrer-policy":{"title":"Referrer Policy","description":"Allow control of HTTP referrers via the referrer meta tag.","spec":"http://w3c.github.io/webappsec/specs/referrer-policy/","status":"wd","links":[{"url":"https://blog.mozilla.org/security/2015/01/21/meta-referrer/","title":"Mozilla security article"},{"url":"https://scotthelme.co.uk/a-new-security-header-referrer-policy/","title":"A new security header: Referrer Policy"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"a #2","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #2","60":"a #2","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #2"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supports an [older draft](https://wiki.whatwg.org/wiki/Meta_referrer) of the specification with `never`, `always`, `origin` & `default` values.\r\n","2":"Chrome does not support `same-origin`, `strict-origin`, or `strict-origin-when-cross-origin` values ([issue 627968](https://bugs.chromium.org/p/chromium/issues/detail?id=627968))"},"usage_perc_y":62.59,"usage_perc_a":28.73,"ucprefix":false,"parent":"","keywords":"meta,referrer,referer","ie_id":"metareferrer","chrome_id":"","firefox_id":"","webkit_id":""},"background-attachment":{"title":"CSS background-attachment","description":"Method of defining how a background image is attached to a scrollable element. Values include `scroll` (default), `fixed` and `local`.","spec":"https://www.w3.org/TR/css3-background/#the-background-attachment","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/background-attachment","title":"MDN Web Docs - background-attachment"}],"categories":["CSS"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #1","3":"a #1","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #1","3.2":"a #1","4":"a #1","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a #1","9.5-9.6":"a #1","10.0-10.1":"a #1","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a #2 #3","6.0-6.1":"a #2 #3","7.0-7.1":"a #2 #3","8":"a #2 #3","8.1-8.4":"a #2 #3","9.0-9.2":"a #2 #3","9.3":"a #2 #3","10.0-10.2":"a #2 #3","10.3":"a #2 #3","11.0-11.2":"a #2 #3","11.3":"a #2 #3"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"a #1","4.2-4.3":"a #1","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"a #2","10":"a #2"},"op_mob":{"10":"a #1","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"a #4","6.2":"a #4"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"a #4"}},"notes":"Most mobile devices have a delay in updating the background position after scrolling a page with `fixed` backgrounds.","notes_by_num":{"1":"Partial support refers to supporting `fixed` but not `local`","2":"Partial support refers to supporting `local` but not `fixed`","3":"Only supports `local` when `-webkit-overflow-scrolling: touch` is _not_ used","4":"Does not support `fixed`, and due [to a bug](https://bugs.chromium.org/p/chromium/issues/detail?id=627037) only supports `local` if a `border-radius` is set on the element."},"usage_perc_y":80.2,"usage_perc_a":12.94,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"currentcolor":{"title":"CSS currentColor value","description":"A CSS value that will apply the existing `color` value to other properties like `background-color`, etc. ","spec":"https://www.w3.org/TR/css3-color/#currentcolor","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/color_value#currentColor_keyword","title":"MDN Web Docs - CSS currentColor"},{"url":"https://css-tricks.com/currentcolor/","title":"CSS Tricks article"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.97,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"input-pattern":{"title":"Pattern attribute for input fields","description":"Allows validation of an input field based on a given regular expression pattern.","spec":"https://html.spec.whatwg.org/multipage/forms.html#the-pattern-attribute","status":"ls","links":[{"url":"http://html5pattern.com","title":"Site with common sample patterns"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-pattern","title":"MDN Web Docs - input element: pattern attribute"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"a #1 #2","6":"a #1 #2","6.1":"a #1 #2","7":"a #1 #2","7.1":"a #1 #2","8":"a #1 #2","9":"a #1 #2","9.1":"a #1 #2","10":"a #1 #2","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"a #1 #2","6.0-6.1":"a #1 #2","7.0-7.1":"a #1 #2","8":"a #1 #2","8.1-8.4":"a #1 #2","9.0-9.2":"a #1 #2","9.3":"a #1 #2","10.0-10.2":"a #1 #2","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"a #1"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial support refers to not displaying a message for invalid patterns","2":"Safari browsers support the `pattern` attribute but will still allow forms to be submitted if the pattern is incorrect. See the [form validation data](https://caniuse.com/#feat=form-validation) for details."},"usage_perc_y":91.69,"usage_perc_a":2.1,"ucprefix":false,"parent":"form-validation","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"registerprotocolhandler":{"title":"Custom protocol handling","description":"Method of allowing a webpage to handle a given protocol using `navigator.registerProtocolHandler`. This allows certain URLs to be opened by a given web application, for example `mailto:` addresses can be opened by a webmail client.","spec":"https://html.spec.whatwg.org/multipage/webappapis.html#custom-handlers","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Navigator/registerProtocolHandler","title":"MDN Web Docs - Register protocol handler"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1","62":"y #1","63":"y #1","64":"y #1","65":"y #1","66":"y #1","67":"y #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y #1","12":"y #1","12.1":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"y #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Supports protocols `mailto`, `mms`, `nntp`, `rtsp`, and `webcal` but requires custom protocols to start with `web+`"},"usage_perc_y":34.41,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-snappoints":{"title":"CSS Scroll snap points","description":"CSS technique that allows customizable scrolling experiences like pagination of carousels by setting defined snap points.","spec":"https://www.w3.org/TR/css-snappoints-1/","status":"cr","links":[{"url":"http://generatedcontent.org/post/66817675443/setting-native-like-scrolling-offsets-in-css-with","title":"Blog post"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Scroll_Snap_Points","title":"MDN Web Docs - CSS Scroll snap points"},{"url":"https://github.com/ckrack/scrollsnap-polyfill","title":"Polyfill"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a x #1 #5 #6","11":"a x #2 #5 #6"},"edge":{"12":"a x #2 #5 #6","13":"a x #2 #5 #6","14":"a x #2 #5 #6","15":"a x #2 #5 #6","16":"a x #2 #5 #6","17":"a x #2 #5 #6"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"a #5","40":"a #5","41":"a #5","42":"a #5","43":"a #5","44":"a #5","45":"a #5","46":"a #5","47":"a #5","48":"a #5","49":"a #5","50":"a #5","51":"a #5","52":"a #5","53":"a #5","54":"a #5","55":"a #5","56":"a #5","57":"a #5","58":"a #5","59":"a #5","60":"a #5","61":"a #5"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n d #7","67":"n d #7"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"a x #4 #5","9.1":"a x #4 #5","10":"a x #4 #5","10.1":"a x #4 #5","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"a x #4 #5","9.3":"a x #4 #5","10.0-10.2":"a x #4 #5","10.3":"a x #4 #5","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"a #5"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Works in the iOS WKWebView, but not UIWebView.","notes_by_num":{"1":"Partial support in IE10 refers to support limited to touch screens.","2":"Partial support in IE11 [documented here](https://web.archive.org/web/20160616212557/https://dl.dropboxusercontent.com/u/444684/openwebref/CSS/scroll-snap-points/support.html)","4":"Partial support in Safari refers to not supporting the `none` keyword in `scroll-snap-points-x`, `scroll-snap-points-y` and `scroll-snap-coordinate`, and length keywords (`top`, `right`, etc.) in `scroll-snap-destination` and `scroll-snap-coordinate`.","5":"Supports properties from an [older version](https://www.w3.org/TR/2015/WD-css-snappoints-1-20150326/) of the spec.","6":"Partial support in IE & Edge refers to not supporting `scroll-snap-coordinate` and `scroll-snap-destination`.","7":"Available behind the \"Experimental Web Platform features\" feature flag"},"usage_perc_y":9.2,"usage_perc_a":13.18,"ucprefix":false,"parent":"","keywords":"scroll-snap-points-x,scroll-snap-points-y,scroll-snap-type,scroll-snap-destination,scroll-snap-coordinate,scroll-snap-margin,scroll-snap-align","ie_id":"cssscrollsnappoints","chrome_id":"5721832506261504","firefox_id":"","webkit_id":"specification-css-scroll-snap-points-module-level-1"},"input-minlength":{"title":"Minimum length attribute for input fields","description":"Declares a lower bound on the number of characters a user can input.","spec":"https://html.spec.whatwg.org/multipage/forms.html#the-maxlength-and-minlength-attributes","status":"ls","links":[{"url":"https://www.w3.org/TR/html5/forms.html#setting-minimum-input-length-requirements:-the-minlength-attribute","title":"W3C usage example"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6565212-minlength-attribute","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=932755","title":"Firefox tracking bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=149832","title":"WebKit feature request bug"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"The [`pattern` attribute](https://caniuse.com/#feat=input-pattern) can be used [as an alternative](https://stackoverflow.com/a/10294291) solution for browsers without support.","notes_by_num":{},"usage_perc_y":84.1,"usage_perc_a":0,"ucprefix":false,"parent":"form-validation","keywords":"","ie_id":"","chrome_id":"6023370181181440","firefox_id":"","webkit_id":""},"css-media-interaction":{"title":"Media Queries: interaction media features","description":"Allows a media query to be set based on the presence and accuracy of the user's pointing device, and whether they have the ability to hover over elements on the page. This includes the `pointer`, `any-pointer`, `hover`, and `any-hover` media features.","spec":"https://www.w3.org/TR/mediaqueries-4/#mf-interaction","status":"wd","links":[{"url":"http://jordanm.co.uk/2013/11/11/potential-use-cases-for-script-hover-and-pointer.html","title":"Potential use cases for script, hover and pointer CSS Level 4 Media Features"},{"url":"https://dev.opera.com/articles/media-features/","title":"Interaction Media Features and their potential (for incorrect assumptions)"},{"url":"https://github.com/twbs/mq4-hover-shim","title":"Polyfill for the `hover` media feature"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":82.48,"usage_perc_a":0,"ucprefix":false,"parent":"css-mediaqueries","keywords":"@media,interaction,hover,any-hover,css pointer,any-pointer,pointer:coarse,pointer:fine","ie_id":"mediaquerieslevel4pointerandhover","chrome_id":"6460705494532096","firefox_id":"","webkit_id":""},"ime":{"title":"Input Method Editor API","description":"Provides scripted access to the Input Method Editor (IME). An IME is often used to input characters from East Asian languages by typing roman characters and selecting from the resulting suggestions.","spec":"https://www.w3.org/TR/ime-api/","status":"wd","links":[{"url":"http://blogs.msdn.com/b/ie/archive/2014/03/31/building-better-input-experience-for-east-asian-users-with-the-ime-api-in-ie11.aspx","title":"Building Better Input Experience for East Asian Users with the IME API in IE11"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y x #1"},"edge":{"12":"y x #1","13":"y x #1","14":"y x #1","15":"y x #1","16":"y x #1","17":"y x #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"y x #1"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Prefixed implementation uses `msGetInputContext()` method from an earlier version of the spec to get the `InputMethodContext`, rather than the `inputMethodContext` attribute. Also includes support for `getCompositionAlternatives()` from the latest Editor'"},"usage_perc_y":4.81,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ime,cjk,input,internationalization,inputMethodContext,candidatewindow,composition","ie_id":"imeapi","chrome_id":"6366722080636928","firefox_id":"","webkit_id":""},"font-smooth":{"title":"CSS font-smooth","description":"Controls the application of anti-aliasing when fonts are rendered.","spec":"https://www.w3.org/TR/WD-font/#font-smooth","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-smooth","title":"MDN Web Docs - font-smooth"},{"url":"https://www.w3.org/TR/WD-font/#font-smooth","title":"Old version of W3C recommendation containing font-smooth"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"a x #2 #3","26":"a x #2 #3","27":"a x #2 #3","28":"a x #2 #3","29":"a x #2 #3","30":"a x #2 #3","31":"a x #2 #3","32":"a x #2 #3","33":"a x #2 #3","34":"a x #2 #3","35":"a x #2 #3","36":"a x #2 #3","37":"a x #2 #3","38":"a x #2 #3","39":"a x #2 #3","40":"a x #2 #3","41":"a x #2 #3","42":"a x #2 #3","43":"a x #2 #3","44":"a x #2 #3","45":"a x #2 #3","46":"a x #2 #3","47":"a x #2 #3","48":"a x #2 #3","49":"a x #2 #3","50":"a x #2 #3","51":"a x #2 #3","52":"a x #2 #3","53":"a x #2 #3","54":"a x #2 #3","55":"a x #2 #3","56":"a x #2 #3","57":"a x #2 #3","58":"a x #2 #3","59":"a x #2 #3","60":"a x #2 #3","61":"a x #2 #3"},"chrome":{"4":"n","5":"a x #1 #3","6":"a x #1 #3","7":"a x #1 #3","8":"a x #1 #3","9":"a x #1 #3","10":"a x #1 #3","11":"a x #1 #3","12":"a x #1 #3","13":"a x #1 #3","14":"a x #1 #3","15":"a x #1 #3","16":"a x #1 #3","17":"a x #1 #3","18":"a x #1 #3","19":"a x #1 #3","20":"a x #1 #3","21":"a x #1 #3","22":"a x #1 #3","23":"a x #1 #3","24":"a x #1 #3","25":"a x #1 #3","26":"a x #1 #3","27":"a x #1 #3","28":"a x #1 #3","29":"a x #1 #3","30":"a x #1 #3","31":"a x #1 #3","32":"a x #1 #3","33":"a x #1 #3","34":"a x #1 #3","35":"a x #1 #3","36":"a x #1 #3","37":"a x #1 #3","38":"a x #1 #3","39":"a x #1 #3","40":"a x #1 #3","41":"a x #1 #3","42":"a x #1 #3","43":"a x #1 #3","44":"a x #1 #3","45":"a x #1 #3","46":"a x #1 #3","47":"a x #1 #3","48":"a x #1 #3","49":"a x #1 #3","50":"a x #1 #3","51":"a x #1 #3","52":"a x #1 #3","53":"a x #1 #3","54":"a x #1 #3","55":"a x #1 #3","56":"a x #1 #3","57":"a x #1 #3","58":"a x #1 #3","59":"a x #1 #3","60":"a x #1 #3","61":"a x #1 #3","62":"a x #1 #3","63":"a x #1 #3","64":"a x #1 #3","65":"a x #1 #3","66":"a x #1 #3","67":"a x #1 #3"},"safari":{"3.1":"n","3.2":"n","4":"a x #1 #3","5":"a x #1 #3","5.1":"a x #1 #3","6":"a x #1 #3","6.1":"a x #1 #3","7":"a x #1 #3","7.1":"a x #1 #3","8":"a x #1 #3","9":"a x #1 #3","9.1":"a x #1 #3","10":"a x #1 #3","10.1":"a x #1 #3","11":"a x #1 #3","11.1":"a x #1 #3","TP":"a x #1 #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x #1 #3","16":"a x #1 #3","17":"a x #1 #3","18":"a x #1 #3","19":"a x #1 #3","20":"a x #1 #3","21":"a x #1 #3","22":"a x #1 #3","23":"a x #1 #3","24":"a x #1 #3","25":"a x #1 #3","26":"a x #1 #3","27":"a x #1 #3","28":"a x #1 #3","29":"a x #1 #3","30":"a x #1 #3","31":"a x #1 #3","32":"a x #1 #3","33":"a x #1 #3","34":"a x #1 #3","35":"a x #1 #3","36":"a x #1 #3","37":"a x #1 #3","38":"a x #1 #3","39":"a x #1 #3","40":"a x #1 #3","41":"a x #1 #3","42":"a x #1 #3","43":"a x #1 #3","44":"a x #1 #3","45":"a x #1 #3","46":"a x #1 #3","47":"a x #1 #3","48":"a x #1 #3","49":"a x #1 #3","50":"a x #1 #3","51":"a x #1 #3","52":"a x #1 #3"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Though present in early (2002) drafts of CSS3 Fonts, `font-smooth` has been removed from this specification and is currently not on the standard track.","notes_by_num":{"1":"WebKit implements something similar with a different name `-webkit-font-smoothing` and different values: `none`, `antialiased` and `subpixel-antialiased`.","2":"Firefox implements something similar with a different name `-moz-osx-font-smoothing` and different values: `auto`, `inherit`, `unset`, `grayscale`.","3":"Works only on Mac OS X platform."},"usage_perc_y":0,"usage_perc_a":36.7,"ucprefix":false,"parent":"","keywords":"font smooth,font smoothing,-webkit-font-smoothing,-moz-osx-font-smoothing","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"audiotracks":{"title":"Audio Tracks","description":"Method of specifying and selecting between multiple audio tracks. Useful for providing audio descriptions, director's commentary, additional languages, alternative takes, etc.","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist-and-videotracklist-objects","status":"ls","links":[{"url":"https://msdn.microsoft.com/en-US/library/hh772483%28v=vs.85%29.aspx","title":"MSDN article"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Supported in Firefox by enabling \"media.track.enabled\" in about:config"},"usage_perc_y":17.5,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"AudioTrack,AudioTrackList,media,multiple,selection","ie_id":"audiotracks","chrome_id":"5748496434987008","firefox_id":"","webkit_id":""},"videotracks":{"title":"Video Tracks","description":"Method of specifying and selecting between multiple video tracks. Useful for providing sign language tracks, burnt-in captions or subtitles, alternative camera angles, etc.","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist-and-videotracklist-objects","status":"ls","links":[{"url":"https://msdn.microsoft.com/en-US/library/dn806262%28v=vs.85%29.aspx","title":"MSDN article"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":14.35,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"VideoTrack,VideoTrackList,media,multiple,selection","ie_id":"videotracks","chrome_id":"5748496434987008","firefox_id":"","webkit_id":""},"contentsecuritypolicy2":{"title":"Content Security Policy Level 2","description":"Mitigate cross-site scripting attacks by whitelisting allowed sources of script, style, and other resources. CSP 2 adds hash-source, nonce-source, and five new directives","spec":"https://www.w3.org/TR/CSP2/","status":"cr","links":[{"url":"https://www.html5rocks.com/en/tutorials/security/content-security-policy/","title":"HTML5Rocks article"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP","title":"MDN Web Docs - Content Security Policy"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #2","36":"a #3","37":"a #3","38":"a #3","39":"a #3","40":"a #3","41":"a #3","42":"a #3","43":"a #3","44":"a #3","45":"a #7","46":"a #7","47":"a #7","48":"a #7","49":"a #7","50":"a #7","51":"a #7","52":"a #7","53":"a #7","54":"a #7","55":"a #7","56":"a #7","57":"a #7","58":"a #7","59":"a #7","60":"a #7","61":"a #7"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"a #4","37":"a #4","38":"a #4","39":"a #5","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"a #4","24":"a #4","25":"a #4","26":"a #5","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"a #6"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Firefox 31-34 is missing the plugin-types, child-src, frame-ancestors, base-uri, and form-action directives.","2":"Firefox 35 is missing the plugin-types, child-src, frame-ancestors, and form-action directives.","3":"Firefox 36-44 is missing the plugin-types and child-src directives.","4":"Chrome 36-38 & Opera 23-25 are missing the plugin-types, child-src, frame-ancestors, base-uri, and form-action directives.","5":"Chrome 39 and Opera 26 are missing the plugin-types, child-src, base-uri, and form-action directives.","6":"Firefox 38 on Android is missing the child-src directive.","7":"Firefox 45+ is missing the plugin-types directive."},"usage_perc_y":74.45,"usage_perc_a":5.55,"ucprefix":false,"parent":"","keywords":"csp,header,nonce,hash","ie_id":"contentsecuritypolicylevel2","chrome_id":"4957003285790720","firefox_id":"","webkit_id":"specification-content-security-policy-level-2"},"permissions-api":{"title":"Permissions API","description":"High-level JavaScript API for checking and requesting permissions","spec":"https://w3c.github.io/permissions/","status":"unoff","links":[{"url":"http://updates.html5rocks.com/2015/04/permissions-api-for-the-web","title":"Permission API samples and examples"},{"url":"https://github.com/jimmywarting/browser-su","title":"Extended \"polyfill\" version of permission API"}],"categories":["JS API","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":66.05,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web-permissions,navigator.permissions","ie_id":"","chrome_id":"6376494003650560","firefox_id":"permissions","webkit_id":""},"http2":{"title":"HTTP/2 protocol","description":"Networking protocol for low-latency transport of content over the web. Originally started out from the SPDY protocol, now standardized as HTTP version 2.","spec":"http://http2.github.io/http2-spec/index.html","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/HTTP/2","title":"Wikipedia"},{"url":"https://http2.akamai.com/demo","title":"Browser support test"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a #1 #2"},"edge":{"12":"y #2","13":"y #2","14":"y #2","15":"y #2","16":"y #2","17":"y #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y #2","37":"y #2","38":"y #2","39":"y #2","40":"y #2","41":"y #2","42":"y #2","43":"y #2","44":"y #2","45":"y #2","46":"y #2","47":"y #2","48":"y #2","49":"y #2","50":"y #2","51":"y #2","52":"y #2","53":"y #2 #4","54":"y #2 #4","55":"y #2 #4","56":"y #2 #4","57":"y #2 #4","58":"y #2 #4","59":"y #2 #4","60":"y #2 #4","61":"y #2 #4"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y #2","42":"y #2","43":"y #2","44":"y #2","45":"y #2","46":"y #2","47":"y #2","48":"y #2","49":"y #2","50":"y #2","51":"y #2 #4","52":"y #2 #4","53":"y #2 #4","54":"y #2 #4","55":"y #2 #4","56":"y #2 #4","57":"y #2 #4","58":"y #2 #4","59":"y #2 #4","60":"y #2 #4","61":"y #2 #4","62":"y #2 #4","63":"y #2 #4","64":"y #2 #4","65":"y #2 #4","66":"y #2 #4","67":"y #2 #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"a #2 #3","9.1":"a #2 #3","10":"a #2 #3","10.1":"a #2 #3","11":"y #2","11.1":"y #2","TP":"y #2"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y #2","29":"y #2","30":"y #2","31":"y #2","32":"y #2","33":"y #2","34":"y #2","35":"y #2","36":"y #2","37":"y #2","38":"y #2 #4","39":"y #2 #4","40":"y #2 #4","41":"y #2 #4","42":"y #2 #4","43":"y #2 #4","44":"y #2 #4","45":"y #2 #4","46":"y #2 #4","47":"y #2 #4","48":"y #2 #4","49":"y #2 #4","50":"y #2 #4","51":"y #2 #4","52":"y #2 #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y #2","9.3":"y #2","10.0-10.2":"y #2","10.3":"y #2","11.0-11.2":"y #2","11.3":"y #2"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y #2"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y #2"},"and_chr":{"64":"y #2 #4"},"and_ff":{"57":"y #2"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y #2","5":"y #2 #4","6.2":"y #2 #4"},"and_qq":{"1.2":"y #2 #4"},"baidu":{"7.12":"y #2"}},"notes":"See also support for [the SPDY protocol](https://caniuse.com/#feat=spdy), precursor of HTTP2.","notes_by_num":{"1":"Partial support in IE11 refers to being limited to Windows 10.","2":"Only supports HTTP2 over TLS (https)","3":"Partial support in Safari refers to being limited to OSX 10.11+","4":"Only supports HTTP2 if servers support protocol negotiation via ALPN"},"usage_perc_y":79.57,"usage_perc_a":3.66,"ucprefix":false,"parent":"","keywords":"","ie_id":"http2","chrome_id":"5152586365665280","firefox_id":"http2","webkit_id":""},"font-kerning":{"title":"CSS3 font-kerning","description":"Controls the usage of the kerning information (spacing between letters) stored in the font. Note that this only affects OpenType fonts with kerning information, it has no effect on other fonts.","spec":"https://www.w3.org/TR/css3-fonts/#font-kerning-prop","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-kerning","title":"MDN Web Docs - CSS font-kerning"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n d #1","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y x","30":"y x","31":"y x","32":"y x","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"y x","17":"y x","18":"y x","19":"y x","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y x","11.3":"y x"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Browsers with support for [font feature settings](https://caniuse.com/#feat=font-feature) can also set kerning value.","notes_by_num":{"1":"Disabled by default, can be enabled using preference layout.css.font-features.enabled - defaulting to true on Nightly and Aurora only."},"usage_perc_y":88.8,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"jpeg2000":{"title":"JPEG 2000 image format","description":"JPEG 2000 (JP2) was created by the Joint Photographic Experts Group committee in 2000 with the intention of superseding their original discrete cosine transform-based JPEG standard (created in 1992) with a newly designed, wavelet-based method. It offers some advantages in image fidelity over standard JPEG.","spec":"http://www.itu.int/rec/T-REC-T.800-200208-I","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/JPEG_2000","title":"Wikipedia article"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y #1","5.1":"y #1","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Not supported by Safari for Windows"},"usage_perc_y":12.66,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"jp2,jpeg2000,jpeg 2000","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"upgradeinsecurerequests":{"title":"Upgrade Insecure Requests","description":"Declare that browsers should transparently upgrade HTTP resources on a website to HTTPS.","spec":"https://www.w3.org/TR/upgrade-insecure-requests/","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Security/CSP/CSP_policy_directives#upgrade-insecure-requests","title":"MDN Web Docs - Upgrade Insecure Requests"},{"url":"https://googlechrome.github.io/samples/csp-upgrade-insecure-requests/index.html","title":"Demo Website"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=143653","title":"WebKit feature request bug"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"The HTTP header is `Content-Security-Policy: upgrade-insecure-requests`. Alternatively, the HTML tag is `<meta http-equiv=\"Content-Security-Policy\" content=\"upgrade-insecure-requests\">`.","notes_by_num":{},"usage_perc_y":76.97,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"security,header,uir,upgrade-insecure-requests","ie_id":"upgradeinsecureresourcerequests","chrome_id":"6534575509471232","firefox_id":"","webkit_id":"feature-upgrade-insecure-requests"},"publickeypinning":{"title":"Public Key Pinning","description":"Declare that a website's HTTPS certificate should only be treated as valid if the public key is contained in a specified list to prevent MITM attacks that use valid CA-issued certificates.","spec":"https://tools.ietf.org/html/rfc7469","status":"other","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Security/Public_Key_Pinning","title":"MDN Web Docs - Public Key Pinning"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"u","21":"u","22":"u","23":"a","24":"u","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"The HTTP header syntax is 'Public-Key-Pins: pin-sha256=\"base64==\"; max-age=expireTime [; includeSubdomains][; report-uri=\"reportURI\"]'.","notes_by_num":{},"usage_perc_y":66.42,"usage_perc_a":0.01,"ucprefix":false,"parent":"","keywords":"pkp,hpkp,security,header","ie_id":"publickeypinningextensionforhttp","chrome_id":"","firefox_id":"","webkit_id":""},"input-email-tel-url":{"title":"Email, telephone & URL input types","description":"Text input fields intended for email addresses, telephone numbers or URLs. Particularly useful in combination with [form validation](https://caniuse.com/#feat=form-validation)","spec":"https://html.spec.whatwg.org/multipage/forms.html#telephone-state-(type=tel)","status":"ls","links":[{"url":"http://www.htmlgoodies.com/html5/tutorials/whats-new-in-html5-forms-email-url-and-telephone-input-types.html#fbid=c9PEy7_9RZb","title":"Article on usage"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"a #1","2.2":"a #1","2.3":"a #1","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Browsers without support for these types will fall back to using the \"text\" type.","notes_by_num":{"1":"Does not provide an email-specific keyboard for email addresses"},"usage_perc_y":94.82,"usage_perc_a":0.01,"ucprefix":false,"parent":"forms","keywords":"input[type=email],input[type=tel],input[type=url]","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"fieldset-disabled":{"title":"disabled attribute of the fieldset element","description":"Allows disabling all of the form control descendants of a fieldset via a `disabled` attribute on the fieldset element itself.","spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-fieldset-disabled","status":"ls","links":[{"url":"http://output.jsbin.com/bibiqi/1/edit","title":"JS Bin Testcase/Demo"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"u","6":"a #1 #2","7":"a #1 #2","8":"a #1","9":"a #1","10":"a #1 #2","11":"a #1 #2"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"u","17":"u","18":"u","19":"u","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1 #2"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"a #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Text inputs that are descendants of a disabled fieldset appear disabled but the user can still interact with them. [See IE bug #962368.](https://connect.microsoft.com/IE/feedbackdetail/view/962368/can-still-edit-input-type-text-within-fieldset-disabled)","2":"File inputs that are descendants of a disabled fieldset appear disabled but the user can still interact with them. [See IE bug #817488.](https://connect.microsoft.com/IE/feedbackdetail/view/817488)"},"usage_perc_y":91.15,"usage_perc_a":6.43,"ucprefix":false,"parent":"","keywords":"HTMLFieldSetElement,fieldset,disabled","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"font-variant-alternates":{"title":"CSS font-variant-alternates","description":"Controls the usage of alternate glyphs associated to alternative names defined in @font-feature-values for certain types of OpenType fonts.","spec":"https://www.w3.org/TR/css-fonts-3/#propdef-font-variant-alternates","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-variant-alternates","title":"MDN Web Docs - font-variant-alternates"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n #1","11":"n #1"},"edge":{"12":"n #1","13":"n #1","14":"n #1","15":"n #1","16":"n #1","17":"n #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n #1","5":"n #1","6":"n #1","7":"n #1","8":"n #1","9":"n #1","10":"n #1","11":"n #1","12":"n #1","13":"n #1","14":"n #1","15":"n #1","16":"n #1","17":"n #1","18":"n #1","19":"n #1","20":"n #1","21":"n #1","22":"n #1","23":"n #1","24":"n d #2","25":"n d #2","26":"n d #2","27":"n d #2","28":"n d #2","29":"n d #2","30":"n d #2","31":"n d #2","32":"n d #2","33":"n d #2","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n #1","17":"n #1","18":"n #1","19":"n #1","20":"n #1","21":"n #1","22":"n #1","23":"n #1","24":"n #1","25":"n #1","26":"n #1","27":"n #1","28":"n #1","29":"n #1","30":"n #1","31":"n #1","32":"n #1","33":"n #1","34":"n #1","35":"n #1","36":"n #1","37":"n #1","38":"n #1","39":"n #1","40":"n #1","41":"n #1","42":"n #1","43":"n #1","44":"n #1","45":"n #1","46":"n #1","47":"n #1","48":"n #1","49":"n #1","50":"n #1","51":"n #1","52":"n #1","53":"n #1","54":"n #1","55":"n #1","56":"n #1","57":"n #1","58":"n #1","59":"n #1","60":"n #1","61":"n #1","62":"n #1","63":"n #1","64":"n #1","65":"n #1","66":"n #1","67":"n #1"},"safari":{"3.1":"n","3.2":"n","4":"n #1","5":"n #1","5.1":"n #1","6":"n #1","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n #1","16":"n #1","17":"n #1","18":"n #1","19":"n #1","20":"n #1","21":"n #1","22":"n #1","23":"n #1","24":"n #1","25":"n #1","26":"n #1","27":"n #1","28":"n #1","29":"n #1","30":"n #1","31":"n #1","32":"n #1","33":"n #1","34":"n #1","35":"n #1","36":"n #1","37":"n #1","38":"n #1","39":"n #1","40":"n #1","41":"n #1","42":"n #1","43":"n #1","44":"n #1","45":"n #1","46":"n #1","47":"n #1","48":"n #1","49":"n #1","50":"n #1","51":"n #1","52":"n #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n #1","4.2-4.3":"n #1","5.0-5.1":"n #1","6.0-6.1":"n #1","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n #1","4.4.3-4.4.4":"n #1","62":"n #1"},"bb":{"7":"n","10":"n #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n #1"},"and_chr":{"64":"n #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n #1"},"samsung":{"4":"n #1","5":"n #1","6.2":"n #1"},"and_qq":{"1.2":"n #1"},"baidu":{"7.12":"n #1"}},"notes":"","notes_by_num":{"1":"Low-level syntax available in [font-feature-settings](https://caniuse.com/#feat=font-feature) property equivalent to OpenType features: salt, ss01 through ss20, cv01 through cv99, swsh, cswh, ornm, nalt","2":"Experimental support available by enabling the layout.css.font-features.enabled flag"},"usage_perc_y":17.55,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"font-feature,font-feature-settings,font-variant","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"form-attribute":{"title":"Form attribute","description":"Attribute for associating input and submit buttons with a form.","spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-fae-form","status":"ls","links":[{"url":"https://www.w3.org/TR/html5/forms.html#attr-fae-form","title":"Input attribute specification"},{"url":"http://www.impressivewebs.com/html5-form-attribute/","title":"Article on usage"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/7327649-add-support-for-the-form-attribute","title":"Microsoft Edge feature request on UserVoice"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":93.91,"usage_perc_a":0,"ucprefix":false,"parent":"forms","keywords":"form,attribute","ie_id":"formattribute","chrome_id":"","firefox_id":"","webkit_id":""},"es5":{"title":"ECMAScript 5","description":"Full support for the ECMAScript 5 specification. Features include `Function.prototype.bind`, Array methods like `indexOf`, `forEach`, `map` & `filter`, Object methods like `defineProperty`, `create` & `keys`, the `trim` method on Strings and many more.","spec":"https://www.ecma-international.org/ecma-262/5.1/","status":"other","links":[{"url":"http://kangax.github.io/compat-table/es5/","title":"Detailed compatibility tables & tests"},{"url":"http://ejohn.org/blog/ecmascript-5-objects-and-properties/","title":"Overview of objects & properties"},{"url":"https://github.com/es-shims/es5-shim","title":"ES5 polyfill"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n #4","9":"a #2","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a","3":"a","3.5":"a","3.6":"a","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"a","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a","3.2":"a","4":"a","5":"a","5.1":"a","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a","9.5-9.6":"a","10.0-10.1":"a","10.5":"a","10.6":"a","11":"a","11.1":"a","11.5":"a","11.6":"a","12":"a","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a","4.0-4.1":"a","4.2-4.3":"a","5.0-5.1":"a","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"a","2.2":"a","2.3":"a","3":"a","4":"a #1 #2 #3","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a","10":"y"},"op_mob":{"10":"a","11":"a","11.1":"a","11.5":"a","12":"a","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"As the specification includes many JavaScript features, un-numbered partial support varies widely and is shown in detail on the [ECMAScript 5 compatibilty tables](http://kangax.github.io/compat-table/es5/) by Kangax.","notes_by_num":{"1":"Does not support `parseInt()` ignoring leading zeros. ","2":"Does not support Strict mode","3":"Does not support zero-width chars in identifiers & Immutable `undefined`","4":"IE8 has virtually no ES5 support, but does support `Object.defineProperty`, `Object.getOwnPropertyDescriptor`, JSON parsing & Property access on strings"},"usage_perc_y":94.01,"usage_perc_a":3.99,"ucprefix":false,"parent":"","keywords":"es5,function.bind,array.foreach,array.indexof,array.map,date.now,defineproperties,getprototypeof,keys,seal,freeze,preventextensions,issealed,isfrozen,isextensible,getownpropertydescriptorgetownpropertynames,toisostringc,isarray,lastindexof,every,some,reduce,reduceright,getter,setter","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"page-transition-events":{"title":"PageTransitionEvent","description":"Fired at the Window when the page's entry in the session history stops being the current entry. Includes the `pageshow` and `pagehide` events.","spec":"https://html.spec.whatwg.org/multipage/indices.html#event-pageshow","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Events/pageshow","title":"MDN Web Docs - pageshow"},{"url":"http://www.w3schools.com/tags/ev_onpageshow.asp","title":"HTML onpageshow Event Attribute"}],"categories":["HTML5","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":94.57,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"history,page,transition,hide,show,bfcache,event,persisted","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"ogg-vorbis":{"title":"Ogg Vorbis audio format","description":"Vorbis is a free and open source audio format, most commonly used with the Ogg container.","spec":"http://www.xiph.org/vorbis/doc/Vorbis_I_spec.html","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Vorbis","title":"Wikipedia article"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support refers to this format's use in the `audio` element, not other conditions.","notes_by_num":{},"usage_perc_y":77.2,"usage_perc_a":0,"ucprefix":false,"parent":"audio","keywords":".ogg,.oga,application/ogg,audio/ogg","ie_id":"vorbisaudiocodec,oggcontainer","chrome_id":"","firefox_id":"","webkit_id":""},"meter":{"title":"meter element","description":"Method of indicating the current level of a gauge.","spec":"https://html.spec.whatwg.org/multipage/forms.html#the-meter-element","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meter","title":"MDN Web Docs - Element meter"},{"url":"http://html5doctor.com/measure-up-with-the-meter-tag/","title":"HTML5 Doctor on meter element"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6803893-meter","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://dev.opera.com/articles/new-form-features-in-html5/#newoutput","title":"Dev.Opera article"},{"url":"http://peter.sh/examples/?/html/meter-progress.html","title":"Examples of progress and meter elements"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":92.82,"usage_perc_a":0,"ucprefix":false,"parent":"forms","keywords":"<meter>","ie_id":"meterelement","chrome_id":"","firefox_id":"","webkit_id":""},"progress":{"title":"progress element","description":"Method of indicating a progress state.","spec":"https://html.spec.whatwg.org/multipage/forms.html#the-progress-element","status":"ls","links":[{"url":"https://css-tricks.com/html5-progress-element/","title":"CSS-Tricks article"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/progress","title":"MDN Web Docs - Element progress"},{"url":"https://dev.opera.com/articles/new-form-features-in-html5/#newoutput","title":"Dev.Opera article"},{"url":"http://peter.sh/examples/?/html/meter-progress.html","title":"Examples of progress and meter elements"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"iOS Safari does not support \"indeterminate\" <progress> elements."},"usage_perc_y":87.19,"usage_perc_a":10.09,"ucprefix":false,"parent":"forms","keywords":"#progressmeter,<progress>","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-filter-function":{"title":"CSS filter() function","description":"This function filters a CSS input image with a set of filter functions (like blur, grayscale or hue)","spec":"https://www.w3.org/TR/filter-effects/#FilterCSSImageValue","status":"wd","links":[{"url":"http://iamvdo.me/en/blog/advanced-css-filters#filter","title":"Blog post"}],"categories":["CSS","CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y x","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":12.29,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"filter, function","ie_id":"cssfilterimagefunction","chrome_id":"5425136400334848","firefox_id":"","webkit_id":""},"css-element-function":{"title":"CSS element() function","description":"This function renders a live image generated from an arbitrary HTML element","spec":"https://www.w3.org/TR/css4-images/#element-notation","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/element","title":"MDN Web Docs - CSS element"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"a x #1","3":"a x #1","3.5":"a x #1","3.6":"a x #1","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y x"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"In Firefox < 4, usage limited to the background and background-image CSS properties"},"usage_perc_y":5.59,"usage_perc_a":0.05,"ucprefix":false,"parent":"","keywords":"element, function","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"u2f":{"title":"FIDO U2F API","description":"JavaScript API to interact with Universal Second Factor (U2F) devices. This allows users to log into sites more securely using two-factor authentication with a USB dongle.","spec":"https://fidoalliance.org/specs/fido-u2f-v1.0-nfc-bt-amendment-20150514/fido-u2f-javascript-api.html","status":"other","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1065729","title":"Mozilla bug"},{"url":"http://googleonlinesecurity.blogspot.com/2014/10/strengthening-2-step-verification-with.html","title":"Google Security article"}],"categories":["JS API","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n d #2","48":"n d #2","49":"n d #2","50":"n d #2","51":"n d #2","52":"n d #2","53":"n d #2","54":"n d #2","55":"n d #2","56":"n d #2","57":"n d #2","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n #1","39":"n #1","40":"n #1","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"y","41":"n","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Requires the \"FIDO U2F (Universal 2nd Factor)\" Chrome extension","2":"Support can be enabled with the \"security.webauth.u2f\" flag"},"usage_perc_y":28.44,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"fido,u2f","ie_id":"fidou2f","chrome_id":"","firefox_id":"","webkit_id":""},"aac":{"title":"AAC audio file format","description":"Advanced Audio Coding format, designed to be the successor format to MP3, with generally better sound quality.","spec":"http://www.digitalpreservation.gov/formats/fdd/fdd000114.shtml","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Advanced_Audio_Coding","title":"Wikipedia article"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"u","11":"u","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"y","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Support refers to this format's use in the `audio` element, not other conditions.","notes_by_num":{"1":"Partial support in Firefox refers to only supporting AAC in an MP4 container and only when the operating system already has the codecs installed."},"usage_perc_y":88.98,"usage_perc_a":5.49,"ucprefix":false,"parent":"audio","keywords":"audio/aac","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"link-rel-prefetch":{"title":"Resource Hints: prefetch","description":"Informs the browsers that a given resource should be prefetched so it can be loaded more quickly. This is indicated using `<link rel=\"prefetch\" href=\"(url)\">`","spec":"https://www.w3.org/TR/resource-hints/#dfn-prefetch","status":"wd","links":[{"url":"https://en.wikipedia.org/wiki/Link_prefetching","title":"Wikipedia article"},{"url":"https://medium.com/@luisvieira_gmr/html5-prefetch-1e54f6dda15d","title":"Article on prefetch and other hints"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"y","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":81.52,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"ol-reversed":{"title":"Reversed attribute of ordered lists","description":"This attribute makes an ordered list number its items in descending order (large to small), instead of ascending order (small to large; the default). The order that the list items are displayed in is not affected.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#attr-ol-reversed","status":"ls","links":[{"url":"http://html5doctor.com/ol-element-attributes/","title":"HTML5 Doctor article on <ol> element attributes (including reversed)"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6514423-ol-reversed-attribute","title":"Microsoft Edge feature request on UserVoice"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"u","17":"u","18":"u","19":"u","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"u","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"u","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":92.1,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"reversed,list,ol,attribute","ie_id":"olreversedattribute","chrome_id":"","firefox_id":"","webkit_id":""},"css-first-letter":{"title":"::first-letter CSS pseudo-element selector","description":"CSS pseudo-element that allows styling only the first \"letter\" of text within an element. Useful for implementing initial caps or drop caps styling.","spec":"https://www.w3.org/TR/css3-selectors/#first-letter","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/::first-letter","title":"MDN Web Docs - :first-letter"}],"categories":["CSS"],"stats":{"ie":{"5.5":"u","6":"a #3 #4","7":"a #3 #4","8":"a #3","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #2","3":"a #1","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"u","6":"u","7":"u","8":"u","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"a #1","4":"a #1","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a #2","10.5":"a #2","10.6":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"a #1","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"The spec says that both letters of digraphs which are always capitalized together (such as \"IJ\" in Dutch) should be matched by ::first-letter, but no browser has ever implemented this.","notes_by_num":{"1":"Excludes punctuation immediately after the first letter from the match. (The spec says it should be included in the match.)","2":"Acts like the first character is always a letter even when it's not. For example, given \"!,X;\", \"!,\" is matched instead of the entire string.","3":"Only recognizes the deprecated :first-letter pseudo-class, not the ::first-letter pseudo-element.","4":"Only matches the very first character. The spec says that surrounding punctuation should also match."},"usage_perc_y":97.83,"usage_perc_a":0.31,"ucprefix":false,"parent":"","keywords":"first,letter,pseudo,element,class,selector","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"wbr-element":{"title":"wbr (word break opportunity) element","description":"Represents an extra place where a line of text may optionally be broken.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#the-wbr-element","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/wbr","title":"MDN Web Docs - Element wbr"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"y","6":"y","7":"y","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":94.72,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"wbr,element,word,break,opportunity","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"const":{"title":"const","description":"Declares a constant with block level scope","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-let-and-const-declarations","status":"other","links":[{"url":"http://generatedcontent.org/post/54444832868/variables-and-constants-in-es6","title":"Variables and Constants in ES6"},{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const","title":"MDN Web Docs - const"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #1","3":"a #1","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #2","5":"a #2","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2 #3","22":"a #2 #3","23":"a #2 #3","24":"a #2 #3","25":"a #2 #3","26":"a #2 #3","27":"a #2 #3","28":"a #2 #3","29":"a #2 #3","30":"a #2 #3","31":"a #2 #3","32":"a #2 #3","33":"a #2 #3","34":"a #2 #3","35":"a #2 #3","36":"a #2 #3","37":"a #2 #3","38":"a #2 #3","39":"a #2 #3","40":"a #2 #3","41":"a #4","42":"a #4","43":"a #4","44":"a #4","45":"a #4","46":"a #4","47":"a #4","48":"a #4","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #2","3.2":"a #2","4":"a #2","5":"a #2","5.1":"a #2 #3","6":"a #2 #3","6.1":"a #2 #3","7":"a #2 #3","7.1":"a #2 #3","8":"a #2 #3","9":"a #2 #3","9.1":"a #2 #3","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1 #3","12":"a #1 #3","12.1":"a #1 #3","15":"a #2 #3","16":"a #2 #3","17":"a #2 #3","18":"a #2 #3","19":"a #2 #3","20":"a #2 #3","21":"a #2 #3","22":"a #2 #3","23":"a #2 #3","24":"a #2 #3","25":"a #2 #3","26":"a #2 #3","27":"a #2 #3","28":"a #4","29":"a #4","30":"a #4","31":"a #4","32":"a #4","33":"a #4","34":"a #4","35":"a #4","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #2","4.0-4.1":"a #2","4.2-4.3":"a #2","5.0-5.1":"a #2 #3","6.0-6.1":"a #2 #3","7.0-7.1":"a #2 #3","8":"a #2 #3","8.1-8.4":"a #2 #3","9.0-9.2":"a #2 #3","9.3":"a #2 #3","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1 #3"},"android":{"2.1":"u","2.2":"u","2.3":"a #2","3":"a #2 #3","4":"a #2 #3","4.1":"a #2 #3","4.2-4.3":"a #2 #3","4.4":"a #2 #3","4.4.3-4.4.4":"a #2 #3","62":"y"},"bb":{"7":"a #2 #3","10":"a #2 #3"},"op_mob":{"10":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1 #3","12.1":"a #1 #3","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"a #4","5":"y","6.2":"y"},"and_qq":{"1.2":"a #2 #3"},"baidu":{"7.12":"a #4"}},"notes":"","notes_by_num":{"1":"const is recognized, but treated like var (no block scope, can be overwritten)","2":"const does not have block scope","3":"Only recognized when NOT in strict mode","4":"Supported correctly in strict mode, otherwise supported without block scope"},"usage_perc_y":89.71,"usage_perc_a":7.98,"ucprefix":false,"parent":"","keywords":"ES6,constant,block,scope","ie_id":"","chrome_id":"4645595339816960","firefox_id":"","webkit_id":""},"css-all":{"title":"CSS all property","description":"A shorthand property for resetting all CSS properties except for `direction` and `unicode-bidi`.","spec":"https://www.w3.org/TR/css-cascade-3/#all-shorthand","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/all","title":"MDN Web Docs - CSS all"},{"url":"http://mcc.id.au/blog/2013/10/all-unset","title":"Resetting styles using `all: unset`"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=116966","title":"WebKit bug 116966: [css3-cascade] Add support for `all` shorthand property"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6511510-all-initial","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":87.54,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"CSS,all,property,shorthand,reset","ie_id":"cssallshorthand","chrome_id":"6178222542684160","firefox_id":"","webkit_id":""},"css-initial-value":{"title":"CSS initial value","description":"A CSS value that will apply a property's initial value as defined in the CSS specification that defines the property","spec":"https://www.w3.org/TR/css-values/#common-keywords","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/initial","title":"MDN Web Docs - CSS initial"},{"url":"https://css-tricks.com/getting-acquainted-with-initial/","title":"CSS Tricks article"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":91.49,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"CSS,initial,value","ie_id":"cssinitialvalue","chrome_id":"","firefox_id":"","webkit_id":""},"css-letter-spacing":{"title":"letter-spacing CSS property","description":"Controls spacing between characters of text (i.e. \"tracking\" in typographical terms). Not to be confused with kerning.","spec":"https://www.w3.org/TR/CSS2/text.html#propdef-letter-spacing","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/letter-spacing","title":"MDN Web Docs - CSS letter-spacing"}],"categories":["CSS"],"stats":{"ie":{"5.5":"u","6":"a #1","7":"a #1","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"a #1","4":"a #1","5":"a #1","5.1":"a #1","6":"a #1","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"a #1","16":"a #1","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Truncates or rounds fractional portions of values"},"usage_perc_y":94.07,"usage_perc_a":1.18,"ucprefix":false,"parent":"","keywords":"CSS,letter,spacing,tracking","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-unset-value":{"title":"CSS unset value","description":"A CSS value that's the same as \"inherit\" if a property is inherited or \"initial\" if a property is not inherited.","spec":"https://www.w3.org/TR/css-cascade-3/#inherit-initial","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/unset","title":"MDN Web Docs - CSS unset"},{"url":"http://mcc.id.au/blog/2013/10/all-unset","title":"Resetting styles using `all: unset`"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=148614","title":"WebKit bug 148614: Add support for the `unset` CSS property value"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":88.82,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"CSS,unset,value","ie_id":"cssunsetvalue","chrome_id":"","firefox_id":"","webkit_id":""},"insertadjacenthtml":{"title":"Element.insertAdjacentHTML()","description":"Inserts a string of HTML into a specified position in the DOM relative to the given element.","spec":"https://www.w3.org/TR/DOM-Parsing/#widl-Element-insertAdjacentHTML-void-DOMString-position-DOMString-text","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Element/insertAdjacentHTML","title":"MDN Web Docs - insertAdjacentHTML"},{"url":"https://gist.github.com/eligrey/1276030","title":"Polyfill"}],"categories":["JS API"],"stats":{"ie":{"5.5":"u","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Throws an \"Invalid target element for this operation.\" error [when called on a table, tbody, thead, or tr element.](http://ejohn.org/blog/dom-insertadjacenthtml/)"},"usage_perc_y":97.75,"usage_perc_a":0.36,"ucprefix":false,"parent":"","keywords":"element,insert,adjacent,HTML","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"let":{"title":"let","description":"Declares a variable with block level scope","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-let-and-const-declarations","status":"other","links":[{"url":"http://generatedcontent.org/post/54444832868/variables-and-constants-in-es6","title":"Variables and Constants in ES6"},{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let","title":"MDN Web Docs - let"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n d #1","3":"n d #1","3.5":"n d #1","3.6":"n d #1","4":"n d #1","5":"n d #1","6":"n d #1","7":"n d #1","8":"n d #1","9":"n d #1","10":"n d #1","11":"n d #1","12":"n d #1","13":"n d #1","14":"n d #1","15":"n d #1","16":"n d #1","17":"n d #1","18":"n d #1","19":"n d #1","20":"n d #1","21":"n d #1","22":"n d #1","23":"n d #1","24":"n d #1","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n d #2","20":"n d #2","21":"n d #2","22":"n d #2","23":"n d #2","24":"n d #2","25":"n d #2","26":"n d #2","27":"n d #2","28":"n d #2","29":"n d #2","30":"n d #2","31":"n d #2","32":"n d #2","33":"n d #2","34":"n d #2","35":"n d #2","36":"n d #2","37":"n d #2","38":"n d #2","39":"n d #2","40":"n d #2","41":"a #3","42":"a #3","43":"a #3","44":"a #3","45":"a #3","46":"a #3","47":"a #3","48":"a #3","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"a #4","10.1":"a #4","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n d #2","16":"n d #2","17":"n d #2","18":"n d #2","19":"n d #2","20":"n d #2","21":"n d #2","22":"n d #2","23":"n d #2","24":"n d #2","25":"n d #2","26":"n d #2","27":"n d #2","28":"a #3","29":"a #3","30":"a #3","31":"a #3","32":"a #3","33":"a #3","34":"a #3","35":"a #3","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"a #4","10.3":"a #4","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"a #3","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"a #3"}},"notes":"","notes_by_num":{"1":"Supports a non-standard version that can only be used in script elements with a type attribute of `application/javascript;version=1.7`. As other browsers do not support these types of `script` tags this makes support useless for cross-browser support.","2":"Requires the \u2018Experimental JavaScript features\u2019 flag to be enabled","3":"Only supported in strict mode","4":"`let` bindings in for loops are incorrectly treated as function-scoped instead of block scoped."},"usage_perc_y":87.29,"usage_perc_a":3.69,"ucprefix":false,"parent":"","keywords":"ES6,variable,block,scope","ie_id":"","chrome_id":"4645595339816960","firefox_id":"","webkit_id":""},"arrow-functions":{"title":"Arrow functions","description":"Function shorthand using `=>` syntax and lexical `this` binding.","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-arrow-function-definitions","status":"other","links":[{"url":"https://github.com/lukehoban/es6features#arrows","title":"ECMAScript 6 features: Arrows"},{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions","title":"MDN Web Docs - Arrow functions"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":86.99,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ES6,JavaScript,fat,arrow,function,lexical,this","ie_id":"arrowfunctiones6","chrome_id":"5047308127305728","firefox_id":"","webkit_id":"feature-arrow-functions"},"asmjs":{"title":"asm.js","description":"An extraordinarily optimizable, low-level subset of JavaScript, intended to be a compile target from languages like C++.","spec":"http://asmjs.org/spec/latest/","status":"other","links":[{"url":"http://asmjs.org/","title":"Homepage"},{"url":"https://github.com/dherman/asm.js/","title":"Source for spec and tools"},{"url":"https://blogs.windows.com/msedgedev/2015/05/07/bringing-asm-js-to-chakra-microsoft-edge/","title":"Bringing Asm.js to Chakra and Microsoft Edge"},{"url":"https://dev.modern.ie/platform/changelog/10532-pc/","title":"Microsoft Edge support announcement"}],"categories":["JS","JS API","Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n d #2","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"a #1","64":"a #1","65":"a #1","66":"a #1","67":"a #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #1"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #1"},"and_chr":{"64":"a #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"a #1"}},"notes":"","notes_by_num":{"1":"Chrome does not support Ahead-Of-Time compilation but performance doubled in Chrome 28: https://en.wikipedia.org/wiki/Asm.js#Implementations","2":"Supported in MS Edge under the \"Enable experimental JavaScript features\" flag."},"usage_perc_y":7.29,"usage_perc_a":60.27,"ucprefix":false,"parent":"","keywords":"asm,asm.js,asmjs,WebAssembly","ie_id":"asmjs","chrome_id":"","firefox_id":"asmjs","webkit_id":"specification-webassembly"},"lazyload":{"title":"Resource Hints: Lazyload","description":"Gives a hint to the browser to lower the loading priority of a resource.","spec":"https://w3c.github.io/web-performance/specs/ResourcePriorities/Overview.html","status":"unoff","links":[{"url":"https://msdn.microsoft.com/en-us/library/dn369270(v=vs.85).aspx","title":"lazyload attribute | lazyload property"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":4.81,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"link-rel-dns-prefetch":{"title":"Resource Hints: dns-prefetch","description":"Gives a hint to the browser to perform a DNS lookup in the background to improve performance. This is indicated using `<link rel=\"dns-prefetch\" href=\"http://example-domain.com/\">`","spec":"https://www.w3.org/TR/resource-hints/#dns-prefetch","status":"wd","links":[{"url":"https://msdn.microsoft.com/en-us/library/dn265039(v=vs.85).aspx","title":"Prerender and prefetch support"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Controlling_DNS_prefetching","title":"Controlling DNS prefetching"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"u","8":"u","8.1-8.4":"u","9.0-9.2":"u","9.3":"u","10.0-10.2":"u","10.3":"u","11.0-11.2":"u","11.3":"u"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"u","4.1":"u","4.2-4.3":"u","4.4":"u","4.4.3-4.4.4":"u","62":"u"},"bb":{"7":"u","10":"u"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"u","37":"u"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"u"},"samsung":{"4":"u","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE9 [supported `dns-prefetch` as `prefetch`](http://blogs.msdn.com/b/ieinternals/archive/2012/03/01/ie10-beta-consumer-preview-minor-changes-changelist.aspx) as the former wasn\u2019t defined yet."},"usage_perc_y":73.57,"usage_perc_a":0.12,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"link-rel-prerender":{"title":"Resource Hints: prerender","description":"Gives a hint to the browser to render the specified page in the background, speeding up page load if the user navigates to it. This is indicated using `<link rel=\"prerender\" href=\"(url)\">`","spec":"https://www.w3.org/TR/resource-hints/#prerender","status":"wd","links":[{"url":"https://msdn.microsoft.com/en-us/library/dn265039(v=vs.85).aspx","title":"Prerender and prefetch support"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":64.46,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"rest-parameters":{"title":"Rest parameters","description":"Allows representation of an indefinite number of arguments as an array.","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-function-definitions","status":"other","links":[{"url":"https://hacks.mozilla.org/2015/05/es6-in-depth-rest-parameters-and-defaults/","title":"Rest parameters and defaults"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n d #1","45":"n d #1","46":"n d #1","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n d #1","32":"n d #1","33":"n d #1","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Requires the \"Experimental JavaScript features\" flag to be enabled"},"usage_perc_y":86.96,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ES6,JavaScript","ie_id":"restparameterses6","chrome_id":"5937087912083456","firefox_id":"","webkit_id":""},"css-cross-fade":{"title":"CSS Cross-Fade Function","description":"Image function to create a \"crossfade\" between images. This allows one image to transition (fade) into another based on a percentage value.","spec":"https://drafts.csswg.org/css-images-3/#cross-fade-function","status":"unoff","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=546052","title":"Firefox bug #546052: Implement cross-fade()"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x","62":"y x","63":"y x","64":"y x","65":"y x","66":"y x","67":"y x"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y x","4.4.3-4.4.4":"y x","62":"y x"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x"},"and_chr":{"64":"y x"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y x"},"samsung":{"4":"y x","5":"y x","6.2":"y x"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y x"}},"notes":"","notes_by_num":{},"usage_perc_y":83.65,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"css,image,crossfade","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-writing-mode":{"title":"CSS writing-mode property","description":"Property to define whether lines of text are laid out horizontally or vertically and the direction in which blocks progress.","spec":"https://drafts.csswg.org/css-writing-modes-3/#block-flow","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/writing-mode","title":"MDN Web Docs - CSS writing-mode"},{"url":"https://www.chromestatus.com/feature/5707470202732544","title":"Chrome Platform Status"}],"categories":["CSS"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n d #2","37":"n d #2","38":"n d #2","39":"n d #2","40":"n d #2","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"u","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"y x","6":"y x","6.1":"y x","7":"y x","7.1":"y x","8":"y x","9":"y x","9.1":"y x","10":"y x","10.1":"y x","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y x","6.0-6.1":"y x","7.0-7.1":"y x","8":"y x","8.1-8.4":"y x","9.0-9.2":"y x","9.3":"y x","10.0-10.2":"y x","10.3":"y x","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y x","4":"y x","4.1":"y x","4.2-4.3":"y x","4.4":"y x","4.4.3-4.4.4":"y x","62":"y"},"bb":{"7":"y x","10":"y x"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a x","11":"a x"},"and_uc":{"11.8":"y"},"samsung":{"4":"y x","5":"y","6.2":"y"},"and_qq":{"1.2":"y x"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Internet Explorer supports different values from an [earlier version of the spec](https://www.w3.org/TR/2003/CR-css3-text-20030514/#Progression), which originated from SVG.","2":"Supported in Firefox under the `layout.css.vertical-text.enabled` flag"},"usage_perc_y":91.22,"usage_perc_a":3.52,"ucprefix":false,"parent":"","keywords":"css,writing,direction,i18n,vertical,ltr,rtl","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"customevent":{"title":"CustomEvent","description":"A DOM event interface that can carry custom application-defined data.","spec":"https://dom.spec.whatwg.org/#interface-customevent","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent","title":"MDN Web Docs - CustomEvent"},{"url":"https://github.com/krambuhl/custom-event-polyfill","title":"Polyfill based on the MDN snippet"},{"url":"https://github.com/jonathantneal/EventListener","title":"EventListener polyfill which includes a CustomEvent polyfill"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"u","6":"u","7":"u","8":"u","9":"a #1 #2","10":"a #1 #2","11":"a #1 #2","12":"a #1 #2","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"a #1 #2","6":"u","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"n","4.2-4.3":"u","5.0-5.1":"a #1 #2","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"a #1 #2","4":"a #1 #2","4.1":"a #1 #2","4.2-4.3":"a #1 #2","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1 #2","10":"y"},"op_mob":{"10":"n","11":"a #1","11.1":"a #1","11.5":"a #1","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Not supported in some versions of Android's old WebKit-based WebView.","notes_by_num":{"1":"While a `window.CustomEvent` object exists, it cannot be called as a constructor. Instead of `new CustomEvent(...)`, you must use `e = document.createEvent('CustomEvent')` and then `e.initCustomEvent(...)`","2":"There is no `window.CustomEvent` object, but `document.createEvent('CustomEvent')` still works."},"usage_perc_y":94.01,"usage_perc_a":3.78,"ucprefix":false,"parent":"","keywords":"custom events,custom,event","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"textcontent":{"title":"Node.textContent","description":"DOM Node property representing the text content of a node and its descendants","spec":"https://dom.spec.whatwg.org/#dom-node-textcontent","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Node/textContent","title":"MDN Web Docs - Node.textContent"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"`Node.textContent` is somewhat similar to, but has important differences from, [`Node.innerText`](https://caniuse.com/#feat=innertext).","notes_by_num":{},"usage_perc_y":97.98,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"addeventlistener":{"title":"EventTarget.addEventListener()","description":"The modern standard API for adding DOM event handlers. Introduced in the DOM Level 2 Events spec. Also implies support for the [capture phase](https://dom.spec.whatwg.org/#dom-event-capturing_phase) of DOM event dispatch, as well as the `stopPropagation()` and `preventDefault()` event methods.","spec":"https://dom.spec.whatwg.org/#dom-eventtarget-addeventlistener","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener","title":"MDN Web Docs - addEventListener"},{"url":"https://github.com/Financial-Times/polyfill-service/blob/master/polyfills/Event/polyfill.js","title":"Financial Times IE8 polyfill"},{"url":"https://github.com/WebReflection/ie8","title":"WebReflection ie8 polyfill"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n #1","6":"n #1","7":"n #1","8":"n #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y #2","3":"y #2","3.5":"y #2","3.6":"y #2","4":"y #2","5":"y #2","6":"y #2","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE<=8 instead only supports the [proprietary `.attachEvent()` method](https://msdn.microsoft.com/en-us/library/ms536343%28VS.85%29.aspx). It also does not support the [capture phase](https://www.w3.org/TR/DOM-Level-3-Events/#event-flow) of DOM event dispatch; it only supports event bubbling.","2":"The `useCapture` parameter is non-optional and must be provided. Future versions made it optional, with a default value of `false`."},"usage_perc_y":97.99,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"event,target,add,remove,listener,capture,capturing,phase","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"dispatchevent":{"title":"EventTarget.dispatchEvent","description":"Method to programmatically trigger a DOM event.","spec":"https://dom.spec.whatwg.org/#dom-eventtarget-dispatchevent","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/dispatchEvent","title":"MDN Web Docs - dispatchEvent"},{"url":"https://github.com/Financial-Times/polyfill-service/blob/master/polyfills/Event/polyfill-ie8.js","title":"Financial Times IE8 polyfill"},{"url":"https://github.com/WebReflection/ie8","title":"WebReflection ie8 polyfill"}],"categories":["DOM"],"stats":{"ie":{"5.5":"u","6":"n #1","7":"n #1","8":"n #1","9":"y #1","10":"y #1","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y #1","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supports Microsoft's proprietary [`EventTarget.fireEvent() method`](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/fireEvent)."},"usage_perc_y":97.98,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"dispatch,event,target,fire,trigger,dom","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"documenthead":{"title":"document.head","description":"Convenience property for accessing the `<head>` element","spec":"https://html.spec.whatwg.org/multipage/#dom-document-head","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Document/head","title":"MDN Web Docs - head"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.87,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"document,head","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"innertext":{"title":"Node.innerText","description":"A property representing the text within a DOM element and its descendants. As a getter, it approximates the text the user would get if they highlighted the contents of the element with the cursor and then copied to the clipboard.","spec":"https://html.spec.whatwg.org/multipage/dom.html#the-innertext-idl-attribute","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Node/innerText","title":"MDN Web Docs - innerText"},{"url":"https://github.com/whatwg/compat/issues/5","title":"WHATWG Compatibility Standard issue #5: spec innerText"},{"url":"https://github.com/timdown/rangy","title":"Rangy, a JS range and selection library which contains an innerText implementation"},{"url":"http://discourse.wicg.io/t/standardizing-innertext/799","title":"Standardizing innerText \u2013 Web Incubator Community Group (WICG) discussion"},{"url":"https://msdn.microsoft.com/library/ms533899(v=vs.85).aspx","title":"MSDN documentation"}],"categories":["DOM"],"stats":{"ie":{"5.5":"u","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"This test only checks that the property exists and works correctly in a very simple case.\r\n[This blog post by kangax](http://perfectionkills.com/the-poor-misunderstood-innerText/) explains the history of this property, gives much more detailed cross-browser compatibility information, and gives a detailed strawman specification for the property.\r\n`Node.innerText` is similar to, but has some important differences from, the standard [`Node.textContent`](https://caniuse.com/#feat=textcontent) property.","notes_by_num":{},"usage_perc_y":97.8,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"inner,text,content","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"client-hints-dpr-width-viewport":{"title":"Client Hints: DPR, Width, Viewport-Width","description":"DPR, Width, and Viewport-Width hints enable proactive content negotiation between client and server, enabling automated delivery of optimized assets - e.g. auto-negotiating image DPR resolution.","spec":"https://tools.ietf.org/html/draft-grigorik-http-client-hints","status":"other","links":[{"url":"https://developers.google.com/web/updates/2015/09/automating-resource-selection-with-client-hints","title":"Automating resource selection with Client Hints"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=935216","title":"Mozilla Bug 935216 - Implement Client-Hints HTTP header"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=145380","title":"WebKit Bug 145380 - Add Content-DPR header support"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6261321-http-client-hints","title":"Microsoft Edge feature request on UserVoice"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":68.17,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"client hints, client-hints, dpr, viewport, content-dpr","ie_id":"httpclienthints","chrome_id":"5504430086553600","firefox_id":"","webkit_id":""},"link-rel-preconnect":{"title":"Resource Hints: preconnect","description":"Gives a hint to the browser to begin the connection handshake (DNS, TCP, TLS) in the background to improve performance. This is indicated using `<link rel=\"preconnect\" href=\"https://example-domain.com/\">`","spec":"https://www.w3.org/TR/resource-hints/#preconnect","status":"wd","links":[{"url":"https://www.igvita.com/2015/08/17/eliminating-roundtrips-with-preconnect/","title":"Eliminating Roundtrips with Preconnect"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"y #1","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"u"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"u"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Firefox 39 did not support 'crossorigin' attribute and preconnects were not processed by the preload parser. Both of these features were enabled in Firefox 41.","2":"Partial support in Edge 15+ refers to support for only the HTTP header format, not the `<link rel>` format."},"usage_perc_y":64.55,"usage_perc_a":1.59,"ucprefix":false,"parent":"","keywords":"preconnect, resource hints","ie_id":"preconnectresourcehints","chrome_id":"5560623895150592","firefox_id":"","webkit_id":""},"netinfo":{"title":"Network Information API","description":"The Network Information API enables web applications to access information about the network connection in use by the device.","spec":"http://wicg.github.io/netinfo/","status":"unoff","links":[{"url":"https://www.igvita.com/2014/12/15/capability-reporting-with-service-worker/","title":"(NetInfo) Capability reporting with ServiceWorker"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"a #4","62":"a #4","63":"a #4","64":"a #4","65":"a #4","66":"a #4","67":"a #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"a #4","49":"a #4","50":"a #4","51":"a #4","52":"a #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"a #1","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"n","4.4.3-4.4.4":"n","62":"a #3"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #3"},"and_chr":{"64":"a #3"},"and_ff":{"57":"a #2"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"a #1","5":"a #3","6.2":"a #3"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"a #3"}},"notes":"In Chrome the API is enabled on Android only, support for other platforms [is coming](https://docs.google.com/a/chromium.org/document/d/1LTk9uVMGi4kurzcF5ellsAJReTF31fFJMHrQwSVtBjc/) . Support is also available on [Firefox OS](https://bugzilla.mozilla.org/show_bug.cgi?id=960426).","notes_by_num":{"1":"Supports only the `navigator.connection.type` value which doesn't match the latest spec. [see details](http://davidbcalhoun.com/2010/using-navigator-connection-android/)","2":"Only supports the `type` value.","3":"Only supports the `type` and `downloadMax` values.","4":"Only supports the `downlink`, `effectiveType` & `rtt` values."},"usage_perc_y":0,"usage_perc_a":58.79,"ucprefix":false,"parent":"","keywords":"performance,network,network information,netinfo","ie_id":"","chrome_id":"6338383617982464","firefox_id":"","webkit_id":""},"setimmediate":{"title":"Efficient Script Yielding: setImmediate()","description":"Yields control flow without the minimum delays enforced by setTimeout","spec":"http://w3c.github.io/setImmediate/","status":"unoff","links":[{"url":"http://www.nczonline.net/blog/2013/07/09/the-case-for-setimmediate/","title":"The case for setImmediate()"},{"url":"http://www.nczonline.net/blog/2011/09/19/script-yielding-with-setimmediate/","title":"Script yielding with setImmediate"},{"url":"https://github.com/YuzuJS/setImmediate","title":"setImmediate polyfill"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=686201","title":"Firefox tracking bug"},{"url":"https://code.google.com/p/chromium/issues/detail?id=146172","title":"Chrome bug closed as WONTFIX"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":4.98,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"setImmediate,clearImmediate,setTimeout,performance","ie_id":"efficientscriptyieldingsetimmediate","chrome_id":"","firefox_id":"","webkit_id":""},"es6-number":{"title":"ES6 Number","description":"Extensions to the `Number` built-in object in ES6, including constant properties `EPSILON`, `MIN_SAFE_INTEGER`, and `MAX_SAFE_INTEGER`, and methods ` isFinite`, `isInteger`, `isSafeInteger`, and `isNaN`.","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-number-objects","status":"other","links":[{"url":"http://www.2ality.com/2015/04/numbers-math-es6.html","title":"New number and Math features in ES6"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #3","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"a #4","20":"a #4","21":"a #4","22":"a #4","23":"a #4","24":"a #4","25":"a #4","26":"a #4","27":"a #4","28":"a #4","29":"a #4","30":"a #4","31":"a #4","32":"a #4","33":"a #4","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a #4","16":"a #4","17":"a #4","18":"a #4","19":"a #4","20":"a #4","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"a #4","4.2-4.3":"a #4","4.4":"a #4","4.4.3-4.4.4":"a #4","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Partial refers to only supporting the `isFinite`, `isInteger`, and `isNaN` methods.","2":"Partial refers to supporting the same as #1 and the addition of the `EPSILON` property.","3":"Partial refers to supporting all new features except the `isSafeInteger` method.","4":"Partial refers to only supporting the `isFinite` and `isNaN` methods."},"usage_perc_y":89.18,"usage_perc_a":1.74,"ucprefix":false,"parent":"","keywords":"ES6,JavaScript,number,built-in,EPSILON,MIN_SAFE_INTEGER,MAX_SAFE_INTEGER,isFinite,isInteger,isSafeInteger,isNaN","ie_id":"numberbuiltinses6","chrome_id":"","firefox_id":"","webkit_id":""},"maxlength":{"title":"maxlength attribute for input and textarea elements","description":"Declares an upper bound on the number of characters the user can input. Normally the UI ignores attempts by the user to type in additional characters beyond this limit.","spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-input-maxlength","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input#attr-maxlength","title":"MDN Web Docs - attribute maxlength"}],"categories":["DOM","HTML5","JS API"],"stats":{"ie":{"5.5":"u","6":"a #1 #2 #3","7":"a #1 #2 #3","8":"a #1 #2 #3","9":"a #1 #2 #3","10":"y","11":"y"},"edge":{"12":"y #4","13":"y #4","14":"y #4","15":"y #4","16":"y #4","17":"y #4"},"firefox":{"2":"a #1 #2 #3","3":"a #1 #2 #3","3.5":"a #1 #2 #3","3.6":"a #1 #2 #3","4":"y #4","5":"y #4","6":"y #4","7":"y #4","8":"y #4","9":"y #4","10":"y #4","11":"y #4","12":"y #4","13":"y #4","14":"y #4","15":"y #4","16":"y #4","17":"y #4","18":"y #4","19":"y #4","20":"y #4","21":"y #4","22":"y #4","23":"y #4","24":"y #4","25":"y #4","26":"y #4","27":"y #4","28":"y #4","29":"y #4","30":"y #4","31":"y #4","32":"y #4","33":"y #4","34":"y #4","35":"y #4","36":"y #4","37":"y #4","38":"y #4","39":"y #4","40":"y #4","41":"y #4","42":"y #4","43":"y #4","44":"y #4","45":"y #4","46":"y #4","47":"y #4","48":"y #4","49":"y #4","50":"y #4","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"a #1 #2 #3","4":"a #1 #2 #3","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"a #1","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"a #5","8.1-8.4":"a #5","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y #6"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"a #1","37":"a #6"},"and_chr":{"64":"y #6"},"and_ff":{"57":"y #6"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y #6","5":"y #6","6.2":"y #6"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"`<textarea>`'s' UI does not prevent the user from typing additional characters beyond the `maxlength` limit.","2":"Does not support the `HTMLTextAreaElement.maxLength` DOM property.","3":"Does not support [`ValidityState.tooLong`](https://developer.mozilla.org/en-US/docs/Web/API/ValidityState/tooLong). In some cases, this is because `.validity` is not supported in the first place.","4":"Does not support `ValidityState.tooLong` correctly in the (unlikely) case of the value being initially set too long, then changed by the user to a still incorrect state. See [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1203844) and [MS Edge bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/4678527/).","5":"`<input>`'s UI does not prevent the user from typing additional characters beyond the `maxlength` limit between two existing characters of the string.","6":"Allows text beyond maxlength to be entered at first, but removes all characters past the maxlength when focus is lost."},"usage_perc_y":94.57,"usage_perc_a":3.63,"ucprefix":false,"parent":"form-validation","keywords":"maximum,length,input,textarea,too,long,validity,state","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"proxy":{"title":"Proxy object","description":"The Proxy object allows custom behavior to be defined for fundamental operations. Useful for logging, profiling, object visualization, etc.","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-proxy-object-internal-methods-and-internal-slots","status":"other","links":[{"url":"https://github.com/lukehoban/es6features#proxies","title":"ECMAScript 6 Proxies"},{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy","title":"MDN Web Docs - Proxy"},{"url":"http://www.nczonline.net/blog/2011/09/15/experimenting-with-ecmascript-6-proxies/","title":"Experimenting with ECMAScript 6 proxies"},{"url":"http://www.2ality.com/2014/12/es6-proxies.html","title":"Meta programming with ECMAScript 6 proxies"},{"url":"https://github.com/tvcutsem/harmony-reflect","title":"Polyfill for Proxies"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n d","20":"n d","21":"n d","22":"n d","23":"n d","24":"n d","25":"n d","26":"n d","27":"n d","28":"n d","29":"n d","30":"n d","31":"n d","32":"n d","33":"n d","34":"n d","35":"n d","36":"n d","37":"n d","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n d","16":"n d","17":"n d","18":"n d","19":"n d","20":"n d","21":"n d","22":"n d","23":"n d","24":"n d","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":86.84,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"proxies,es6,es2015,traps,meta,virtual,logging,host","ie_id":"proxieses6","chrome_id":"4811188005240832","firefox_id":"","webkit_id":"feature-proxy-objects"},"keyboardevent-which":{"title":"KeyboardEvent.which","description":"A legacy `KeyboardEvent` property that is equivalent to either `KeyboardEvent.keyCode` or `KeyboardEvent.charCode` depending on whether the key is alphanumeric.","spec":"https://w3c.github.io/uievents/#widl-KeyboardEvent-which","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/which","title":"MDN Web Docs - which"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"a #1"},"and_chr":{"64":"a #1"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"a #1"}},"notes":"This property is legacy and deprecated, but its replacement(s) are not yet widely supported.","notes_by_num":{"1":"`event.which` number for keys does not always match expected value (difference may be dependent on hardware vs. on-screen keyboard?). "},"usage_perc_y":61.06,"usage_perc_a":32.82,"ucprefix":false,"parent":"","keywords":"keyboard,event,which","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"keyboardevent-charcode":{"title":"KeyboardEvent.charCode","description":"A legacy `KeyboardEvent` property that gives the Unicode codepoint number of a character key pressed during a `keypress` event.","spec":"https://w3c.github.io/uievents/#widl-KeyboardEvent-charCode","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/charCode","title":"MDN Web Docs - charCode"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"u","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"u","12.1":"y","37":"n #1"},"and_chr":{"64":"y"},"and_ff":{"57":"n #1"},"ie_mob":{"10":"n #1","11":"n #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"This property is legacy and deprecated, but its replacement(s) are not yet widely supported.","notes_by_num":{"1":"Does not appear to support the `keypress` event at all"},"usage_perc_y":94.21,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"keyboard,event,key,char,character,code,charCode","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"keyboardevent-code":{"title":"KeyboardEvent.code","description":"A `KeyboardEvent` property representing the physical key that was pressed, ignoring the keyboard layout and ignoring whether any modifier keys were active.","spec":"https://www.w3.org/TR/uievents/#widl-KeyboardEvent-code","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/code","title":"MDN Web Docs - code"},{"url":"https://code.google.com/p/chromium/issues/detail?id=227231","title":"Chrome tracking bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=149584","title":"WebKit feature request bug"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n d #1"},"and_chr":{"64":"n d #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n d #1","6.2":"n d #1"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n d #1"}},"notes":"","notes_by_num":{"1":"Enabled in Chrome & Opera through the \"experimental Web Platform features\" flag"},"usage_perc_y":44.42,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"keyboard,event,code","ie_id":"uieventskeyboardqueryapis","chrome_id":"5228092293382144","firefox_id":"","webkit_id":""},"keyboardevent-location":{"title":"KeyboardEvent.location","description":"A `KeyboardEvent` property that indicates the location of the key on the input device. Useful when there are more than one physical key for the same logical key (e.g. left or right \"Control\" key; main or numpad \"1\" key).","spec":"https://www.w3.org/TR/uievents/#widl-KeyboardEvent-location","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/location","title":"MDN Web Docs - location"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"a #1","5":"a #1","5.1":"a #1","6":"u","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"u","12.1":"y","15":"a #1","16":"a #1","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"u","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Only supports `KeyboardEvent.keyLocation` from an older draft of the DOM Level 3 Events spec instead."},"usage_perc_y":93.9,"usage_perc_a":0.89,"ucprefix":false,"parent":"","keywords":"keyboard,event,key,location,keyLocation,numpad","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"keyboardevent-getmodifierstate":{"title":"KeyboardEvent.getModifierState()","description":"`KeyboardEvent` method that returns the state (whether the key is pressed/locked or not) of the given modifier key.","spec":"https://www.w3.org/TR/uievents/#widl-KeyboardEvent-getModifierState","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/getModifierState","title":"MDN Web Docs - getModifierState"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=40999","title":"WebKit feature request bug"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"u","12.1":"y","15":"n","16":"n","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"u","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":92.22,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"keyboard,event,get,modifier,state","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"keyboardevent-key":{"title":"KeyboardEvent.key","description":"A `KeyboardEvent` property whose value is a string identifying the key that was pressed. Covers character keys, non-character keys (e.g. arrow keys), and dead keys.","spec":"https://www.w3.org/TR/uievents/#widl-KeyboardEvent-key","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key","title":"MDN Web Docs - key"},{"url":"https://code.google.com/p/chromium/issues/detail?id=227231","title":"Chrome tracking bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=69029","title":"WebKit feature request bug"},{"url":"https://www.w3.org/TR/DOM-Level-3-Events-key/","title":"Spec listing all key string values"},{"url":"https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/8860571/","title":"Edge bug report"},{"url":"https://github.com/shvaikalesh/shim-keyboard-event-key","title":"shim-keyboard-event-key: shim for non-standard key identifiers for IE & Edge"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #2","10":"a #2","11":"a #2"},"edge":{"12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"u","12.1":"y","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"u","12.1":"y","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #2","11":"a #2"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support refers to these versions of Firefox returning `\"MozPrintableKey\"` for all character keys.","2":"Has non-standard key identifiers and incorrect behaviour with AltGraph."},"usage_perc_y":74.77,"usage_perc_a":5.13,"ucprefix":false,"parent":"","keywords":"keyboard,event,key","ie_id":"","chrome_id":"4748790720364544","firefox_id":"","webkit_id":""},"brotli":{"title":"Brotli Accept-Encoding/Content-Encoding","description":"More effective lossless compression algorithm than gzip and deflate.","spec":"https://tools.ietf.org/html/rfc7932","status":"other","links":[{"url":"http://google-opensource.blogspot.com/2015/09/introducing-brotli-new-compression.html","title":"Introducing Brotli"},{"url":"https://groups.google.com/a/chromium.org/forum/m/#!msg/blink-dev/JufzX024oy0/WEOGbN43AwAJ","title":"Blink's intent to ship"},{"url":"https://github.com/google/brotli","title":"Official code repository"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=154859","title":"WebKit Bug 154859: Add support for format brotli for HTTP compression"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n d #1","50":"y #2","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y #3","11.1":"y #3","TP":"y #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n d #1","37":"n d #1","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y #2"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Supported in Chrome and Opera behind the 'Brotli Content-Encoding' flag","2":"Enabled since 27 May 2016","3":"Support starting with macOS 10.13 High Sierra"},"usage_perc_y":83.06,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"http,compression,accept,content,encoding","ie_id":"brotlicompresseddataformat","chrome_id":"5420797577396224","firefox_id":"","webkit_id":""},"element-closest":{"title":"Element.closest()","description":"DOM method that returns the current element if it matches the given selector, or else the closest ancestor element that matches the given selector, or else null.","spec":"https://dom.spec.whatwg.org/#dom-element-closest","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Element/closest","title":"MDN Web Docs - closest"},{"url":"https://github.com/jonathantneal/closest","title":"Polyfill"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/10119510-element-closest","title":"Microsoft Edge feature request on UserVoice"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":87.64,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"element,closest,dom","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":"feature-element.closest()"},"input-event":{"title":"input event","description":"The `input` event is fired when the user changes the value of an `<input>` element, `<select>` element, or `<textarea>` element. By contrast, the \"change\" event usually only fires after the form control has lost focus.","spec":"https://html.spec.whatwg.org/multipage/forms.html#event-input-input","status":"ls","links":[{"url":"https://html.spec.whatwg.org/multipage/forms.html#send-select-update-notifications","title":"Specification for `<select>` elements firing the `input` event"},{"url":"https://developer.mozilla.org/en-US/docs/Web/Events/input","title":"MDN Web Docs - input event"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/10182111--input-type-checkbox-type-radio-should-fire-in","title":"Microsoft Edge feature request on UserVoice"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1 #3 #5","10":"y #3 #5","11":"y #3 #5"},"edge":{"12":"y #3 #5","13":"y #3 #5","14":"y #3 #5","15":"y #3 #5","16":"y #3 #5","17":"y #3 #5"},"firefox":{"2":"u","3":"a #2 #3 #4","3.5":"a #2 #3 #4","3.6":"y #3 #4","4":"y #3 #4","5":"y #3 #4","6":"y #3 #4","7":"y #3 #4","8":"y #3 #4","9":"y #3 #4","10":"y #3 #4","11":"y #3 #4","12":"y #3 #4","13":"y #3 #4","14":"y #3 #4","15":"y #3 #4","16":"y #3 #4","17":"y #3 #4","18":"y #3 #4","19":"y #3 #4","20":"y #3 #4","21":"y #3 #4","22":"y #3 #4","23":"y #3 #4","24":"y #3 #4","25":"y #3 #4","26":"y #3 #4","27":"y #3 #4","28":"y #3 #4","29":"y #3 #4","30":"y #3 #4","31":"y #3 #4","32":"y #3 #4","33":"y #3 #4","34":"y #3 #4","35":"y #3 #4","36":"y #3 #4","37":"y #3 #4","38":"y #3 #4","39":"y #3 #4","40":"y #3 #4","41":"y #3 #4","42":"y #3 #4","43":"y #3 #4","44":"y #3 #4","45":"y #3 #4","46":"y #3 #4","47":"y #3 #4","48":"y #3 #4","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y #3 #4","16":"y #3 #4","17":"y #3 #4","18":"y #3 #4","19":"y #3 #4","20":"y #3 #4","21":"y #3 #4","22":"y #3 #4","23":"y #3 #4","24":"y #3 #4","25":"y #3 #4","26":"y #3 #4","27":"y #3 #4","28":"y #3 #4","29":"y #3 #4","30":"y #3 #4","31":"y #3 #4","32":"y #3 #4","33":"y #3 #4","34":"y #3 #4","35":"y #4","36":"y #4","37":"y #4","38":"y #4","39":"y #4","40":"y #4","41":"y #4","42":"y #4","43":"y #4","44":"y #4","45":"y #4","46":"y #4","47":"y #4","48":"y #4","49":"y #4","50":"y #4","51":"y #4","52":"y #4","53":"y #4","54":"y #4","55":"y #4","56":"y #4","57":"y #4","58":"y #4","59":"y #4","60":"y #4","61":"y #4","62":"y #4","63":"y #4","64":"y #4","65":"y #4","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y #3 #4","6":"u","6.1":"y #4","7":"y #4","7.1":"y #4","8":"y #4","9":"y #4","9.1":"y #4","10":"y #4","10.1":"y #4","11":"y #4","11.1":"y #4","TP":"y #4"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"a #2","12":"u","12.1":"y","15":"y #3 #4","16":"y #3 #4","17":"y #3 #4","18":"y #3 #4","19":"y #3 #4","20":"y #3 #4","21":"y #3 #4","22":"y #4","23":"y #4","24":"y #4","25":"y #4","26":"y #4","27":"y #4","28":"y #4","29":"y #4","30":"y #4","31":"y #4","32":"y #4","33":"y #4","34":"y #4","35":"y #4","36":"y #4","37":"y #4","38":"y #4","39":"y #4","40":"y #4","41":"y #4","42":"y #4","43":"y #4","44":"y #4","45":"y #4","46":"y #4","47":"y #4","48":"y #4","49":"y #4","50":"y #4","51":"y #4","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y #3 #4","6.0-6.1":"y #3 #4","7.0-7.1":"y #3 #4","8":"y #4","8.1-8.4":"y #4","9.0-9.2":"y #4","9.3":"y #4","10.0-10.2":"y #4","10.3":"y #4","11.0-11.2":"y #4","11.3":"y #4"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y #3 #4","3":"y #3 #4","4":"y #3 #4","4.1":"y #3 #4","4.2-4.3":"y #3 #4","4.4":"y #3 #4","4.4.3-4.4.4":"y #4","62":"y #4"},"bb":{"7":"y #3 #4","10":"y #4"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y #4"},"and_chr":{"64":"y #4"},"and_ff":{"57":"y #3 #4"},"ie_mob":{"10":"y #3 #5","11":"y #3 #5"},"and_uc":{"11.8":"y #3 #4"},"samsung":{"4":"y #4","5":"y #4","6.2":"y #4"},"and_qq":{"1.2":"y #4"},"baidu":{"7.12":"y #4"}},"notes":"","notes_by_num":{"1":"Doesn't fire an `input` event when deleting text (via Backspace, Delete, Cut, etc.).","2":"Doesn't fire an `input` event when drag-and-dropping text into an `<input>` or `<textarea>`.","3":"`<select>` doesn't fire `input` events. See [MS Edge bug](https://developer.microsoft.com/microsoft-edge/platform/issues/4660045/) and [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1024350).","4":"Doesn't fire an `input` event when (un)checking a checkbox or radio button, or when changing the selected file(s) of an `<input type=\"file\">`. See [Chrome bug](https://code.google.com/p/chromium/issues/detail?id=534245), [WebKit bug](https://bugs.webkit.org/show_bug.cgi?id=149398), and [Firefox bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1206616).","5":"Doesn't fire an `input` event when (un)checking a checkbox or radio button. See [MS Edge bug](https://connect.microsoft.com/IE/feedback/details/1883692)."},"usage_perc_y":94.68,"usage_perc_a":0.15,"ucprefix":false,"parent":"","keywords":"oninput","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"input-search":{"title":"Search input type","description":"Search field form input type. Intended to look like the underlying platform's native search field widget (if there is one). Other than its appearance, it's the same as an `<input type=\"text\">`.","spec":"https://html.spec.whatwg.org/multipage/forms.html#text-(type=text)-state-and-search-state-(type=search)","status":"ls","links":[{"url":"https://css-tricks.com/webkit-html5-search-inputs/","title":"CSS-Tricks article"},{"url":"https://www.wufoo.com/html5/types/5-search.html","title":"Wufoo's The Current State of HTML5 Forms: The search Type"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y #1","11":"y #1"},"edge":{"12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y #1","5":"y #1","6":"y #1","7":"y #1","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"u","22":"u","23":"u","24":"u","25":"u","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"u","11.1":"u","11.5":"u","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y #1"},"android":{"2.1":"u","2.2":"u","2.3":"y #1","3":"y #1","4":"y #1","4.1":"y #1","4.2-4.3":"y #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y #1"},"op_mob":{"10":"n","11":"u","11.1":"u","11.5":"u","12":"y","12.1":"y #1","37":"y #1"},"and_chr":{"64":"y"},"and_ff":{"57":"y #1"},"ie_mob":{"10":"y #1","11":"y #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not use a special search-specific UI for the field, just the same UI as a regular `<input type=\"text\">`."},"usage_perc_y":97.56,"usage_perc_a":0,"ucprefix":false,"parent":"forms","keywords":"input,type,search","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-motion-paths":{"title":"CSS Motion Path","description":"Allows elements to be animated along SVG paths or shapes via the `offset-path` property. Originally defined as the `motion-path` property.","spec":"https://www.w3.org/TR/motion-1/","status":"wd","links":[{"url":"https://codepen.io/danwilson/post/css-motion-paths","title":"Blog post"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/motion-path","title":"MDN Web Docs - CSS motion-path"},{"url":"https://googlechrome.github.io/samples/css-motion-path/index.html","title":"Demo"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1186329","title":"Firefox tracking bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n d #1","44":"n d #1","45":"n d #1","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n d #1","31":"n d #1","32":"n d #1","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Requires the \"Experimental Web Platform features\" flag to be enabled"},"usage_perc_y":68.17,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"offset-position,offset-distance,offset-rotate","ie_id":"cssmotionpath","chrome_id":"6190642178818048","firefox_id":"css-motion-path","webkit_id":""},"css-scroll-behavior":{"title":"CSSOM Scroll-behavior","description":"Method of specifying the scrolling behavior for a scrolling box, when scrolling happens due to navigation or CSSOM scrolling APIs.","spec":"https://drafts.csswg.org/cssom-view/#propdef-scroll-behavior","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior","title":"MDN Web Docs - CSS scroll-behavior"},{"url":"https://code.google.com/p/chromium/issues/detail?id=243871","title":"Chrome launch bug "},{"url":"https://blog.gospodarets.com/native_smooth_scrolling","title":"Blog post with demo"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n d #1 #2","42":"n d #1 #2","43":"n d #1 #2","44":"n d #1 #2","45":"n d #1 #2","46":"n d #1 #2","47":"n d #1 #2","48":"n d #1 #2","49":"n d #1 #2","50":"n d #1 #2","51":"n d #1 #2","52":"n d #1 #2","53":"n d #1 #2","54":"n d #1 #2","55":"n d #1 #2","56":"n d #1 #2","57":"n d #1 #2","58":"n d #1 #2","59":"n d #1 #2","60":"n d #1 #2","61":"y #1","62":"y #1","63":"y #1","64":"y #1","65":"y #1","66":"y #1","67":"y #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n d #1 #2","29":"n d #1 #2","30":"n d #1 #2","31":"n d #1 #2","32":"n d #1 #2","33":"n d #1 #2","34":"n d #1 #2","35":"n d #1 #2","36":"n d #1 #2","37":"n d #1 #2","38":"n d #1 #2","39":"n d #1 #2","40":"n d #1 #2","41":"n d #1 #2","42":"n d #1 #2","43":"n d #1 #2","44":"n d #1 #2","45":"n d #1 #2","46":"n d #1 #2","47":"n d #1 #2","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n d #1 #2"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support refers to support everything except of `Element.scrollIntoView()` and not together with pinch viewport.","2":"Supported in Chrome and Opera behind the 'Smooth Scrolling' and/or 'Enable experimental web platform features' flag"},"usage_perc_y":59.89,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"smooth,scroll,cssom,scroll-behavior","ie_id":"cssomviewsmoothscrollapi","chrome_id":"5812155903377408","firefox_id":"","webkit_id":""},"css-read-only-write":{"title":"CSS :read-only and :read-write selectors","description":":read-only and :read-write pseudo-classes to match elements which are considered user-alterable","spec":"https://html.spec.whatwg.org/multipage/scripting.html#selector-read-only","status":"ls","links":[{"url":"https://css-tricks.com/almanac/selectors/r/read-write-read/","title":"CSS Tricks article"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/%3Aread-only","title":"MDN :read-only"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:read-write","title":"MDN Web Docs - CSS :read-write"},{"url":"https://drafts.csswg.org/selectors-4/#rw-pseudos","title":"Selectors Level 4 \u00a7 The Mutability Pseudo-classes: :read-only and :read-write"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=312971","title":"Firefox feature request bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"y x","3.5":"y x","3.6":"y x","4":"y x","5":"y x","6":"y x","7":"y x","8":"y x","9":"y x","10":"y x","11":"y x","12":"y x","13":"y x","14":"y x","15":"y x","16":"y x","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y x","50":"y x","51":"y x","52":"y x","53":"y x","54":"y x","55":"y x","56":"y x","57":"y x","58":"y x","59":"y x","60":"y x","61":"y x"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"a #1","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"y"},"bb":{"7":"a #1","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"a #1","12":"a #1","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y x"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Supports selector only for input and textarea fields, but not for contenteditable"},"usage_perc_y":89.37,"usage_perc_a":2.24,"ucprefix":false,"parent":"","keywords":"css,selector,read-only,read-write","ie_id":"cssmutabilitypseudoclasses","chrome_id":"","firefox_id":"","webkit_id":""},"subresource-integrity":{"title":"Subresource Integrity","description":"Subresource Integrity enables browsers to verify that file is delivered without unexpected manipulation.","spec":"https://www.w3.org/TR/SRI/","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Security/Subresource_Integrity","title":"Subresource Integrity (MDN)"},{"url":"https://www.srihash.org/","title":"SRI generation and browser support test"},{"url":"https://sritest.io","title":"SRI hash webpage scanner"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=148363","title":"WebKit feature request bug"}],"categories":["HTML5","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n d #1","11.3":"n d #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Can be enabled via the \"Experimental Features\" developer menu"},"usage_perc_y":75,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"SRI, security, hash","ie_id":"subresourceintegrity","chrome_id":"6183089948590080","firefox_id":"subresource-integrity","webkit_id":"feature-subresource-integrity"},"custom-elementsv1":{"title":"Custom Elements v1","description":"Method of defining new HTML tags.","spec":"https://html.spec.whatwg.org/multipage/scripting.html#custom-elements","status":"ls","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=889230","title":"Firefox tracking bug: Implement Custom Elements (from Web Components)"},{"url":"http://status.modern.ie/customelements","title":"IE Web Platform Status and Roadmap: Custom Elements"},{"url":"https://developers.google.com/web/fundamentals/primers/customelements/","title":"Google Developers - Custom elements v1: reusable web components"},{"url":"https://github.com/webcomponents/webcomponentsjs/tree/v1/src/CustomElements/v1","title":"customElements.define polyfill"},{"url":"https://webkit.org/blog/7027/introducing-custom-elements/","title":"WebKit Blog: Introducing Custom Elements"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"p","11":"p"},"edge":{"12":"p","13":"p","14":"p","15":"p","16":"p","17":"p"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p d #2 #1","51":"p d #2 #1","52":"p d #2 #1","53":"p d #2 #1","54":"p d #2 #1","55":"p d #2 #1","56":"p d #2 #1","57":"p d #2 #1","58":"p d #2 #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"p","53":"p","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"a #1","64":"a #1","65":"a #1","66":"a #1","67":"a #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"p","9":"p","9.1":"p","10":"p","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #1"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #1"},"and_ff":{"57":"p"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"a #1","6.2":"y"},"and_qq":{"1.2":"p"},"baidu":{"7.12":"a #1"}},"notes":"Chrome 36+/Opera 20+ implemented a previous version of Custom Elements (v0) that used `.registerElement()`. Other browsers are implementing v1, `window.customElements.define()`.","notes_by_num":{"1":"Supports \"Autonomous custom elements\" but not \"Customized built-in elements\"","2":"Enabled through the \"dom.webcomponents.enabled\" or \"dom.webcomponents.customelements.enabled\" preference in about:config"},"usage_perc_y":10.21,"usage_perc_a":67.44,"ucprefix":false,"parent":"","keywords":"web components,custom elements","ie_id":"customelements","chrome_id":"4696261944934400","firefox_id":"custom-elements","webkit_id":"feature-custom-elements"},"css-in-out-of-range":{"title":":in-range and :out-of-range CSS pseudo-classes","description":"If a temporal or number `<input>` has `max` and/or `min` attributes, then `:in-range` matches when the value is within the specified range and `:out-of-range` matches when the value is outside the specified range. If there are no range constraints, then neither pseudo-class matches.","spec":"https://www.w3.org/TR/selectors4/#range-pseudos","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:out-of-range","title":"MDN Web Docs - CSS :out-of-range"},{"url":"https://html.spec.whatwg.org/multipage/scripting.html#selector-in-range","title":"WHATWG HTML specification for `:in-range` and `:out-of-range`"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"a #3","30":"a #3","31":"a #3","32":"a #3","33":"a #3","34":"a #3","35":"a #3","36":"a #3","37":"a #3","38":"a #3","39":"a #3","40":"a #3","41":"a #3","42":"a #3","43":"a #3","44":"a #3","45":"a #3","46":"a #3","47":"a #3","48":"a #3","49":"a #3","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a #2 #3","16":"a #2 #3","17":"a #2 #3","18":"a #2 #3","19":"a #2 #3","20":"a #2 #3","21":"a #2 #3","22":"a #2 #3","23":"a #2 #3","24":"a #2 #3","25":"a #2 #3","26":"a #2 #3","27":"a #2 #3","28":"a #2 #3","29":"a #2 #3","30":"a #2 #3","31":"a #2 #3","32":"a #2 #3","33":"a #2 #3","34":"a #2 #3","35":"a #2 #3","36":"a #2 #3","37":"a #2 #3","38":"a #2 #3","39":"a #2 #3","40":"a #2 #3","41":"a #2 #3","42":"a #2 #3","43":"a #2 #3","44":"a #2 #3","45":"a #2 #3","46":"a #2 #3","47":"a #2 #3","48":"a #2 #3","49":"a #2 #3","50":"a #2 #3","51":"a #2 #3","52":"a #2","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"a #2 #3","6":"a #2 #3","6.1":"a #2 #3","7":"a #2 #3","7.1":"a #2 #3","8":"a #2 #3","9":"a #2 #3","9.1":"a #2 #3","10":"a #2 #3","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a #2","10.5":"a #2","10.6":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","11.6":"a #2","12":"a #2","12.1":"a #2","15":"a #2 #3","16":"a #2 #3","17":"a #2 #3","18":"a #2 #3","19":"a #2 #3","20":"a #2 #3","21":"a #2 #3","22":"a #2 #3","23":"a #2 #3","24":"a #2 #3","25":"a #2 #3","26":"a #2 #3","27":"a #2 #3","28":"a #2 #3","29":"a #2 #3","30":"a #2 #3","31":"a #2 #3","32":"a #2 #3","33":"a #2 #3","34":"a #2 #3","35":"a #2 #3","36":"a #2 #3","37":"a #2 #3","38":"a #2 #3","39":"a #2","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"a #2 #3","6.0-6.1":"a #2 #3","7.0-7.1":"a #2 #3","8":"a #2 #3","8.1-8.4":"a #2 #3","9.0-9.2":"a #2 #3","9.3":"a #2 #3","10.0-10.2":"a #2 #3","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"a #2","4.1":"a #2","4.2-4.3":"a #2","4.4":"a #2","4.4.3-4.4.4":"a #2","62":"y"},"bb":{"7":"n","10":"a #2"},"op_mob":{"10":"a #2","11":"a #2","11.1":"a #2","11.5":"a #2","12":"a #2","12.1":"a #2","37":"a #2"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"a #2","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Note that `<input type=\"range\">` can never match `:out-of-range` because the user cannot input such a value, and if the initial value is outside the range, the browser immediately clamps it to the minimum or maximum (as appropriate) bound of the range.","notes_by_num":{"1":"Opera Mini correctly applies style on initial load, but does not correctly update when value is changed.","2":"`:in-range` also incorrectly matches temporal and `number` inputs which don't have `min` or `max` attributes. See [Edge bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7200501/), [Chrome bug](https://bugs.chromium.org/p/chromium/issues/detail?id=603268), [WebKit bug](https://bugs.webkit.org/show_bug.cgi?id=156558).","3":"`:in-range` and `:out-of-range` incorrectly match inputs which are disabled or readonly. See [Edge bug](https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7190958/), [Mozilla bug](https://bugzilla.mozilla.org/show_bug.cgi?id=1264157), [WebKit bug](https://bugs.webkit.org/show_bug.cgi?id=156530), [Chrome bug](https://bugs.chromium.org/p/chromium/issues/detail?id=602568)."},"usage_perc_y":82.63,"usage_perc_a":11.71,"ucprefix":false,"parent":"","keywords":"in,out,of,range,:in-range,:out-of-range","ie_id":"cssrangepseudoclasses","chrome_id":"","firefox_id":"","webkit_id":""},"push-api":{"title":"Push API","description":"API to allow messages to be pushed from a server to a browser, even when the site isn't focused or even open in the browser.","spec":"https://w3c.github.io/push-api/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Push_API","title":"MDN Web Docs - Push API"},{"url":"https://developers.google.com/web/updates/2015/03/push-notifications-on-the-open-web","title":"Google Developers article"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"y #2","45":"y #2 #4","46":"y #2","47":"y #2","48":"y #2","49":"y #2","50":"y #2","51":"y #2","52":"y #2 #4","53":"y #2","54":"y #2","55":"y #2","56":"y #2","57":"y #2","58":"y #2","59":"y #2","60":"y #2","61":"y #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"a #1 #2","45":"a #1 #2","46":"a #1 #2","47":"a #1 #2","48":"a #1 #2","49":"a #1 #2","50":"y #2","51":"y #2","52":"y #2","53":"y #2","54":"y #2","55":"y #2","56":"y #2","57":"y #2","58":"y #2","59":"y #2","60":"y #2","61":"y #2","62":"y #2","63":"y #2","64":"y #2","65":"y #2","66":"y #2","67":"y #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n #3","10":"n #3","10.1":"n #3","11":"n #3","11.1":"n #3","TP":"n #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"u","38":"u","39":"u","40":"u","41":"u","42":"y #2","43":"y #2","44":"y #2","45":"y #2","46":"y #2","47":"y #2","48":"y #2","49":"y #2","50":"y #2","51":"y #2","52":"y #2"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support refers to not supporting `PushEvent.data` and `PushMessageData`","2":"Requires full browser to be running to receive messages","3":"Safari supports a custom implementation https://developer.apple.com/notifications/safari-push-notifications/. WWDC video by apple : https://developer.apple.com/videos/play/wwdc2013/614/ ","4":"Disabled on Firefox ESR, but can be re-enabled with the `dom.serviceWorkers.enabled` and `dom.push.enabled` flags"},"usage_perc_y":73.36,"usage_perc_a":1.12,"ucprefix":false,"parent":"","keywords":"push notifications","ie_id":"pushapi","chrome_id":"5416033485586432","firefox_id":"push","webkit_id":""},"template-literals":{"title":"ES6 Template Literals (Template Strings)","description":"Template literals are string literals allowing embedded expressions. You can use multi-line strings and string interpolation features with them. Formerly known as template strings.","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-template-literals","status":"other","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals","title":"MDN Web Docs - Template literals"},{"url":"https://ponyfoo.com/articles/es6-template-strings-in-depth","title":"ES6 Template Literals in Depth"}],"categories":["JS","JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"u","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":88.88,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"templatestringses6","chrome_id":"4743002513735680","firefox_id":"","webkit_id":"feature-template-literals"},"font-family-system-ui":{"title":"system-ui value for font-family","description":"Value for `font-family` that represents the default user interface font.","spec":"https://drafts.csswg.org/css-fonts-4/#system-ui-def","status":"wd","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1226042","title":"Firefox support bug"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-family","title":"MDN on the font-family property"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n #2","54":"n #2","55":"n #2","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"u","9.1":"a #1 #2","10":"a #1 #2","10.1":"a #1 #2","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Supported as the `-apple-ui` value (only on Mac)","2":"Supported as the 'BlinkMacSystemFont'  value (only on Mac)"},"usage_perc_y":75.33,"usage_perc_a":7.87,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5640395337760768","firefox_id":"","webkit_id":""},"flac":{"title":"FLAC audio format","description":"Popular lossless audio compression format","spec":"https://xiph.org/flac/format.html","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/FLAC","title":"Wikipedia"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=93887","title":"Chrome support bug"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/15601752-support-flac","title":"Edge UserVoice request"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"u","45":"u","46":"u","47":"a #1 #2","48":"a #1 #2","49":"a #1 #2","50":"a #1 #2","51":"a #1 #2","52":"a #1 #2","53":"a #1 #2","54":"a #1 #2","55":"a #1 #2","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"a #3","11.1":"a #3","TP":"a #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"u","4":"u","4.1":"u","4.2-4.3":"u","4.4":"u","4.4.3-4.4.4":"u","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"y","37":"y #1"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y #1","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"Support refers to this format's use in the `audio` element, not other conditions.","notes_by_num":{"1":"HTMLMediaElement.canPlayType('audio/flac') returns an empty string","2":"Only works on ChromeOS","3":"Supported only on macOS High Sierra or later"},"usage_perc_y":80.9,"usage_perc_a":3.13,"ucprefix":false,"parent":"audio","keywords":"flac,lossless,audio","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"background-position-x-y":{"title":"background-position-x & background-position-y","description":"CSS longhand properties to define x or y positions separately.","spec":"https://drafts.csswg.org/css-backgrounds-4/#background-position-longhands","status":"unoff","links":[{"url":"https://msdn.microsoft.com/en-us/library/ms530719%28v=vs.85%29.aspx","title":"MSDN article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=550426","title":"Firefox implementation bug"},{"url":"http://snook.ca/archives/html_and_css/background-position-x-y","title":"Blog post on background-position-x & y properties"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/background-position-x","title":"MDN Web Docs - background-position-x"},{"url":"https://developer.mozilla.org/en/docs/Web/CSS/background-position-y","title":"MDN Web Docs - background-position-y"}],"categories":["CSS"],"stats":{"ie":{"5.5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"A workaround for the lack of support in Firefox 31 - Firefox 48 is to use [CSS variables](https://developer.mozilla.org/en-US/docs/Web/CSS/Using_CSS_variables). See [this Stack Overflow answer](https://stackoverflow.com/a/29282573/94197) for an example.","notes_by_num":{},"usage_perc_y":94.49,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-revert-value":{"title":"CSS revert value","description":"A CSS keyword value that resets a property's value to the default specified by the browser in its UA stylesheet, as if the webpage had not included any CSS. For example, `display:revert` on a `<div>` would result in `display:block`. This is in contrast to the `initial` value, which is simply defined on a per-property basis, and for `display` would be `inline`.","spec":"https://www.w3.org/TR/css-cascade-4/#valdef-all-revert","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/revert","title":"MDN Web Docs - CSS revert"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1215878","title":"Firefox feature request bug"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/10469316-the-css4-revert-value","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://code.google.com/p/chromium/issues/detail?id=579788","title":"Chrome feature request issue"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":12.14,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"CSS,reset,value","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-widows-orphans":{"title":"CSS widows & orphans","description":"CSS properties to control when lines break across pages or columns by defining the amount of lines that must be left before or after the break.","spec":"https://drafts.csswg.org/css-break-3/#widows-orphans","status":"rec","links":[{"url":"http://thenewcode.com/946/CSS-last-line-Controlling-Widows-amp-Orphans","title":"CSS last-line: Controlling Widows & Orphans"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=137367","title":"Firefox support bug"},{"url":"http://tympanus.net/codrops/css_reference/orphans/","title":"codrops article on orphans"},{"url":"http://tympanus.net/codrops/css_reference/widows/","title":"codrops article on widows"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"y #1","9":"y #1","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y #1","9.5-9.6":"y #1","10.0-10.1":"y #1","10.5":"y #1","10.6":"y #1","11":"y #1","11.1":"y #1","11.5":"y #1","11.6":"y #1","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Some older WebKit-based browsers recognize the properties, but do not appear to have actual support","notes_by_num":{"1":"Supports widows & orphans properties, but due to not supporting CSS multi-columns the support is only for page breaks (for print)"},"usage_perc_y":91.83,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"web-bluetooth":{"title":"Web Bluetooth","description":"Allows web sites to communicate over GATT with nearby user-selected Bluetooth devices in a secure and privacy-preserving way.","spec":"http://webbluetoothcg.github.io/web-bluetooth/","status":"unoff","links":[{"url":"https://developers.google.com/web/updates/2015/07/interact-with-ble-devices-on-the-web","title":"Intro"},{"url":"https://googlechrome.github.io/samples/web-bluetooth/","title":"Samples"},{"url":"https://github.com/WebBluetoothCG/demos","title":"Demos"},{"url":"https://github.com/WebBluetoothCG/web-bluetooth/blob/gh-pages/implementation-status.md","title":"Implementation Status"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1 #3","54":"n d #1 #3","55":"n d #1 #3","56":"y #4","57":"y #4","58":"y #4","59":"y #4","60":"y #4","61":"y #4","62":"y #4","63":"y #4","64":"y #4","65":"y #4","66":"y #4","67":"y #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n d #1 #2","37":"n d #1 #2","38":"n d #1 #2","39":"n d #1 #2","40":"n d #1 #3","41":"n d #1 #3","42":"n d #1 #3","43":"y #4","44":"y #4","45":"y #4","46":"y #4","47":"y #4","48":"y #4","49":"y #4","50":"y #4","51":"y #4","52":"y #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y #4"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y #4"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"y"},"and_qq":{"1.2":"n d #1 #3"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Available by enabling the \"Web Bluetooth\" experimental flag in `about:flags`. Currently support [varies by OS](https://github.com/WebBluetoothCG/web-bluetooth/blob/gh-pages/implementation-status.md)","2":"Only in Opera Mobile","3":"Available in [Origin Trials](https://developers.google.com/web/updates/2015/07/interact-with-ble-devices-on-the-web#available-for-origin-trials) for Chrome OS, Android M, and Mac","4":"Currently support [varies by OS](https://github.com/WebBluetoothCG/web-bluetooth/blob/gh-pages/implementation-status.md)"},"usage_perc_y":57.61,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"bluetooth,ble,iot,physicalweb,webbluetooth","ie_id":"webbluetooth","chrome_id":"5264933985976320","firefox_id":"web-bluetooth","webkit_id":"feature-web-bluetooth"},"scrollintoview":{"title":"scrollIntoView","description":"The `Element.scrollIntoView()` method scrolls the current element into the visible area of the browser window. Parameters can be provided to set the position inside the visible area as well as whether scrolling should be instant or smooth.","spec":"https://drafts.csswg.org/cssom-view/#dom-element-scrollintoview","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView","title":"MDN Web Docs - scrollIntoView"},{"url":"http://iamdustan.com/smoothscroll/","title":"smooth scroll polyfill : polyfill for smooth behavior option"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #1","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"a #1","3":"a #1","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"u","11.1":"u","11.5":"u","11.6":"a #1","12":"a #1","12.1":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"a #1"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"a #1","37":"a #1"},"and_chr":{"64":"y"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"a #1","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"a #1"}},"notes":"","notes_by_num":{"1":"Supports scrollIntoView with boolean parameter, but not `smooth` behavior option"},"usage_perc_y":59.89,"usage_perc_a":35.24,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-nth-child-of":{"title":"selector list argument of :nth-child and :nth-last-child CSS pseudo-classes","description":"The newest versions of `:nth-child()` and `:nth-last-child()` accept an optional `of S` clause which filters the children to only those which match the selector list `S`. For example, `:nth-child(1 of .foo)` selects the first child among the children that have the `foo` class (ignoring any non-`foo` children which precede that child). Similar to `:nth-of-type`, but for arbitrary selectors instead of only type selectors.","spec":"https://drafts.csswg.org/selectors/#the-nth-child-pseudo","status":"unoff","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=854148","title":"Mozilla Bug 854148 - Support for :nth-child(An+B of sel), :nth-last-child(An+B of sel) pseudo-classes"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=304163","title":"Chromium Issue 304163: Implement :nth-child(an+b of S) and :nth-last-child(an+b of S) pseudo-classes"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/15944476","title":"MS Edge feature request on UserVoice"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"For support information for just `:nth-child()` see [CSS3 selector support](#feat=css-sel3)","notes_by_num":{},"usage_perc_y":12.29,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"nth-child,nth-last-child,nth,child,an,b,of,s,sel,selector,list","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":"feature-css-selector-:nth-child(an+b-of-selector-list)-and-:nth-last-child(an+b-of-selector-list)"},"focusin-focusout-events":{"title":"focusin & focusout events","description":"The `focusin` and `focusout` events fire just before the element gains or loses focus, and they bubble. By contrast, the `focus` and `blur` events fire after the focus has shifted, and don't bubble.","spec":"https://www.w3.org/TR/DOM-Level-3-Events/#event-type-focusin","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Events/focusin","title":"MDN Web Docs - focusin"},{"url":"https://developer.mozilla.org/en-US/docs/Web/Events/focusout","title":"MDN Web Docs - focusout"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=687787","title":"Mozilla Bug 687787 - Add support for DOM3 focusin/focusout"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"u","11.1":"u","11.5":"u","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"u","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"u","11.1":"u","11.5":"u","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"In browsers that don't support these events, one alternative is to use a capture phase event listener for the `focus` and/or `blur` events.","notes_by_num":{},"usage_perc_y":94.29,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"focusin,focusout,focus,event","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-matches-pseudo":{"title":":matches() CSS pseudo-class","description":"The `:matches()` (formerly `:any()`) pseudo-class checks whether the element at its position in the outer selector matches any of the selectors in its selector list. It's useful syntactic sugar that allows you to avoid writing out all the combinations manually as separate selectors. The effect is similar to nesting in Sass and most other CSS preprocessors.","spec":"https://www.w3.org/TR/selectors4/#matches","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:any","title":"MDN Web Docs - CSS :any"},{"url":"https://webkit.org/blog/3615/css-selectors-inside-selectors-discover-matches-not-and-nth-child/","title":"WebKit blog post about adding `:matches()` and other Selectors Level 4 features"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=906353","title":"Mozilla Bug 906353 - Add support for css4 selector :matches(), the standard of :-moz-any()"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/9361350--matches","title":"Microsoft Edge UserVoice feature request for :matches()"},{"url":"http://output.jsbin.com/lehina","title":"JS Bin testcase"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=568705","title":"Issue 568705: Chrome does not support :matches() selector"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"u","3":"u","3.5":"u","3.6":"u","4":"a x #3","5":"a x #3","6":"a x #3","7":"a x #3","8":"a x #3","9":"a x #3","10":"a x #3","11":"a x #3","12":"a x #3","13":"a x #3","14":"a x #3","15":"a x #3","16":"a x #3","17":"a x #3","18":"a x #3","19":"a x #3","20":"a x #3","21":"a x #3","22":"a x #3","23":"a x #3","24":"a x #3","25":"a x #3","26":"a x #3","27":"a x #3","28":"a x #3","29":"a x #3","30":"a x #3","31":"a x #3","32":"a x #3","33":"a x #3","34":"a x #3","35":"a x #3","36":"a x #3","37":"a x #3","38":"a x #3","39":"a x #3","40":"a x #3","41":"a x #3","42":"a x #3","43":"a x #3","44":"a x #3","45":"a x #3","46":"a x #3","47":"a x #3","48":"a x #3","49":"a x #3","50":"a x #3","51":"a x #3","52":"a x #3","53":"a x #3","54":"a x #3","55":"a x #3","56":"a x #3","57":"a x #3","58":"a x #3","59":"a x #3","60":"a x #3","61":"a x #3"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1","53":"a x #1","54":"a x #1","55":"a x #1","56":"a x #1","57":"a x #1","58":"a x #1","59":"a x #1","60":"a x #1","61":"a x #1","62":"a x #1","63":"a x #1","64":"a x #1","65":"a x #1","66":"a x #1","67":"a x #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"u","5.1":"a x #1","6":"a x #1","6.1":"a x #1","7":"a x #1","7.1":"a x #1","8":"a x #1","9":"y #2","9.1":"y #2","10":"y #2","10.1":"y #2","11":"y #2","11.1":"y #2","TP":"y #2"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a x #1","16":"a x #1","17":"a x #1","18":"a x #1","19":"a x #1","20":"a x #1","21":"a x #1","22":"a x #1","23":"a x #1","24":"a x #1","25":"a x #1","26":"a x #1","27":"a x #1","28":"a x #1","29":"a x #1","30":"a x #1","31":"a x #1","32":"a x #1","33":"a x #1","34":"a x #1","35":"a x #1","36":"a x #1","37":"a x #1","38":"a x #1","39":"a x #1","40":"a x #1","41":"a x #1","42":"a x #1","43":"a x #1","44":"a x #1","45":"a x #1","46":"a x #1","47":"a x #1","48":"a x #1","49":"a x #1","50":"a x #1","51":"a x #1","52":"a x #1"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"a x #1","8":"a x #1","8.1-8.4":"a x #1","9.0-9.2":"y #2","9.3":"y #2","10.0-10.2":"y #2","10.3":"y #2","11.0-11.2":"y #2","11.3":"y #2"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"a x #1","4.1":"a x #1","4.2-4.3":"a x #1","4.4":"a x #1","4.4.3-4.4.4":"a x #1","62":"a x #1"},"bb":{"7":"u","10":"a x #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a x #1"},"and_chr":{"64":"a x #1"},"and_ff":{"57":"a x #3"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a x #1"},"samsung":{"4":"a x #1","5":"a x #1","6.2":"a x #1"},"and_qq":{"1.2":"a x #1"},"baidu":{"7.12":"a x #1"}},"notes":"Most browsers support this spelled as a prefixed `:-vendor-any()` pseudo-class.","notes_by_num":{"1":"Only supports the `:-webkit-any()` pseudo-class, which is deprecated due to handling specificity incorrectly.","2":"Also supports the `:-webkit-any()` pseudo-class, which is deprecated due to handling specificity incorrectly.","3":"Only supports the `:-moz-any()` pseudo-class."},"usage_perc_y":12.29,"usage_perc_a":77.28,"ucprefix":false,"parent":"","keywords":":matches,matches,:any,any","ie_id":"","chrome_id":"5445716612743168","firefox_id":"","webkit_id":"feature-css-selector-:matches()"},"rel-noopener":{"title":"rel=noopener","description":"Ensure new browsing contexts are opened without a useful `window.opener`","spec":"https://html.spec.whatwg.org/multipage/semantics.html#link-type-noopener","status":"ls","links":[{"url":"https://mathiasbynens.github.io/rel-noopener/","title":"Explainer"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1222516","title":"Gecko/Firefox issue"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=155166","title":"WebKit/Safari issue"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/12942405-implement-rel-noopener","title":"Edge feature request"}],"categories":["DOM","HTML5","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":83.66,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"rel,relation,link,security","ie_id":"","chrome_id":"5651874132787200","firefox_id":"","webkit_id":""},"css-text-justify":{"title":"CSS text-justify","description":"CSS property to define how text should be justified when `text-align: justify` is set.","spec":"https://drafts.csswg.org/css-text-3/#text-justify-property","status":"wd","links":[{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=248894","title":"Chrome support bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=99945","title":"WebKit support bug"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=276079","title":"Firefox support bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"u","6":"u","7":"u","8":"a #1","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n d #3 #4","55":"y #4","56":"y #4","57":"y #4","58":"y #4","59":"y #4","60":"y #4","61":"y #4"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n d #2","44":"n d #2","45":"n d #2","46":"n d #2","47":"n d #2","48":"n d #2","49":"n d #2","50":"n d #2","51":"n d #2","52":"n d #2","53":"n d #2","54":"n d #2","55":"n d #2","56":"n d #2","57":"n d #2","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2","62":"n d #2","63":"n d #2","64":"n d #2","65":"n d #2","66":"n d #2","67":"n d #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n d #2","31":"n d #2","32":"n d #2","33":"n d #2","34":"n d #2","35":"n d #2","36":"n d #2","37":"n d #2","38":"n d #2","39":"n d #2","40":"n d #2","41":"n d #2","42":"n d #2","43":"n d #2","44":"n d #2","45":"n d #2","46":"n d #2","47":"n d #2","48":"n d #2","49":"n d #2","50":"n d #2","51":"n d #2","52":"n d #2"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n d #2"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n d #2"},"and_chr":{"64":"n d #2"},"and_ff":{"57":"y #4"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n d #2","6.2":"n d #2"},"and_qq":{"1.2":"n d #2"},"baidu":{"7.12":"n d #2"}},"notes":"","notes_by_num":{"1":"Supports `inter-word`, but not `inter-character` or  `none`. Also supports the following unofficial values: `distribute` , `distribute-all-lines`, `distribute-center-last`, `inter-cluster`, `inter-ideograph`, `newspaper`. See [MSDN](https://msdn.microsoft.com/en-us/library/ms531172%28v=vs.85%29.aspx) for details.","2":"`inter-word` and `distribute` values supported behind the \"Experimental platform features\" flag but `distribute` support [is buggy](https://bugs.chromium.org/p/chromium/issues/detail?id=467406)","3":"Behind the \"layout.css.text-justify.enabled\" flag","4":"Supports `auto`, `none`, `inter-word`, `inter-character`, and `distribute` with the exact same meaning and behavior as `inter-character` for legacy reasons."},"usage_perc_y":4.36,"usage_perc_a":5.31,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-scrollbar":{"title":"CSS scrollbar styling","description":"Non-standard methods of styling scrollbars.","spec":"https://webkit.org/blog/363/styling-scrollbars/","status":"unoff","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=77790","title":"Firefox support bug"},{"url":"https://stackoverflow.com/questions/9251354/css-customized-scroll-bar-in-div/14150577#14150577","title":"Stackoverflow article discussiong cross-browser support"},{"url":"http://codemug.com/html/custom-scrollbars-using-css/","title":"Tutorial for IE & WebKit/Blink browsers"},{"url":"http://utatti.github.io/perfect-scrollbar/","title":"\"perfect-scrollbar\" - Minimal custom scrollbar plugin"},{"url":"http://manos.malihu.gr/jquery-custom-content-scroller/","title":"jQuery custom content scroller"}],"categories":["CSS"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y x #2","5":"y x #2","6":"y x #2","7":"y x #2","8":"y x #2","9":"y x #2","10":"y x #2","11":"y x #2","12":"y x #2","13":"y x #2","14":"y x #2","15":"y x #2","16":"y x #2","17":"y x #2","18":"y x #2","19":"y x #2","20":"y x #2","21":"y x #2","22":"y x #2","23":"y x #2","24":"y x #2","25":"y x #2","26":"y x #2","27":"y x #2","28":"y x #2","29":"y x #2","30":"y x #2","31":"y x #2","32":"y x #2","33":"y x #2","34":"y x #2","35":"y x #2","36":"y x #2","37":"y x #2","38":"y x #2","39":"y x #2","40":"y x #2","41":"y x #2","42":"y x #2","43":"y x #2","44":"y x #2","45":"y x #2","46":"y x #2","47":"y x #2","48":"y x #2","49":"y x #2","50":"y x #2","51":"y x #2","52":"y x #2","53":"y x #2","54":"y x #2","55":"y x #2","56":"y x #2","57":"y x #2","58":"y x #2","59":"y x #2","60":"y x #2","61":"y x #2","62":"y x #2","63":"y x #2","64":"y x #2","65":"y x #2","66":"y x #2","67":"y x #2"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y x #2","6":"y x #2","6.1":"y x #2","7":"y x #2","7.1":"y x #2","8":"y x #2","9":"y x #2","9.1":"y x #2","10":"y x #2","10.1":"y x #2","11":"y x #2","11.1":"y x #2","TP":"y x #2"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y x #2","16":"y x #2","17":"y x #2","18":"y x #2","19":"y x #2","20":"y x #2","21":"y x #2","22":"y x #2","23":"y x #2","24":"y x #2","25":"y x #2","26":"y x #2","27":"y x #2","28":"y x #2","29":"y x #2","30":"y x #2","31":"y x #2","32":"y x #2","33":"y x #2","34":"y x #2","35":"y x #2","36":"y x #2","37":"y x #2","38":"y x #2","39":"y x #2","40":"y x #2","41":"y x #2","42":"y x #2","43":"y x #2","44":"y x #2","45":"y x #2","46":"y x #2","47":"y x #2","48":"y x #2","49":"y x #2","50":"y x #2","51":"y x #2","52":"y x #2"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"y x #2","8":"y x #2","8.1-8.4":"y x #2","9.0-9.2":"y x #2","9.3":"y x #2","10.0-10.2":"y x #2","10.3":"y x #2","11.0-11.2":"y x #2","11.3":"y x #2"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y x #2","3":"y x #2","4":"y x #2","4.1":"y x #2","4.2-4.3":"y x #2","4.4":"y x #2","4.4.3-4.4.4":"y x #2","62":"y x #2"},"bb":{"7":"y x #2","10":"y x #2"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y x #2"},"and_chr":{"64":"y x #2"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y x #2"},"samsung":{"4":"y x #2","5":"y x #2","6.2":"y x #2"},"and_qq":{"1.2":"y x #2"},"baidu":{"7.12":"y x #2"}},"notes":"Currently scrollbar styling doesn't appear to be on any standards track.","notes_by_num":{"1":"Only supports styling [scrollbar colors](https://msdn.microsoft.com/en-us/library/ms531155%28v=vs.85%29.aspx), no other properties to define the scrollbar's appearance.","2":"Supports scrollbar styling via CSS [pseudo-properties](https://webkit.org/blog/363/styling-scrollbars/)."},"usage_perc_y":84.06,"usage_perc_a":3.28,"ucprefix":false,"parent":"","keywords":"scrollbar-button,scrollbar-track,scrollbar-thumb,scrollbar-base-color,scrollbar-face-color","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"link-rel-preload":{"title":"Resource Hints: preload","description":"Using `<link rel=\"preload\">`, browsers can be informed to prefetch resources without having to execute them, allowing fine-grained control over when and how resources are loaded.","spec":"https://w3c.github.io/preload/","status":"cr","links":[{"url":"https://www.smashingmagazine.com/2016/02/preload-what-is-it-good-for/","title":"Preload: What Is It Good For?"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1222633","title":"Firefox support bug"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Preloading_content","title":"MDN Web Docs - Preloading content with rel=\"preload\""}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"a #1","57":"n d #3","58":"n d #3","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n d #2","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n d #2","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Only cachable resources can be preloaded. This includes the following `as` values: script, style, image, video, audio, track, fetch, and font (note font/collection is not supported).","2":"Can be enabled via the \"Experimental Features\" developer menu","3":"Disabled by default behind the `network.preload` flag."},"usage_perc_y":58.57,"usage_perc_a":0.61,"ucprefix":false,"parent":"","keywords":"","ie_id":"preload","chrome_id":"5757468554559488","firefox_id":"link-rel-preload","webkit_id":"specification-preload"},"css-case-insensitive":{"title":"Case-insensitive CSS attribute selectors","description":"Including an `i` before the `]` in a CSS attribute selector causes the attribute value to be matched in an ASCII-case-insensitive manner. For example, `[b=\"xyz\" i]` would match both `<a b=\"xyz\">` and `<a b=\"XYZ\">`.","spec":"https://drafts.csswg.org/selectors-4/#attribute-case","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors#case-insensitive","title":"MDN Web Docs - CSS case-insensitive"},{"url":"http://jsbin.com/zutuna/edit?html,css,output","title":"JS Bin testcase"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/16910512-case-insensitive-attribute-selector-i-flag","title":"MS Edge feature request on UserVoice"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":85.49,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"i,attribute,case,insensitive,sensitive,sensitivity,insensitivity","ie_id":"","chrome_id":"5610936115134464","firefox_id":"","webkit_id":"feature-case-insensitive-attribute-selectors"},"css-default-pseudo":{"title":":default CSS pseudo-class","description":"The `:default` pseudo-class matches checkboxes and radio buttons which are checked by default, `<option>`s with the `selected` attribute, and the default submit button (if any) of a form.","spec":"https://drafts.csswg.org/selectors-4/#the-default-pseudo","status":"unoff","links":[{"url":"https://html.spec.whatwg.org/multipage/scripting.html#selector-default","title":"HTML specification for `:default`"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:default","title":"MDN Web Docs - CSS :default"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/13311459--default-pseudo-class-from-selectors-level-4","title":"MS Edge feature request on UserVoice"},{"url":"http://jsbin.com/hiyada/edit?html,css,output","title":"JS Bin testcase"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=156230","title":"WebKit bug 156230 - `:default` CSS pseudo-class should match checkboxes+radios with a `checked` attribute"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"u","3":"u","3.5":"u","3.6":"u","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"a #2","12":"a #2","12.1":"a #2","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #2"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"y"},"bb":{"7":"u","10":"a #1"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"a #2","37":"a #1"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"a #1","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"Whether `<option selected>` matches `:default` (per the spec) was not tested since `<select>`s and `<option>`s are generally not styleable, which makes it hard to formulate a test for this.","notes_by_num":{"1":"Does not match `<input type=\"checkbox\" checked>` or `<input type=\"radio\" checked>`","2":"Does not match the default submit button of a form"},"usage_perc_y":74.86,"usage_perc_a":17.75,"ucprefix":false,"parent":"","keywords":":default,default","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-optional-pseudo":{"title":":optional CSS pseudo-class","description":"The `:optional` pseudo-class matches form inputs (`<input>`, `<textarea>`, `<select>`) which are not `:required`.","spec":"https://drafts.csswg.org/selectors-4/#optional-pseudo","status":"unoff","links":[{"url":"https://html.spec.whatwg.org/multipage/scripting.html#selector-optional","title":"HTML specification for `:optional`"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:optional","title":"MDN Web Docs - CSS :optional"},{"url":"http://jsbin.com/fihudu/edit?html,css,output","title":"JS Bin testcase"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not match non-required `<select>`s"},"usage_perc_y":94.62,"usage_perc_a":3.08,"ucprefix":false,"parent":"form-validation","keywords":":optional,optional,:required,required","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-indeterminate-pseudo":{"title":":indeterminate CSS pseudo-class","description":"The `:indeterminate` pseudo-class matches indeterminate checkboxes, indeterminate `<progress>` bars, and radio buttons with no checked button in their radio button group.","spec":"https://drafts.csswg.org/selectors-4/#indeterminate","status":"unoff","links":[{"url":"https://html.spec.whatwg.org/multipage/scripting.html#selector-indeterminate","title":"HTML specification for `:indeterminate`"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:indeterminate","title":"MDN Web Docs - CSS :indeterminate"},{"url":"https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7124038/","title":"EdgeHTML issue 7124038 - `:indeterminate` pseudo-class doesn't match radio buttons"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=885359","title":"Mozilla Bug 885359 - Radio groups without a selected radio button should have `:indeterminate` applying"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=156270","title":"WebKit Bug 156270 - `:indeterminate` pseudo-class should match radios whose group has no checked radio"},{"url":"http://jsbin.com/zumoqu/edit?html,css,js,output","title":"JS Bin testcase"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1 #2","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"u","3":"u","3.5":"u","3.6":"u","4":"a #1 #2","5":"a #1 #2","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"a #1 #2","6":"u","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"a #3","12":"a #3","12.1":"a #3","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #3"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"a #1 #2","4.1":"a #1 #2","4.2-4.3":"a #1 #2","4.4":"a #1","4.4.3-4.4.4":"u","62":"y"},"bb":{"7":"u","10":"a #1"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"a #3","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Doesn't match radio buttons whose radio button group lacks a checked radio button","2":"Doesn't support the `<progress>` element","3":"Doesn't match indeterminate `<progress>` bars"},"usage_perc_y":84.73,"usage_perc_a":12.58,"ucprefix":false,"parent":"","keywords":":indeterminate,indeterminate","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"webgl2":{"title":"WebGL 2.0","description":"Next version of WebGL. Based on OpenGL ES 3.0.","spec":"https://www.khronos.org/registry/webgl/specs/latest/2.0/","status":"other","links":[{"url":"https://blog.mozilla.org/futurereleases/2015/03/03/an-early-look-at-webgl-2/","title":"Firefox blog post"},{"url":"https://www.khronos.org/webgl/wiki/Getting_a_WebGL_Implementation","title":"Getting a WebGL Implementation"}],"categories":["Canvas"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n d #1 #2","26":"n d #1 #2","27":"n d #1 #2","28":"n d #1 #2","29":"n d #1 #2","30":"n d #1 #2","31":"n d #1 #2","32":"n d #1 #2","33":"n d #1 #2","34":"n d #1 #2","35":"n d #1 #2","36":"n d #1 #2","37":"n d #1 #2","38":"n d #1 #2","39":"n d #1 #2","40":"n d #1 #2","41":"n d #1 #2","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1 #5","46":"n d #1 #5","47":"n d #1 #5","48":"n d #1 #5","49":"n d #1 #5","50":"n d #1 #5","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n d #3","44":"n d #3","45":"n d #3","46":"n d #3","47":"n d #3","48":"n d #3","49":"n d #3","50":"n d #3","51":"n d #3","52":"n d #3","53":"n d #3","54":"n d #3","55":"n d #3","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n d #4","11":"n d #4","11.1":"n d #4","TP":"n d #4"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n d #3"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled in Firefox by setting the about:config preference webgl.enable-prototype-webgl2 to true","2":"WebGL2 context is accessed from \"experimental-webgl2\" rather than \"webgl2\"","3":"Can be enabled in Chrome by passing the \"--enable-unsafe-es3-apis\" flag when starting the browser through the command line","4":"Can be enabled via the \"Experimental Features\" developer menu","5":"Enabled by default for Nightly and Dev Edition"},"usage_perc_y":60.82,"usage_perc_a":0,"ucprefix":false,"parent":"canvas","keywords":"web gl","ie_id":"webgl20","chrome_id":"6694359164518400","firefox_id":"webgl-2","webkit_id":"specification-webgl-2"},"css-initial-letter":{"title":"CSS Initial Letter","description":"Method of creating an enlarged cap, including a drop or raised cap, in a robust way.","spec":"https://www.w3.org/TR/css-inline/#initial-letter-styling","status":"wd","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1223880","title":"Firefox Implementation Ticket"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/initial-letter","title":"MDN Web Docs - CSS initial-letter"},{"url":"https://webdesign.tutsplus.com/tutorials/better-css-drop-caps-with-initial-letter--cms-26350","title":"Blog post on Envato Tuts+, \"Better CSS Drop Caps With initial-letter\""},{"url":"http://labs.jensimmons.com/#initialletter","title":"Demos at Jen Simmons Labs"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"a","9.1":"a x #1","10":"a x #1","10.1":"a x #1","11":"a x #1","11.1":"a x #1","TP":"a x #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"a x #1","9.3":"a x #1","10.0-10.2":"a x #1","10.3":"a x #1","11.0-11.2":"a x #1","11.3":"a x #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Safari implementation is incomplete. Does not allow applying web fonts to the initial letter."},"usage_perc_y":0,"usage_perc_a":12.29,"ucprefix":false,"parent":"","keywords":"initial-letter,initial letter,letter,drop cap,dropcap","ie_id":"initialletter","chrome_id":"","firefox_id":"css-initial-letter","webkit_id":"feature-initial-letter"},"document-currentscript":{"title":"document.currentScript","description":"`document.currentScript` returns the `<script>` element whose script is currently being processed.","spec":"https://html.spec.whatwg.org/multipage/dom.html#dom-document-currentscript","status":"ls","links":[{"url":"https://github.com/JamesMGreene/document.currentScript","title":"Polyfill (IE 6-10 only)"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":90.73,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-descendant-gtgt":{"title":"Explicit descendant combinator >>","description":"An explicit, non-whitespace spelling of the descendant combinator. `A >> B` is equivalent to `A B`.","spec":"https://drafts.csswg.org/selectors-4/#descendant-combinators","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/Descendant_selectors","title":"MDN Web Docs - Descendant selectors"},{"url":"http://jsbin.com/qipekof/edit?html,css,output","title":"JS Bin testcase"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=446050","title":"Chrome issue #446050: Implement Descendant Combinator \">>\""},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1266283","title":"Mozilla bug #1266283 - Implement CSS4 descendant combinator `>>`"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"u","66":"u","67":"u"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":1.49,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"same-site-cookie-attribute":{"title":"'SameSite' cookie attribute","description":"Same-site cookies (\"First-Party-Only\" or \"First-Party\") allow servers to mitigate the risk of CSRF and information leakage attacks by asserting that a particular cookie should only be sent with requests initiated from the same registrable domain.","spec":"https://tools.ietf.org/html/draft-west-first-party-cookies-06","status":"other","links":[{"url":"http://www.sjoerdlangkemper.nl/2016/04/14/preventing-csrf-with-samesite-cookie-attribute/","title":"Preventing CSRF with the same-site cookie attribute"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=795346","title":"Mozilla Bug #795346: Add SameSite support for cookies"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"This feature is backwards compatible. Browsers not supporting this feature will simply use the cookie as a regular cookie. There is no need to deliver different cookies to clients.","notes_by_num":{},"usage_perc_y":58.5,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"security,cookies,cookie,csrf","ie_id":"","chrome_id":"4672634709082112","firefox_id":"","webkit_id":""},"css-has":{"title":":has() CSS relational pseudo-class","description":"Only select elements containing specified content. For example, `a:has(>img)` selects all `<a>` elements that contain an `<img>` child.","spec":"https://drafts.csswg.org/selectors-4/#relational","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:has","title":"MDN Web Docs - :has"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=418039","title":"Firefox support bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"children,parent,selector","ie_id":"cssrelationalpseudoclasshas","chrome_id":"","firefox_id":"","webkit_id":""},"css-not-sel-list":{"title":"selector list argument of :not()","description":"Selectors Level 4 allows the `:not()` pseudo-class to accept a list of selectors, which the element must not match any of. Selectors Level 3 only allowed `:not()` to accept a single simple selector. Thus, `:not(a):not(.b):not([c])` can instead be written as `:not(a, .b, [c])`","spec":"https://www.w3.org/TR/selectors4/#negation","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:not","title":"MDN Web Docs - CSS :not"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=580628","title":"Chrome feature request issue"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=933562","title":"Firefox feature request bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"u","60":"u","61":"u"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"u","66":"u","67":"u"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":12.29,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"negation,not,pseudo,selector,selectors,list,multiple,argument,level,4","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":"feature-css-selector-:not()-level-4"},"credential-management":{"title":"Credential Management API","description":"API that provides a programmatic interface to the browser's credential manager. In short, an origin can request a user's credentials to sign them in, or can ask the browser to save credentials on the user's behalf. Both of these requests are user-mediated.","spec":"https://www.w3.org/TR/credential-management-1/","status":"wd","links":[{"url":"https://developers.google.com/web/updates/2016/04/credential-management-api","title":"Tutorial by Google"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Credential_Management_API","title":"MDN Web Docs - Credential Management API"},{"url":"https://g.co/codelabs/cmapi","title":"Codelab"},{"url":"https://credential-management-sample.appspot.com/","title":"Live Demo"},{"url":"https://github.com/GoogleChrome/credential-management-sample","title":"Sample Code"},{"url":"https://github.com/w3c/webappsec-credential-management","title":"Spec discussion"}],"categories":["JS API","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n d","49":"n d","50":"n d","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"In Chrome 51 ~ 56, PSL matched credentials are not supported. This means you cannot use credentials set on a.example.com in b.example.com. This is supported since Chrome 57."},"usage_perc_y":64.96,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"credential,navigator.credentials","ie_id":"credentialmanagementapi","chrome_id":"5026422640869376","firefox_id":"credential-management","webkit_id":""},"css-dir-pseudo":{"title":":dir() CSS pseudo-class","description":"Matches elements based on their directionality. `:dir(ltr)` matches elements which are Left-to-Right. `:dir(rtl)` matches elements which are Right-to-Left.","spec":"https://www.w3.org/TR/selectors4/#the-dir-pseudo","status":"wd","links":[{"url":"https://html.spec.whatwg.org/multipage/scripting.html#selector-ltr","title":"HTML specification for `:dir()`"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:dir","title":"MDN Web Docs - CSS :dir"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=576815","title":"Chrome issue #576815: CSS4 pseudo-class :dir()"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/12299532--dir","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=64861","title":"WebKit bug #64861: Need support for :dir() pseudo-class"},{"url":"http://jsbin.com/celuye/edit?html,css,output","title":"JS Bin testcase"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"y x","18":"y x","19":"y x","20":"y x","21":"y x","22":"y x","23":"y x","24":"y x","25":"y x","26":"y x","27":"y x","28":"y x","29":"y x","30":"y x","31":"y x","32":"y x","33":"y x","34":"y x","35":"y x","36":"y x","37":"y x","38":"y x","39":"y x","40":"y x","41":"y x","42":"y x","43":"y x","44":"y x","45":"y x","46":"y x","47":"y x","48":"y x","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":5.51,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":":dir,dir,direction,ltr,rtl,left,right","ie_id":"","chrome_id":"5751531651465216","firefox_id":"","webkit_id":""},"css-focus-within":{"title":":focus-within CSS pseudo-class","description":"The `:focus-within` pseudo-class matches elements that either themselves match `:focus` or that have descendants which match `:focus`.","spec":"https://drafts.csswg.org/selectors-4/#the-focus-within-pseudo","status":"unoff","links":[{"url":"https://www.sitepoint.com/future-generation-css-selectors-level-4/#generalized-input-focus-pseudo-class-focus-within","title":"The Future Generation of CSS Selectors: Level 4: Generalized Input Focus Pseudo-class"},{"url":"http://allyjs.io/api/style/focus-within.html","title":"ally.style.focusWithin Polyfill, part of ally.js"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/11725071-implement-focus-within-from-selectors-4","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=140144","title":"WebKit bug #140144: Add support for CSS4 `:focus-within` pseudo"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=617371","title":"Chromium issue #617371: Implement `:focus-within` pseudo-class from Selectors Level 4"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1176997","title":"Mozilla bug #1176997: Add support for pseudo class `:focus-within`"},{"url":"http://jsbin.com/qevoqa/edit?html,css,output","title":"JS Bin testcase"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:focus-within","title":"MDN Web Docs - :focus-within"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n d #1","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n d #1","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled via the \"Experimental Web Platform Features\" flag"},"usage_perc_y":70.84,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"focus,within,focus-within,pseudo","ie_id":"","chrome_id":"5363834508279808","firefox_id":"","webkit_id":"feature-css-selector-:focus-within"},"dom-manip-convenience":{"title":"DOM manipulation convenience methods","description":"jQuery-like methods on DOM nodes to insert nodes around or within a node, or to replace one node with another. These methods accept any number of DOM nodes or HTML strings as arguments. Includes: `ChildNode.before`, `ChildNode.after`, `ChildNode.replaceWith`, `ParentNode.prepend`, and `ParentNode.append`.","spec":"https://dom.spec.whatwg.org/#interface-childnode","status":"ls","links":[{"url":"https://dom.spec.whatwg.org/#interface-childnode","title":"WHATWG DOM Specification for ChildNode"},{"url":"https://dom.spec.whatwg.org/#interface-parentnode","title":"WHATWG DOM Specification for ParentNode"},{"url":"http://jsbin.com/fiqacod/edit?html,js,output","title":"JS Bin testcase"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/ParentNode","title":"MDN Web Docs - ParentNode"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/ChildNode","title":"MDN Web Docs - ChildNode"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/16036408","title":"MS Edge feature request on UserVoice"},{"url":"https://github.com/WebReflection/dom4","title":"DOM4 polyfill"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n d #1","53":"n d #1","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n d #1","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"y"},"and_qq":{"1.2":"n d #1"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled through the \"Enable Experimental Web Platform Features\" flag in chrome://flags"},"usage_perc_y":83.03,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"dom,manipulation,convenience,convenient,before,after,replaceWith,prepend,append","ie_id":"domparentnodemethodsprependappendandchildnodemethodsbeforeafterandreplacewith","chrome_id":"5723067795898368","firefox_id":"","webkit_id":""},"requestidlecallback":{"title":"requestIdleCallback","description":"API allowing the execution of JavaScript to be queued to run in idle browser time, either at the end of a frame or when the user is inactive. Also covers support for `cancelIdleCallback`. The API has similarities with `requestAnimationFrame`.","spec":"https://w3c.github.io/requestidlecallback/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Window/requestIdleCallback","title":"MDN Web Docs - requestIdleCallback"},{"url":"https://developers.google.com/web/updates/2015/08/using-requestidlecallback","title":"Google Developers article"},{"url":"https://gist.github.com/paullewis/55efe5d6f05434a96c36","title":"Shim"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n d #1","54":"n d #1","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Can be enabled via the `dom.requestIdleCallback.enabled` flag"},"usage_perc_y":72.5,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"requestIdleCallback,request,idle","ie_id":"requestidlecallback","chrome_id":"5572795866021888","firefox_id":"request-idle-callback","webkit_id":"feature-requestidlecallback"},"scrollintoviewifneeded":{"title":"Element.scrollIntoViewIfNeeded()","description":"If the element is fully within the visible area of the viewport, it does nothing. Otherwise, the element is scrolled into view. A proprietary variant of the standard `Element.scrollIntoView()` method.","spec":"https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoViewIfNeeded","status":"unoff","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=403510","title":"Mozilla Bug 403510 - Implement scrollIntoViewIfNeeded"},{"url":"https://www.w3.org/Bugs/Public/show_bug.cgi?id=17152","title":"W3C CSSOM View bug #17152: Support centering an element when scrolling into view."}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":84.03,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"scrollIntoViewIfNeeded,scroll","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css3-attr":{"title":"CSS3 attr() function for all properties","description":"While `attr()` is supported for effectively all browsers for the `content` property, CSS Values and Units Level 3 adds the ability to use `attr()` on **any** CSS property, and to use it for non-string values (e.g. numbers, colors).","spec":"https://www.w3.org/TR/css-values/#attr-notation","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/attr","title":"MDN Web Docs - CSS attr"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/7671960-css-attr-as-defined-in-css-values-level-3","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=435426","title":"Mozilla Bug #435426: implement css3-values extensions to `attr()`"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=246571","title":"Chromium issue #246571: Implement CSS3 attribute / attr references"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=26609","title":"WebKit Bug #26609: Support CSS3 attr() function"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"See the [generated content](/#feat=css-gencontent) table for support for `attr()` for the `content` property.","notes_by_num":{},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"attr,attribute,function","ie_id":"csslevel3attrfunction","chrome_id":"","firefox_id":"","webkit_id":""},"sdch":{"title":"SDCH Accept-Encoding/Content-Encoding","description":"Shared Dictionary Compression over HTTP","spec":"https://docs.google.com/viewer?a=v&pid=forums&srcid=MDIwOTgxNDMwMTgyMjkzMTI2ODcBMDQ2MzU5NDU2MDA0MTg5NDE1MTkBTDZmaENoSG9BZ0FKATAuMQEBdjI","status":"other","links":[{"url":"https://groups.google.com/forum/#!forum/sdch","title":"SDCH Google Group"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=641069","title":"Bugzilla Bug 641069 - Implement SDCH"},{"url":"https://en.wikipedia.org/wiki/SDCH","title":"Wikipedia - SDCH"},{"url":"https://engineering.linkedin.com/shared-dictionary-compression-http-linkedin","title":"Shared Dictionary Compression for HTTP at LinkedIn."}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":5.86,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"http,compression,accept,content,encoding,sdch","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-containment":{"title":"CSS Containment","description":"The CSS `contain` property lets developers limit the scope of the browser's styles, layout and paint work for faster and more efficient rendering.","spec":"https://www.w3.org/TR/css-contain-1/#contain-property","status":"cr","links":[{"url":"https://developers.google.com/web/updates/2016/06/css-containment","title":"Google Developers article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1150081","title":"Firefox bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"u","53":"u","54":"u","55":"u","56":"u","57":"u","58":"u","59":"u","60":"u","61":"u"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n d #1","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n d #1","39":"n d #1","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled via the \"Experimental Web Platform features\" flag"},"usage_perc_y":66.63,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"csscontainment","chrome_id":"6522186978295808","firefox_id":"","webkit_id":""},"tls1-2":{"title":"TLS 1.2","description":"The latest version of the Transport Layer Security (TLS) protocol. Allows for data/message confidentiality, and message authentication codes for message integrity and as a by-product message authentication.","spec":"https://tools.ietf.org/html/rfc5246","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.2","title":"Wikipedia article on TLS"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n d","9":"n d","10":"n d","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n d","25":"n d","26":"n d","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n d","10.5":"n d","10.6":"n d","11":"n d","11.1":"n d","11.5":"n d","11.6":"n d","12":"n d","12.1":"y","15":"n","16":"n","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n d","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":95.59,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"tls12","chrome_id":"5197666342404096","firefox_id":"","webkit_id":""},"tls1-1":{"title":"TLS 1.1","description":"Version 1.1 of the Transport Layer Security (TLS) protocol.","spec":"https://tools.ietf.org/html/rfc4346","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.1","title":"Wikipedia article on TLS"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n d","9":"n d","10":"n d","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n d","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n d","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":95.83,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"input-inputmode":{"title":"inputmode attribute","description":"The `inputmode` attribute specifies what kind of input mechanism would be most helpful for users entering content into the form control.","spec":"https://html.spec.whatwg.org/multipage/forms.html#input-modalities:-the-inputmode-attribute","status":"ls","links":[{"url":"https://www.wufoo.com/html5/attributes/23-inputmode.html","title":"Demo on Wufoo (old)"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"a","18":"a","19":"a","20":"a","21":"n d #1","22":"n d #1","23":"n d #1","24":"n d #1","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n d #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Firefox OS is reported to have partial support for this property as `x-inputmode`.\r\n\r\nBlink-based browsers appear to recognize the `inputMode` property on `input` & `textarea` fields though it is unclear what effect it currently has as the feature is still in development.","notes_by_num":{"1":"Support can be enabled via the `dom.forms.inputmode` flag"},"usage_perc_y":0,"usage_perc_a":0.02,"ucprefix":false,"parent":"","keywords":"","ie_id":"inputmode","chrome_id":"6225984592281600","firefox_id":"","webkit_id":""},"ch-unit":{"title":"ch (character) unit","description":"Unit representing the width of the character \"0\" in the current font, of particular use in combination with monospace fonts.","spec":"https://www.w3.org/TR/css3-values/#ch","status":"cr","links":[{"url":"https://johndjameson.com/blog/making-sense-of-ch-units/","title":"Blog post on using ch units"},{"url":"http://revoltpuppy.com/articles/89/using-ch-an-underappreciated-css-length","title":"Various uses for the ch unit"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE supports the `ch` unit, but unlike other browsers its width is that specifically of the \"0\" glyph, not its surrounding space. As a result, 3ch for example is shorter than the width of the string \"000\" in IE."},"usage_perc_y":91.17,"usage_perc_a":3.03,"ucprefix":false,"parent":"","keywords":"ch unit,character unit","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"img-naturalwidth-naturalheight":{"title":"naturalWidth & naturalHeight image properties","description":"Properties defining the intrinsic width and height of the image, rather than the displayed width & height.","spec":"https://html.spec.whatwg.org/multipage/embedded-content.html#dom-img-naturalwidth","status":"ls","links":[{"url":"http://www.jacklmoore.com/notes/naturalwidth-and-naturalheight-in-ie/","title":"Blog post on support in IE"},{"url":"https://gist.github.com/jalbertbowden/5273983","title":"gist on getting natural width & height in older IE"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.99,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"filereadersync":{"title":"FileReaderSync","description":"Allows files to be read synchronously in Web Workers","spec":"https://w3c.github.io/FileAPI/#FileReaderSync","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/FileReaderSync","title":"MDN Web Docs - FileReaderSync"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"u","11.1":"u","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":94.22,"usage_perc_a":0,"ucprefix":false,"parent":"filereader","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"mediarecorder":{"title":"MediaRecorder API","description":"The MediaRecorder API (MediaStream Recording) aims to provide a really simple mechanism by which developers can record media streams from the user's input devices and instantly use them in web apps, rather than having to perform manual encoding operations on raw PCM data, etc.","spec":"https://w3c.github.io/mediacapture-record/MediaRecorder.html","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/MediaRecorder_API","title":"MDN Web Docs - MediaRecorder"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n d #1","48":"n d #1","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n d #1","35":"n d #1","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled via the experimental Web Platform features flag. Does not support audio recording, only video."},"usage_perc_y":64.49,"usage_perc_a":0,"ucprefix":false,"parent":"stream","keywords":"","ie_id":"mediarecorder","chrome_id":"5929649028726784","firefox_id":"media-recorder","webkit_id":""},"readonly-attr":{"title":"readonly attribute of input and textarea elements","description":"Makes the form control non-editable. Unlike the `disabled` attribute, `readonly` form controls are still included in form submissions and the user can still select (but not edit) their value text.","spec":"https://html.spec.whatwg.org/multipage/forms.html#attr-input-readonly","status":"ls","links":[{"url":"https://html.spec.whatwg.org/multipage/forms.html#attr-textarea-readonly","title":"WHATWG HTML specification for the readonly attribute of the `<textarea>` element"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/Input#attr-readonly","title":"MDN Web Docs - readonly attribute"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"u","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"u","3.5":"u","3.6":"u","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"u","16":"u","17":"u","18":"u","19":"u","20":"u","21":"u","22":"u","23":"u","24":"u","25":"u","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y #2","11":"y #2"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Readonly inputs of type `datetime-local`, `date`, `month`, and `week` can still be edited by pressing the Up or Down arrow keys on the keyboard while the input is focused.","2":"Text cannot be selected directly, but is possible by first selecting any text around the field. "},"usage_perc_y":97.78,"usage_perc_a":0.12,"ucprefix":false,"parent":"","keywords":"readonly,read,attribute,edit,editable","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"x-frame-options":{"title":"X-Frame-Options HTTP header","description":"An HTTP header which indicates whether the browser should allow the webpage to be displayed in a frame within another webpage. Used as a defense against clickjacking attacks.","spec":"https://tools.ietf.org/html/rfc7034","status":"other","links":[{"url":"http://erlend.oftedal.no/blog/tools/xframeoptions/","title":"X-Frame-Options Compatibility Test"},{"url":"https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options","title":"MDN Web Docs - X-Frame-Options"},{"url":"https://www.owasp.org/index.php/Clickjacking_Defense_Cheat_Sheet","title":"OWASP Clickjacking Defense Cheat Sheet"},{"url":"https://blogs.msdn.microsoft.com/ieinternals/2010/03/30/combating-clickjacking-with-x-frame-options/","title":"Combating ClickJacking With X-Frame-Options - IEInternals"},{"url":"https://blogs.msdn.microsoft.com/ie/2009/01/27/ie8-security-part-vii-clickjacking-defenses/","title":"IE8 Security Part VII: ClickJacking Defenses - IEBlog"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"u","3.5":"u","3.6":"u","4":"a","5":"a","6":"a","7":"a","8":"a","9":"a","10":"a","11":"a","12":"a","13":"a","14":"a","15":"a","16":"a","17":"a","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"u","16":"u","17":"u","18":"u","19":"u","20":"u","21":"u","22":"u","23":"u","24":"u","25":"u","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a","53":"a","54":"a","55":"a","56":"a","57":"a","58":"a","59":"a","60":"a","61":"a","62":"a","63":"a","64":"a","65":"a","66":"a","67":"a"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"a","6":"a","6.1":"a","7":"a","7.1":"a","8":"a","9":"a","9.1":"a","10":"a","10.1":"a","11":"a","11.1":"a","TP":"a"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"a","12":"a","12.1":"a","15":"a","16":"a","17":"a","18":"a","19":"a","20":"a","21":"a","22":"a","23":"a","24":"a","25":"a","26":"a","27":"a","28":"a","29":"a","30":"a","31":"a","32":"a","33":"a","34":"a","35":"a","36":"a","37":"a","38":"a","39":"a","40":"a","41":"a","42":"a","43":"a","44":"a","45":"a","46":"a","47":"a","48":"a","49":"a","50":"a","51":"a","52":"a"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"u","6.0-6.1":"u","7.0-7.1":"a","8":"a","8.1-8.4":"a","9.0-9.2":"a","9.3":"a","10.0-10.2":"a","10.3":"a","11.0-11.2":"a","11.3":"a"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"a","4.1":"a","4.2-4.3":"a","4.4":"a","4.4.3-4.4.4":"a","62":"a"},"bb":{"7":"a","10":"a"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"a","37":"a"},"and_chr":{"64":"a"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"a"},"samsung":{"4":"a","5":"a","6.2":"a"},"and_qq":{"1.2":"a"},"baidu":{"7.12":"a"}},"notes":"Partial support refers to not supporting the `ALLOW-FROM` option.\r\nThe `X-Frame-Options` header has been obsoleted by [the `frame-ancestors` directive](https://www.w3.org/TR/CSP2/#directive-frame-ancestors) from Content Security Policy Level 2.","notes_by_num":{},"usage_perc_y":10.82,"usage_perc_a":84.06,"ucprefix":false,"parent":"","keywords":"x-frame-options,frame,options,header,clickjacking","ie_id":"","chrome_id":"5760041927835648","firefox_id":"","webkit_id":""},"indeterminate-checkbox":{"title":"indeterminate checkbox","description":"Indeterminate checkboxes are displayed in a state which is distinct both from being checked or being unchecked. They are commonly used in hierarchical checkboxes to indicate that only some of the checkbox's descendants are checked.","spec":"https://html.spec.whatwg.org/#dom-input-indeterminate","status":"ls","links":[{"url":"https://css-tricks.com/indeterminate-checkboxes/","title":"CSS-Tricks article"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=160484","title":"WebKit Bug 160484 - iOS doesn't support indeterminate checkboxes"}],"categories":["DOM","HTML5"],"stats":{"ie":{"5.5":"u","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"u","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Indeterminacy does not affect a checkbox's checkedness state. It merely affects how the checkbox is displayed.","notes_by_num":{},"usage_perc_y":75.86,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"tabindex-attr":{"title":"tabindex global attribute","description":"Specifies the focusability of the element and in what order (if any) it should become focused (relative to other elements) when \"tabbing\" through the document.","spec":"https://html.spec.whatwg.org/multipage/interaction.html#attr-tabindex","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex","title":"MDN Web Docs - tabindex attribute"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"u","6":"u","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"u","3.5":"u","3.6":"u","4":"y #1","5":"y #1","6":"y #1","7":"y #1","8":"y #1","9":"y #1","10":"y #1","11":"y #1","12":"y #1","13":"y #1","14":"y #1","15":"y #1","16":"y #1","17":"y #1","18":"y #1","19":"y #1","20":"y #1","21":"y #1","22":"y #1","23":"y #1","24":"y #1","25":"y #1","26":"y #1","27":"y #1","28":"y #1","29":"y #1","30":"y #1","31":"y #1","32":"y #1","33":"y #1","34":"y #1","35":"y #1","36":"y #1","37":"y #1","38":"y #1","39":"y #1","40":"y #1","41":"y #1","42":"y #1","43":"y #1","44":"y #1","45":"y #1","46":"y #1","47":"y #1","48":"y #1","49":"y #1","50":"y #1","51":"y #1","52":"y #1","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y #2","6":"y #2","6.1":"y #2","7":"y #2","7.1":"y #2","8":"y #2","9":"y #2","9.1":"y #2","10":"y #2","10.1":"y #2","11":"y #2","11.1":"y #2","TP":"y #2"},"opera":{"9":"u","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y #2 #3","4.0-4.1":"y #2 #3","4.2-4.3":"y #2 #3","5.0-5.1":"y #2 #3","6.0-6.1":"y #2 #3","7.0-7.1":"y #2 #3","8":"y #2 #3","8.1-8.4":"y #2 #3","9.0-9.2":"y #2 #3","9.3":"y #2 #3","10.0-10.2":"y #2 #3","10.3":"y #2 #3","11.0-11.2":"y #2 #3","11.3":"y #2 #3"},"op_mini":{"all":"u"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"u","4.1":"u","4.2-4.3":"u","4.4":"u","4.4.3-4.4.4":"u","62":"u"},"bb":{"7":"u","10":"u"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"u","37":"u"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"u","11":"u"},"and_uc":{"11.8":"u"},"samsung":{"4":"u","5":"u","6.2":"u"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"u"}},"notes":"Mac OS X \"Full Keyboard Access\" refers to setting Keyboard\u2192Shortcuts\u2192Full Keyboard Access to \"All controls\" in the System Preferences.\r\n\r\n\"Unknown\" support for mobile browsers is due to lacking a method of tabbing through fields.","notes_by_num":{"1":"On Mac OS X, unless Full Keyboard Access is enabled, `<a>` elements are not keyboard-focusable, even if they have `tabindex=\"0\"`.","2":"`<a>` elements are never keyboard-focusable, even if they have `tabindex=\"0\"`. Unless Full Keyboard Access is enabled, then `<button>`s, radio buttons, and checkboxes are also not keyboard-focusable, even if they have `tabindex=\"0\"`.","3":"Has \"previous\" and \"next\" virtual keyboard buttons that follow tabindex order."},"usage_perc_y":81.86,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"tabindex,tab,tabIndex","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"textencoder":{"title":"TextEncoder & TextDecoder","description":"`TextEncoder` encodes a JavaScript string into bytes using the UTF-8 encoding and returns the resulting `Uint8Array` of those bytes. `TextDecoder` does the reverse.","spec":"https://encoding.spec.whatwg.org/#api","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/TextEncoder","title":"MDN Web Docs - TextEncoder"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6558040-support-the-encoding-api","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=160653","title":"WebKit Bug 160653 - Support TextEncoder & TextDecoder APIs"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"a #1","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Not available in Web Workers in Firefox 19."},"usage_perc_y":85.81,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"encoding,text,encoder,decoding,decoder,utf,8","ie_id":"encodingstandard","chrome_id":"5714368087982080","firefox_id":"","webkit_id":"specification-encoding"},"element-from-point":{"title":"document.elementFromPoint()","description":"Given coordinates for a point relative to the viewport, returns the element that a click event would be dispatched at if the user were to click the point (in other words, the element that hit-testing would find).","spec":"https://www.w3.org/TR/cssom-view-1/#dom-document-elementfrompoint","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Document/elementFromPoint","title":"MDN Web Docs - elementFromPoint"}],"categories":["DOM"],"stats":{"ie":{"5.5":"u","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":98.12,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"document,elementFromPoint,element,from,point","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"insert-adjacent":{"title":"Element.insertAdjacentElement() & Element.insertAdjacentText()","description":"Methods for inserting an element or text before or after a given element, or appending or prepending an element or text to a given element's list of children.","spec":"https://dom.spec.whatwg.org/#dom-element-insertadjacentelement","status":"ls","links":[{"url":"https://dom.spec.whatwg.org/#dom-element-insertadjacenttext","title":"WHATWG DOM Specification for Element.insertAdjacentText()"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Element/insertAdjacentElement","title":"MDN Web Docs - Element.insertAdjacentElement()"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Element/insertAdjacentText","title":"MDN Web Docs - Element.insertAdjacentText()"},{"url":"http://jsbin.com/yanadu/edit?html,js,output","title":"JS Bin testcase"}],"categories":["DOM"],"stats":{"ie":{"5.5":"u","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.7,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"insertAdjacentElement,insertAdjacentText,insert,adjacent,element,text","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"once-event-listener":{"title":"\"once\" event listener option","description":"Causes an event listener to be automatically removed after it gets invoked, so that it only gets invoked once. Similar to jQuery's `$.one()` feature.","spec":"https://dom.spec.whatwg.org/#dom-addeventlisteneroptions-once","status":"ls","links":[{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=615384","title":"Chromium Issue 615384: Support \"once\" event listener option"},{"url":"http://jsbin.com/zigiru/edit?html,js,output","title":"JS Bin testcase"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/17702248-implement-once-event-listener-option","title":"MS Edge feature request on UserVoice"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":84.09,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"event,listener,options,once","ie_id":"eventlisteneronceoption","chrome_id":"5630331130478592","firefox_id":"","webkit_id":""},"passive-event-listener":{"title":"Passive event listeners","description":"Event listeners created with the `passive: true` option cannot cancel (`preventDefault()`) the events they receive. Primarily intended to be used with touch events and `wheel` events. Since they cannot prevent scrolls, passive event listeners allow the browser to perform optimizations that result in smoother scrolling.","spec":"https://dom.spec.whatwg.org/#dom-addeventlisteneroptions-passive","status":"ls","links":[{"url":"https://developers.google.com/web/updates/2016/06/passive-event-listeners?hl=en","title":"Improving scroll performance with passive event listeners - Google Developers Updates"},{"url":"https://github.com/WICG/EventListenerOptions/blob/gh-pages/EventListenerOptions.polyfill.js","title":"Polyfill from the WICG"},{"url":"https://github.com/WICG/EventListenerOptions","title":"Original WICG EventListenerOptions repository"},{"url":"http://jsbin.com/jaqaku/edit?html,js,output","title":"JS Bin testcase"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":84.64,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"passive,event,listener,options","ie_id":"passiveeventlisteners","chrome_id":"5745543795965952","firefox_id":"passive-event-listeners","webkit_id":""},"selection-api":{"title":"Selection API","description":"API for accessing selected content of a document, including the `window.getSelection()` method, as well as the `selectstart` & `selectionchange` events on `document`.","spec":"https://www.w3.org/TR/selection-api/","status":"wd","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1231923","title":"Firefox support bug"}],"categories":["JS API"],"stats":{"ie":{"5.5":"u","6":"a #2","7":"a #2","8":"a #2","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #1","3":"a #1","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1 #5","44":"a #1 #5","45":"a #1 #5","46":"a #1 #5","47":"a #1 #5","48":"a #1 #5","49":"a #1 #5","50":"a #1 #5","51":"a #1 #5","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"a #1","9.5-9.6":"a #1","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"u","5.0-5.1":"a #3","6.0-6.1":"a #3","7.0-7.1":"a #3","8":"a #3","8.1-8.4":"a #3","9.0-9.2":"a #3","9.3":"a #3","10.0-10.2":"a #3","10.3":"a #3","11.0-11.2":"a #3","11.3":"a #3"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"u","4.1":"u","4.2-4.3":"y #4","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"u","10":"y"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"u","11":"y"},"and_uc":{"11.8":"y #4"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"See also support for the related [DOM range](https://caniuse.com/#feat=dom-range) ","notes_by_num":{"1":"Supports `window.getSelection()` but no selection events","2":"Supports selection events, but not `window.getSelection()`","3":"Does not support the `selectstart` event","4":"`window.getSelection()` may fail on tapping buttons, as the selection is lost right before the listener code runs.","5":"Selection events are supported behind the `dom.select_events.enabled` flag"},"usage_perc_y":83.27,"usage_perc_a":11.75,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"payment-request":{"title":"Payment Request API","description":"Payment Request is a new API for the open web that makes checkout flows easier, faster and consistent on shopping sites.","spec":"https://www.w3.org/TR/payment-request/","status":"wd","links":[{"url":"https://github.com/w3c/browser-payment-api/","title":"Spec discussion"},{"url":"https://developers.google.com/web/updates/2016/07/payment-request","title":"Bringing easy and fast checkout with Payment Request API"},{"url":"https://developers.google.com/web/fundamentals/discovery-and-monetization/payment-request/","title":"Payment Request API Integration Guide"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Payment_Request_API","title":"MDN Web Docs - Payment Request API"},{"url":"https://emerald-eon.appspot.com/","title":"Demo"},{"url":"https://googlechrome.github.io/samples/paymentrequest/","title":"Simpler Demos and Codes"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n d #2","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n d #6","56":"n d #6","57":"n d #6","58":"n d #6","59":"n d #6","60":"n d #6","61":"n d #6"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #4","60":"n d #4","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n #3","10.1":"n #3","11":"n #3","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n #3","10.3":"n #3","11.0-11.2":"n #3","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y #5"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n d #1"},"baidu":{"7.12":"n"}},"notes":"Apple provides an equivalent proprietary API called [Apple Pay JS](https://developer.apple.com/reference/applepayjs/). Google provides a [PaymentRequest wrapper for Apple Pay JS](https://github.com/GoogleChrome/appr-wrapper).","notes_by_num":{"1":"Can be enabled via the \"Experimental Web Platform features\" flag","2":"Can be enabled via the \"Experimental Web Payments API\" flag","3":"Apple's proprietary implementation (see above)","4":"Can be enabled via the \"[Web Payments API](chrome://flags/#web-payments)\" flag","5":"Unlike Desktop Chrome, support has been in Chrome for Android since version 53.","6":"Can be enabled via the `dom.payments.request.enabled` flag in \"about:config\" flag since 55."},"usage_perc_y":58.54,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"PaymentRequest,Web Payments","ie_id":"paymentrequestapi","chrome_id":"5639348045217792","firefox_id":"payment-request","webkit_id":"feature-payment-request"},"shadowdomv1":{"title":"Shadow DOM v1","description":"Method of establishing and maintaining functional boundaries between DOM trees and how these trees interact with each other within a document, thus enabling better functional encapsulation within the DOM & CSS.","spec":"https://www.w3.org/TR/shadow-dom/","status":"wd","links":[{"url":"https://bugs.webkit.org/show_bug.cgi?id=148695","title":"Safari implementation bug"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1205323","title":"Firefox implementation bug"},{"url":"https://developers.google.com/web/fundamentals/primers/shadowdom/?hl=en","title":"Google Developers - Shadow DOM v1: self-contained web components"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"a","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"Shadow DOM v0 was implemented in Chrome/Opera but other browser vendors are implementing v1.","notes_by_num":{"1":"Certain CSS selectors do not work (`:host > .local-child`) and styling slotted content (`::slotted`) is buggy.","2":"Enabled through the \"dom.webcomponents.enabled\" preference in about:config"},"usage_perc_y":66.59,"usage_perc_a":11.77,"ucprefix":false,"parent":"","keywords":"web components,shadow dom,attachShadow","ie_id":"shadowdom","chrome_id":"4667415417847808","firefox_id":"shadow-dom","webkit_id":"feature-shadow-dom"},"urlsearchparams":{"title":"URLSearchParams","description":"The URLSearchParams interface defines utility methods to work with the query string of a URL.","spec":"https://url.spec.whatwg.org/#urlsearchparams","status":"ls","links":[{"url":"https://developers.google.com/web/updates/2016/01/urlsearchparams?hl=en","title":"Easy URL manipulation with URLSearchParams"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/URLSearchParams","title":"MDN Web Docs - URLSearchParams"},{"url":"https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/8993198/","title":"Edge implementation bug"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Partial support refers to only supporting `entries()`, `keys()`, `values()`, and `for...of`."},"usage_perc_y":84.08,"usage_perc_a":0.19,"ucprefix":false,"parent":"","keywords":"url,search,params","ie_id":"","chrome_id":"5632984866619392","firefox_id":"","webkit_id":""},"css-font-rendering-controls":{"title":"CSS font-rendering controls","description":"`@font-face` descriptor (currently defined as `font-display`) that allows control over how a downloadable font renders before it is fully loaded.","spec":"https://www.w3.org/TR/css-fonts-4/#font-display-desc","status":"wd","links":[{"url":"https://developers.google.com/web/updates/2016/02/font-display","title":"Google Developers article"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display","title":"MDN Web Docs - font-display"},{"url":"https://css-tricks.com/font-display-masses/","title":"CSS tricks article"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/14653365-prevent-fout-and-control-font-loading-with-css-fon","title":"Microsoft Edge feature request on UserVoice"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n d #2","47":"n d #2","48":"n d #2","49":"n d #2","50":"n d #2","51":"n d #2","52":"n d #2","53":"n d #2","54":"n d #2","55":"n d #2","56":"n d #2","57":"n d #2","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n d #1"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n d #1","6.2":"n d #1"},"and_qq":{"1.2":"n d #1"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled via the \"Experimental Web Platform features\" flag","2":"Can be enabled in Firefox through the `layout.css.font-display.enabled` flag at about:config"},"usage_perc_y":55.68,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"4799947908055040","firefox_id":"css-font-display","webkit_id":"specification-css-font-display"},"wasm":{"title":"WebAssembly","description":"WebAssembly or \"wasm\" is a new portable, size- and load-time-efficient format suitable for compilation to the web.","spec":"https://github.com/WebAssembly/spec","status":"other","links":[{"url":"https://webassembly.github.io/","title":"Official site"},{"url":"https://developer.mozilla.org//docs/WebAssembly","title":"WebAssembly on MDN"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n d #3","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"y #4","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n d #2","52":"n d #2","53":"n d #2","54":"n d #2","55":"n d #2","56":"n d #2","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n d #2","39":"n d #2","40":"n d #2","41":"n d #2","42":"n d #2","43":"n d #2","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n d #2"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled via the `javascript.options.wasm` in `about:config`","2":"Can be enabled via the `#enable-webassembly` flag","3":"Can be enabled via the Experimental JavaScript Features flag","4":"Disabled for Firefox 52 ESR"},"usage_perc_y":71,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web assembly","ie_id":"webassemblymvp","chrome_id":"5453022515691520","firefox_id":"web-assembly","webkit_id":"specification-webassembly"},"css-paged-media":{"title":"CSS Paged Media (@page)","description":"CSS at-rule (`@page`) to define page-specific rules when printing web pages, such as margin per page and page dimensions.","spec":"https://drafts.csswg.org/css-page-3/","status":"wd","links":[{"url":"https://www.tutorialspoint.com/css/css_paged_media.htm","title":"CSS Paged media article"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/@page","title":"MDN Web Docs - CSS @page"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=85062","title":"WebKit support bug"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=286443","title":"Firefox support bug"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/12839052-css-paged-media-module-level-3","title":"Edge support request"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"a #1","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"a #1","9.5-9.6":"a #1","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"u"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"u","4.1":"u","4.2-4.3":"u","4.4":"u","4.4.3-4.4.4":"u","62":"u"},"bb":{"7":"u","10":"u"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"u","37":"n #2"},"and_chr":{"64":"y"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"n #2","11":"n #2"},"and_uc":{"11.8":"n #2"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"Currently no browsers appear to support the `marks` & `bleed` properties from the latest version of the specification.\r\n\r\n","notes_by_num":{"1":"Does not support the `size` property","2":"Does not appear to have a way to print web pages"},"usage_perc_y":61.46,"usage_perc_a":10.71,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"childnode-remove":{"title":"ChildNode.remove()","description":"DOM node method to remove the node itself from the document.","spec":"https://dom.spec.whatwg.org/#dom-childnode-remove","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/ChildNode/remove","title":"MDN Web Docs - ChildNode.remove"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"u","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"u","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":90.8,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ChildNode,remove,delete,node,DOM","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-first-line":{"title":"CSS first-line pseudo-element","description":"Allows styling specifically for the first line of text using the `::first-line` pseudo-element. Note that only a limited set of properties can be applied.","spec":"https://drafts.csswg.org/selectors-3/#first-line","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/::first-line","title":"MDN Web Docs - ::first-line"},{"url":"https://css-tricks.com/almanac/selectors/f/first-line/","title":"CSS tricks article"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE8 only supports the single-colon CSS 2.1 syntax (i.e. `:first-line`). It does not support the double-colon CSS3 syntax (i.e. `::first-line`)."},"usage_perc_y":97.99,"usage_perc_a":0.25,"ucprefix":false,"parent":"css-sel3","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"mutation-events":{"title":"Mutation events","description":"Deprecated mechanism for listening to changes made to the DOM, replaced by Mutation Observers.","spec":"https://www.w3.org/TR/DOM-Level-3-Events/#legacy-mutationevent-events","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Guide/Events/Mutation_events","title":"MDN Web Docs - Mutation events"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #2","10":"a #2","11":"a #2"},"edge":{"12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"a #2","7":"a #2","8":"a #2","9":"a #2","10":"a #2","11":"a #2","12":"a #2","13":"a #2","14":"a #2","15":"a #2","16":"a #2","17":"a #2","18":"a #2","19":"a #2","20":"a #2","21":"a #2","22":"a #2","23":"a #2","24":"a #2","25":"a #2","26":"a #2","27":"a #2","28":"a #2","29":"a #2","30":"a #2","31":"a #2","32":"a #2","33":"a #2","34":"a #2","35":"a #2","36":"a #2","37":"a #2","38":"a #2","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #2","60":"a #2","61":"a #2"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"a #1","64":"a #1","65":"a #1","66":"a #1","67":"a #1"},"safari":{"3.1":"u","3.2":"u","4":"a #1","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"u","11.1":"u","11.5":"u","11.6":"y","12":"y","12.1":"y","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"a #1"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"n","11":"u","11.1":"u","11.5":"u","12":"y","12.1":"y","37":"a #1"},"and_chr":{"64":"a #1"},"and_ff":{"57":"a #2"},"ie_mob":{"10":"a #2","11":"a #2"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"a #1","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"a #1"}},"notes":"See also support for [Mutation Observer](https://caniuse.com/#feat=mutationobserver), which replaces mutation events and does not have the same performance drawbacks.","notes_by_num":{"1":"Does not support `DOMAttrModified`","2":"Does not support `DOMNodeInsertedIntoDocument` & `DOMNodeRemovedFromDocument`"},"usage_perc_y":0.08,"usage_perc_a":94.76,"ucprefix":false,"parent":"","keywords":"DOMAttrModified,DOMCharacterDataModified,DOMNodeInserted,DOMNodeInsertedIntoDocument,DOMNodeRemoved,DOMNodeRemovedFromDocument,DOMSubtreeModified","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"web-app-manifest":{"title":"Web App Manifest","description":"The web app manifest provides information about an application (such as name, author, icon, and description) in a JSON file, which browsers can use to give richer offline experiences.","spec":"https://www.w3.org/TR/appmanifest/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Manifest","title":"MDN Web Docs - Web App Manifest"},{"url":"https://webmanife.st","title":"Tool to generate a manifest from any given URL"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":69.49,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"manifest,pwa","ie_id":"webapplicationmanifest","chrome_id":"6488656873259008","firefox_id":"app-manifest","webkit_id":"specification-web-app-manifest"},"comparedocumentposition":{"title":"Node.compareDocumentPosition()","description":"Compares the relative position of two nodes to each other in the DOM tree.","spec":"https://dom.spec.whatwg.org/#dom-node-comparedocumentposition","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Node/compareDocumentPosition","title":"MDN Web Docs - Node.compareDocumentPosition"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"u","3.5":"u","3.6":"u","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"a #2","6":"u","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"y","12":"y","12.1":"y","15":"a #1","16":"a #1","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"u","2.2":"u","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"The spec requires that comparisons of nodes in different documents, and comparisons where at least one node is not in any document, must arbitrarily (but consistently) set either the `DOCUMENT_POSITION_PRECEDING` or `DOCUMENT_POSITION_FOLLOWING` bit in the result. These browser versions don't set either bit in some such cases.","2":"Sets neither the `DOCUMENT_POSITION_DISCONNECTED` bit nor the `DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC` bit in some cases when comparing nodes in different documents or when comparing a node which is not in any document."},"usage_perc_y":95.96,"usage_perc_a":1.82,"ucprefix":false,"parent":"","keywords":"Node,compareDocumentPosition,compare,document,position,preceding,following,disconnected,before,after,contains,contained,DOM","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"http-live-streaming":{"title":"HTTP Live Streaming (HLS)","description":"HTTP-based media streaming communications protocol","spec":"https://tools.ietf.org/html/rfc8216","status":"unoff","links":[{"url":"https://en.wikipedia.org/wiki/HTTP_Live_Streaming","title":"Wikipedia article"},{"url":"https://developer.apple.com/streaming/","title":"Apple developer article"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"HLS is being replaced by Dynamic Adaptive Streaming over HTTP (aka MPEG-DASH)","notes_by_num":{},"usage_perc_y":56.7,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"apple http live streaming,m3u8","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"es6-module":{"title":"JavaScript modules via script tag","description":"Loading JavaScript modules using `<script type=\"module\">`","spec":"https://html.spec.whatwg.org/multipage/scripting.html#attr-script-type","status":"ls","links":[{"url":"https://strongloop.com/strongblog/an-introduction-to-javascript-es6-modules/","title":"Intro to ES6 modules"},{"url":"https://blogs.windows.com/msedgedev/2016/05/17/es6-modules-and-beyond/","title":"MS Edge blog post"},{"url":"https://hacks.mozilla.org/2015/08/es6-in-depth-modules/","title":"Mozilla hacks article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=568953","title":"Firefox support bug"},{"url":"https://blog.hospodarets.com/native-ecmascript-modules-the-first-overview","title":"Blog post: Native ECMAScript modules - the first overview"},{"url":"https://tc39.github.io/ecma262/#sec-modules","title":"Counterpart ECMAScript specification for import/export syntax"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n d #1","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n d #2","55":"n d #2","56":"n d #2","57":"n d #2","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n d #1","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n d #2"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Support can be enabled via `about:flags`","2":"Support can be enabled via `about:config`","3":"Support can be enabled via the `experimental-web-platform-features` flag"},"usage_perc_y":66.12,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"es6,javascript,module,import,export","ie_id":"moduleses6","chrome_id":"5365692190687232","firefox_id":"","webkit_id":"feature-modules"},"es6-class":{"title":"ES6 classes","description":"ES6 classes are syntactical sugar to provide a much simpler and clearer syntax to create objects and deal with inheritance.","spec":"https://www.ecma-international.org/ecma-262/6.0/#sec-class-definitions","status":"other","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes","title":"MDN Web Docs - ES6 classes"},{"url":"https://www.sitepoint.com/object-oriented-javascript-deep-dive-es6-classes/","title":"Sitepoint deep dive on ES6 classes"},{"url":"https://github.com/joshburgess/not-awesome-es6-classes","title":"List of resources critical of ES6 classes"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Requires strict mode. Non-strict mode support is behind the flag 'Enable Experimental JavaScript', disabled by default."},"usage_perc_y":87.37,"usage_perc_a":0.31,"ucprefix":false,"parent":"","keywords":"ES6,JavaScript,class","ie_id":"classeses6","chrome_id":"4633745457938432","firefox_id":"","webkit_id":""},"ping":{"title":"Ping attribute","description":"When used on an anchor, this attribute signifies that the browser should a ping request the resource the attribute points to.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#ping","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a#attr-ping","title":"MDN Web Docs - Element ping attribute"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/6996308-implement-hyperlink-auditing-aka-the-ping-attribu","title":"UserVoice request for ping attribute"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"y"},"firefox":{"2":"n","3":"n d #1","3.5":"n d #1","3.6":"n d #1","4":"n d #1","5":"n d #1","6":"n d #1","7":"n d #1","8":"n d #1","9":"n d #1","10":"n d #1","11":"n d #1","12":"n d #1","13":"n d #1","14":"n d #1","15":"n d #1","16":"n d #1","17":"n d #1","18":"n d #1","19":"n d #1","20":"n d #1","21":"n d #1","22":"n d #1","23":"n d #1","24":"n d #1","25":"n d #1","26":"n d #1","27":"n d #1","28":"n d #1","29":"n d #1","30":"n d #1","31":"n d #1","32":"n d #1","33":"n d #1","34":"n d #1","35":"n d #1","36":"n d #1","37":"n d #1","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n d #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"While still in the WHATWG specification, this feature was removed from the W3C HTML5 specification in 2010.","notes_by_num":{"1":"Disabled by default for [privacy reasons](http://kb.mozillazine.org/Browser.send_pings). Can be enabled via the `browser.send_pings` flag."},"usage_perc_y":83.58,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ping,a.ping,a[ping],ping attribute","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"form-submit-attributes":{"title":"Attributes for form submission","description":"Attributes for form submission that may be specified on submit buttons. The attributes are: `formaction`, `formenctype`, `formmethod`, `formnovalidate`, and `formtarget`","spec":"https://html.spec.whatwg.org/multipage/forms.html#attributes-for-form-submission","status":"ls","links":[{"url":"http://html5doctor.com/html5-forms-introduction-and-new-attributes/#formaction","title":"Article describing each attribute"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"u","10.5":"u","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"u","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"u","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.65,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"async-functions":{"title":"Async functions","description":"Async function make it possible to treat functions returning Promise objects as if they were synchronous.","spec":"https://tc39.github.io/ecmascript-asyncawait/","status":"other","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function","title":"MDN Web Docs - Async functions"},{"url":"https://developers.google.com/web/fundamentals/getting-started/primers/async-functions","title":"Async functions - making promises friendly"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n d #1","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Since build 14342 - disabled by default; can be enabled through about:flags","2":"Async functions are present in Firefox Nightly since 31th October 2016."},"usage_perc_y":83.69,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ES2017,JavaScript,function,async,await,promises,asynchronous","ie_id":"asyncfunctions","chrome_id":"5643236399906816","firefox_id":"async-function","webkit_id":""},"html-media-capture":{"title":"HTML Media Capture","description":"Facilitates user access to a device's media capture mechanism, such as a camera, or microphone, from within a file upload control.","spec":"https://w3c.github.io/html-media-capture/","status":"cr","links":[{"url":"https://addpipe.com/blog/correct-syntax-html-media-capture/","title":"Correct Syntax for HTML Media Capture"},{"url":"https://books.google.com.au/books?id=gswdarRZVUoC&pg=PA263&dq=%22file+upload+compatibility+table%22","title":"Programming the Mobile Web: File upload compatibility table"},{"url":"https://addpipe.com/html-media-capture-demo/","title":"HTML Media Capture Test Bench"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"y #1","7.0-7.1":"y #1","8":"y #1","8.1-8.4":"y #1","9.0-9.2":"y #1","9.3":"y #1","10.0-10.2":"y #1","10.3":"y #1","11.0-11.2":"y #1","11.3":"y #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"y #2","2.3":"y #2","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"u","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #3"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"u"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"iOS6-10 do not support the capture attribute used to force capture straight from the device's camera or microphone. Also note that default video dimensions are 480x320 (4:3).","2":"Android 2.2-2.3 do not support the capture attribute","3":"Supports a \"capture\" button for any `<input type=\"file\"> field, regardless of the whether the capture attribute is used."},"usage_perc_y":43.88,"usage_perc_a":8.51,"ucprefix":false,"parent":"","keywords":"htmlmediacapture, html media capture, media capture, mediacapture","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-text-indent":{"title":"CSS text-indent","description":"The `text-indent` property applies indentation to lines of inline content in a block.","spec":"https://drafts.csswg.org/css-text-3/#text-indent-property","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-indent","title":"MDN Web Docs - CSS text-indent"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=784648","title":"Firefox support bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=112755","title":"WebKit support bug"},{"url":"https://www.sitepoint.com/css-image-replacement-text-indent-negative-margins-and-more/","title":"Article on using text-indent for image replacement"}],"categories":["CSS"],"stats":{"ie":{"5.5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"a #1","3":"a #1","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1 #2","39":"a #1 #2","40":"a #1 #2","41":"a #1 #2","42":"a #1 #2","43":"a #1 #2","44":"a #1 #2","45":"a #1 #2","46":"a #1 #2","47":"a #1 #2","48":"a #1 #2","49":"a #1 #2","50":"a #1 #2","51":"a #1 #2","52":"a #1 #2","53":"a #1 #2","54":"a #1 #2","55":"a #1 #2","56":"a #1 #2","57":"a #1 #2","58":"a #1 #2","59":"a #1 #2","60":"a #1 #2","61":"a #1 #2","62":"a #1 #2","63":"a #1 #2","64":"a #1 #2","65":"a #1 #2","66":"a #1 #2","67":"a #1 #2"},"safari":{"3.1":"a #1","3.2":"a #1","4":"a #1","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"a #1","9.5-9.6":"a #1","10.0-10.1":"a #1","10.5":"a #1","10.6":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","11.6":"a #1","12":"a #1","12.1":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1 #2","26":"a #1 #2","27":"a #1 #2","28":"a #1 #2","29":"a #1 #2","30":"a #1 #2","31":"a #1 #2","32":"a #1 #2","33":"a #1 #2","34":"a #1 #2","35":"a #1 #2","36":"a #1 #2","37":"a #1 #2","38":"a #1 #2","39":"a #1 #2","40":"a #1 #2","41":"a #1 #2","42":"a #1 #2","43":"a #1 #2","44":"a #1 #2","45":"a #1 #2","46":"a #1 #2","47":"a #1 #2","48":"a #1 #2","49":"a #1 #2","50":"a #1 #2","51":"a #1 #2","52":"a #1 #2"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"a #1"},"android":{"2.1":"a #1","2.2":"a #1","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"a #1"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"a #1","11":"a #1","11.1":"a #1","11.5":"a #1","12":"a #1","12.1":"a #1","37":"a #1 #2"},"and_chr":{"64":"a #1 #2"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"a #1","5":"a #1 #2","6.2":"a #1 #2"},"and_qq":{"1.2":"a #1 #2"},"baidu":{"7.12":"a #1 #2"}},"notes":"","notes_by_num":{"1":"Partial support refers to supporting a `<length>` value, but not the `each-line` or `hanging` keywords.","2":"Support for `each-line` & `hanging` is available behind the Experimental Web Platform features flag"},"usage_perc_y":0,"usage_perc_a":98.24,"ucprefix":false,"parent":"","keywords":"each-line,hanging","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"intersectionobserver":{"title":"IntersectionObserver","description":"API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport. The position is delivered asynchronously and is useful for understanding the visibility of elements and implementing pre-loading and deferred loading of DOM content.","spec":"https://www.w3.org/TR/intersection-observer/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API","title":"MDN Web Docs - Intersection Observer"},{"url":"https://github.com/w3c/IntersectionObserver/tree/master/polyfill","title":"Polyfill"},{"url":"https://developers.google.com/web/updates/2016/04/intersectionobserver","title":"Google Developers article"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n d #1","53":"n d #1","54":"n d #1","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled in Firefox by setting the `about:config` preference `dom.IntersectionObserver.enabled` to true","2":"\"Preliminary\" support as feature is still in development"},"usage_perc_y":72.94,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"intersectionobserver","chrome_id":"5695342691483648","firefox_id":"intersection-observer","webkit_id":"specification-intersection-observer"},"css-marker-pseudo":{"title":"CSS ::marker pseudo-element","description":"The `::marker` pseudo-element allows list item markers to be styled or have their content value customized.","spec":"https://drafts.csswg.org/css-lists-3/#marker-pseudo-element","status":"wd","links":[{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=457718","title":"Chrome support bug"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=205202","title":"Firefox support bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=141477","title":"WebKit support bug"},{"url":"https://wpdev.uservoice.com/forums/257854-internet-explorer-platform/suggestions/7084750-css-3-marker-pseudo-element","title":"Edge UserVoice request"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/::marker","title":"MDN Web Docs - CSS ::marker"},{"url":"https://css-tricks.com/almanac/selectors/m/marker/","title":"CSS-Tricks article"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y #1","TP":"y #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Safari supports [the definition in the CSS Pseudo-Elements Module Level 4](https://www.w3.org/TR/css-pseudo-4/#marker-pseudo) instead of one in the List module due to the flux definition in it."},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"dommatrix":{"title":"DOMMatrix","description":"The `DOMMatrix` interface represents 4x4 matrices, suitable for 2D and 3D operations. Supersedes the `WebKitCSSMatrix` and `SVGMatrix` interfaces.","spec":"https://drafts.fxtf.org/geometry/#dommatrix","status":"cr","links":[{"url":"https://developer.apple.com/reference/webkitjs/webkitcssmatrix","title":"WebKitCSSMatrix API Reference"},{"url":"https://compat.spec.whatwg.org/#webkitcssmatrix-interface","title":"WebKitCSSMatrix in Compatibility Standard"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/DOMMatrix","title":"MDN Web Docs - DOMMatrix"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=581955","title":"Chrome implementation bug"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"a #3","34":"a #3","35":"a #3","36":"a #3","37":"a #3","38":"a #3","39":"a #3","40":"a #3","41":"a #3","42":"a #3","43":"a #3","44":"a #3","45":"a #3","46":"a #3","47":"a #3","48":"a #3","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"a #1 #2","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"a x #2","2.2":"a x #2","2.3":"a x #2","3":"a x #2","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"y"},"bb":{"7":"u","10":"a #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #1"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"a #1","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"a #1"}},"notes":"","notes_by_num":{"1":"Only supports the `WebKitCSSMatrix` version of the interface, not `DOMMatrix`","2":"`WebKitCSSMatrix#skewX`, `WebKitCSSMatrix#skewY` are not supported","3":"Only supports the `DOMMatrix` version of the interface, not `WebKitCSSMatrix` (support required by spec for legacy reasons)"},"usage_perc_y":61.43,"usage_perc_a":33.04,"ucprefix":false,"parent":"","keywords":"matrix,WebKitCSSMatrix,MSCSSMatrix,CSSMatrix,DOMMatrix,DOMMatrixReadOnly","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"url":{"title":"URL API","description":"API to retrieve the various parts that make up a given URL from a given URL string.","spec":"https://url.spec.whatwg.org/#api","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/URL","title":"MDN Web Docs - URL interface"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/URL/URL","title":"MDN Web Docs - URL constructor"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n #1","24":"n #1","25":"n #1","26":"n #1","27":"n #1","28":"n #1","29":"n #1","30":"n #1","31":"n #1","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n #1","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n #1","16":"n #1","17":"n #1","18":"n #1","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n #1","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n #1","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n #1"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"See also [URLSearchParams](#feat=urlsearchparams).","notes_by_num":{"1":"Allows objects to be created via `URL` constructor, but instances do not have the expected url properties."},"usage_perc_y":89.79,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"url constructor","ie_id":"urlapi","chrome_id":"5675829346435072","firefox_id":"","webkit_id":""},"flow-root":{"title":"display: flow-root","description":"The element generates a block container box, and lays out its contents using flow layout. It always establishes a new block formatting context for its contents. The result is the same as the \"clearfix\" hack.","spec":"https://www.w3.org/TR/css-display-3/#valdef-display-flow-root","status":"wd","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1322191","title":"Mozilla bug report"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=672508","title":"Chromium bug report"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=165603","title":"WebKit bug report"},{"url":"https://wpdev.uservoice.com/forums/257854/suggestions/17420707","title":"Edge bug report"},{"url":"https://rachelandrew.co.uk/archives/2017/01/24/the-end-of-the-clearfix-hack/","title":"Blog post: \"The end of the clearfix hack?\""}],"categories":["CSS","CSS2"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":60.06,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"display,flow-root","ie_id":"","chrome_id":"5769454877147136","firefox_id":"css-display-flow-root","webkit_id":""},"css-rrggbbaa":{"title":"#rrggbbaa hex color notation","description":"The CSS Color Module Level 4 defines new 4 & 8 character hex notation for color to include the opacity level.","spec":"https://drafts.csswg.org/css-color/#hex-notation","status":"unoff","links":[{"url":"http://jsbin.com/ruyetahatu/edit?html,css,output","title":"JS Bin testcase"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/17366608--rrggbbaa-and-rgba-color-notation-support","title":"Edge support request for rrggbbaa"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n d #1","6.2":"n d #1"},"and_qq":{"1.2":"n d #1"},"baidu":{"7.12":"n d #1"}},"notes":"Support in Android WebView is currently disabled due to [this issue](https://bugs.chromium.org/p/chromium/issues/detail?id=618472)","notes_by_num":{"1":"Can be enabled via the \"Experimental web platform features\" flag."},"usage_perc_y":70.23,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"rgba, rrggbbaa, color","ie_id":"","chrome_id":"5685348285808640","firefox_id":"","webkit_id":""},"beforeafterprint":{"title":"Printing Events","description":"Window fires `beforeprint` and `afterprint` events so the printed document can be annotated.","spec":"https://www.w3.org/TR/html5/webappapis.html#printing","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Guide/Printing#Detecting_print_requests","title":"MDN Web Docs - Detecting print requests"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=218205","title":"Chrome support bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=19937","title":"Safari support bug"}],"categories":["HTML5","JS API"],"stats":{"ie":{"5.5":"u","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"u","10":"u"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"u","11":"u"},"and_uc":{"11.8":"u"},"samsung":{"4":"u","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Due to its wider support, consider using `window.matchMedia('print')` where possible.","notes_by_num":{},"usage_perc_y":10.68,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"print,printer,printing,beforeprint,afterprint","ie_id":"","chrome_id":"5700595042222080","firefox_id":"","webkit_id":""},"tls1-3":{"title":"TLS 1.3","description":"An upcoming version of the Transport Layer Security (TLS) protocol. Removes weaker elliptic curves and hash functions.","spec":"https://tools.ietf.org/html/draft-ietf-tls-tls13-21","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.3","title":"Wikipedia article on TLS"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=630147","title":"Chrome support bug"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/17379247-support-tls-1-3-with-1-rtt","title":"UserVoice support request"}],"categories":["Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n d","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n d","55":"n d","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n d","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"u"},"bb":{"7":"n","10":"u"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"u"},"ie_mob":{"10":"n","11":"u"},"and_uc":{"11.8":"u"},"samsung":{"4":"u","5":"u","6.2":"y"},"and_qq":{"1.2":"u"},"baidu":{"7.12":"u"}},"notes":"","notes_by_num":{"1":"Can be enabled by setting \"TLS 1.3\" to \"Enabled (Draft)\" at `chrome://flags/tls13-variant`.","2":"Can be enabled by setting \"Maximum TLS version enabled\" to \"TLS 1.3\"at `chrome://flags/`. Support is reported to have be currently enabled as of version 56 for 1/10th of all users."},"usage_perc_y":62,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"tls13","chrome_id":"5712755738804224","firefox_id":"","webkit_id":""},"webvr":{"title":"WebVR API","description":"API for accessing virtual reality (VR) devices, including sensors and head-mounted displays.","spec":"https://w3c.github.io/webvr/","status":"unoff","links":[{"url":"https://webvr.rocks/","title":"Detailed device support information"},{"url":"https://github.com/googlevr/webvr-polyfill","title":"WebVR polyfill"},{"url":"http://aframe.io","title":"WebVR framework"},{"url":"https://webvr.info/","title":"WebVR info"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/WebVR_API","title":"MDN Web Docs - WebVR API"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y #3","16":"y #3","17":"y #3"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n d #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n d #2","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2","62":"n d #2","63":"n d #2","64":"n d #2","65":"n d #2","66":"n d #2","67":"n d #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y #5"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"y #4","5":"a #4","6.2":"a #4"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n d #2"}},"notes":"Not every computer or smartphone could run WebVR appication. For smartphones, you need a gyroscope and for computers must be VR-ready also the needed sotfware (Oculus client or (Steam VR and VivePort)) and drivers must been installed on the computer. In this situations, you've the best experiance to use WebVR applications.","notes_by_num":{"1":"Available and enabled by default only in Firefox Windows. Enabled in Nightly for iOS.","2":"Enabled behind the WebVR & \"Gamepad Extensions\" flags under `chrome://flags`. Currently builds use an older version of the (still changing) specification and supports only the Oculus Rift and the HTC vive on Windows VR-ready computers.","3":"[In development](https://blogs.windows.com/msedgedev/2016/09/09/webvr-in-development-edge/#3lMW05DTZXbXcK46.97) in the latest Edge builds and supports only [Windows Mixed Reality](https://developer.microsoft.com/en-us/windows/mixed-reality).","4":"Supports only Samsung Galaxy devices with the Samgung Gear VR","5":"Supports only Google Daydream on [daydream-ready devices](https://vr.google.com/daydream/smartphonevr/phones/) and Google Cardboards"},"usage_perc_y":35.86,"usage_perc_a":2,"ucprefix":false,"parent":"","keywords":"getvrdevices,getvrdisplays,getdisplays,navigator.vr","ie_id":"webvr","chrome_id":"4532810371039232","firefox_id":"","webkit_id":""},"css-apply-rule":{"title":"CSS @apply rule","description":"Allows a set of CSS properties to be applied using a named variable","spec":"https://tabatkins.github.io/specs/css-apply-rule/","status":"unoff","links":[{"url":"http://zeke.sikelianos.com/css-from-the-future/","title":"Article on CSS @apply"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"u","16":"u","17":"u"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1","62":"n d #1","63":"n d #1","64":"n d #1","65":"n d #1","66":"n d #1","67":"n d #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n d #1","39":"n d #1","40":"n d #1","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n d #1"},"and_chr":{"64":"n d #1"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n d #1","6.2":"n d #1"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n d #1"}},"notes":"See also support for [CSS Variables](#feat=css-variables)","notes_by_num":{"1":"Can be enabled via the \"Experimental web platform features\" flag under about:flags"},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5753701012602880","firefox_id":"","webkit_id":""},"mediacapture-fromelement":{"title":"Media Capture from DOM Elements API","description":"API to capture Real-Time video and audio from a DOM element, such as a `<video>`, `<audio>`, or `<canvas>` element via the `captureStream` method, in the form of a `MediaStream`","spec":"https://w3c.github.io/mediacapture-fromelement/","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/captureStream","title":"MDN Web Docs - capture from <canvas>"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/captureStream","title":"MDN Web Docs - capture from <video>/<audio>"},{"url":"https://developers.google.com/web/updates/2016/10/capture-stream","title":"Google Developers article"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"a #2","44":"a #2","45":"a #2","46":"a #2","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"a #2","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #2","60":"a #2","61":"a #2"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"a d #2","52":"a d #2","53":"a d #2","54":"a d #2","55":"a d #2","56":"a d #2","57":"a d #2","58":"a d #2","59":"a d #2","60":"a d #2","61":"a d #2","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"a d #2","37":"a d #2","38":"a d #2","39":"a d #2","40":"a d #2","41":"a d #2","42":"a d #2","43":"a d #2","44":"a d #2","45":"a d #2","46":"a d #2","47":"a d #2","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"a #2"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"n","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Does not support capture from `<video>`/`<audio>`","2":"Capture from `<video>`/`<audio>` can be enabled via the Experimental Web Platform Features flag."},"usage_perc_y":54.57,"usage_perc_a":19.25,"ucprefix":false,"parent":"stream","keywords":"canvas,mediastream,capturestream,canvas.capturestream","ie_id":"","chrome_id":"5522768674160640,4817998447640576","firefox_id":"","webkit_id":""},"css-hanging-punctuation":{"title":"CSS hanging-punctuation","description":"Allows some punctuation characters from start (or the end) of text elements to be placed \"outside\" of the box in order to preserve the reading flow.","spec":"https://drafts.csswg.org/css-text-3/#hanging-punctuation-property","status":"wd","links":[{"url":"https://css-tricks.com/almanac/properties/h/hanging-punctuation/","title":"CSS tricks article"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1253615","title":"Firefox bug #1253615"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"u","16":"u","17":"u"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":11.48,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"hanging punctuation,force-end,allow-end","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"auxclick":{"title":"Auxclick","description":"The click event for non-primary buttons of input devices","spec":"https://w3c.github.io/uievents/#event-type-auxclick","status":"wd","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Events/auxclick","title":"MDN Web Docs - auxclick"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1304044","title":"Firefox implementation"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=22382","title":"WebKit bug"},{"url":"https://wicg.github.io/auxclick/","title":"Original Proposal"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/17997901-auxclick-event-for-non-primary-buttons","title":"Microsoft Edge feature request on UserVoice"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"y #1","54":"y #1","55":"y #1","56":"y #1","57":"y #1","58":"y #1","59":"y #1","60":"y #1","61":"y #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"u"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"With introduction of this feature there will be no longer click event fired for non-primary buttons","notes_by_num":{"1":"As a compatibility measure, Firefox continues to fire the click event for document and window level event handlers."},"usage_perc_y":71.19,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"click,auxclick,non-primary button,middle click","ie_id":"","chrome_id":"5663174342737920","firefox_id":"","webkit_id":""},"background-repeat-round-space":{"title":"CSS background-repeat round and space","description":"Allows CSS background images to be repeated without clipping.","spec":"https://www.w3.org/TR/css3-background/#the-background-repeat","status":"cr","links":[{"url":"https://developer.mozilla.org//docs/Web/CSS/background-repeat","title":"MDN Web Docs - background-repeat"},{"url":"https://css-tricks.com/almanac/properties/b/background-repeat/","title":"CSS-Tricks article on background-repeat"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"a #1","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"n","16":"n","17":"n","18":"n","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"IE9 does not appear to render \"background-repeat: round\" correctly."},"usage_perc_y":96.31,"usage_perc_a":0.12,"ucprefix":false,"parent":"","keywords":"4 value syntax,background-repeat: round,background-repeat: space","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"document-evaluate-xpath":{"title":"document.evaluate & XPath","description":"Allow nodes in an XML/HTML document to be traversed using XPath expressions. ","spec":"https://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathEvaluator-evaluate","status":"unoff","links":[{"url":"https://timkadlec.com/2008/02/xpath-in-javascript-introduction/","title":"XPath in Javascript: Introduction"},{"url":"https://developer.mozilla.org/en-US/docs/Introduction_to_using_XPath_in_JavaScript","title":"MDN Web Docs - XPath introduction"},{"url":"https://blogs.windows.com/msedgedev/2015/03/19/improving-interoperability-with-dom-l3-xpath/","title":"Edge team article on implementation"},{"url":"https://wiki.whatwg.org/wiki/DOM_XPath","title":"DOM XPath - WHATWG Wiki"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"u","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"y","3.2":"y","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":94.71,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"dom l3 xpath,dom level 3","ie_id":"domlevel3xpath","chrome_id":"","firefox_id":"","webkit_id":""},"css-namespaces":{"title":"CSS namespaces","description":"Using the `@namespace` at-rule, elements of other namespaces (e.g. SVG) can be targeted using the pipe (`|`) selector.","spec":"https://drafts.csswg.org/css-namespaces/","status":"rec","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/@namespace","title":"MDN Web Docs - CSS @namespace"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":97.98,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-overflow-anchor":{"title":"CSS overflow-anchor (Scroll Anchoring)","description":"Changes in DOM elements above the visible region of a scrolling box can result in the page moving while the user is in the middle of consuming the content.\r\nBy default, the value of  `overflow-anchor` is `auto`, it can mitigate this jarring user experience by keeping track of the position of an anchor node and adjusting the scroll offset accordingly","spec":"https://wicg.github.io/ScrollAnchoring/","status":"wd","links":[{"url":"https://github.com/WICG/ScrollAnchoring/blob/master/explainer.md","title":"Explainer"},{"url":"https://developers.google.com/web/updates/2016/04/scroll-anchoring","title":"Google developers article"}],"categories":["CSS3"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"Mozilla has discussed a similar feature in [Bug 43114](https://bugzilla.mozilla.org/show_bug.cgi?id=43114).","notes_by_num":{},"usage_perc_y":57.91,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"overflow-anchor,scroll anchoring","ie_id":"","chrome_id":"5700102471548928","firefox_id":"","webkit_id":""},"hardwareconcurrency":{"title":"navigator.hardwareConcurrency","description":"Returns the number of logical cores of the user's CPU. The value may be reduced to prevent device fingerprinting or because it exceeds the allowed number of simultaneous web workers.","spec":"https://html.spec.whatwg.org/multipage/workers.html#navigator.hardwareconcurrency","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/NavigatorConcurrentHardware/hardwareConcurrency","title":"MDN Web Docs - navigator.hardwareConcurrency"},{"url":"https://wiki.whatwg.org/wiki/Navigator_HW_Concurrency","title":"Original Proposal"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=132588","title":"WebKit implementation bug"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n d #1","9":"n d #1","9.1":"n d #1","10":"n d #1","10.1":"y #1","11":"y #1","11.1":"y #1","TP":"y #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n d #1","8.1-8.4":"n d #1","9.0-9.2":"n d #1","9.3":"n d #1","10.0-10.2":"n d #1","10.3":"y #1","11.0-11.2":"y #1","11.3":"y #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"WebKit browsers clamp the maximum value returned to 2 on iOS devices and 8 on all others. Disabled in Safari behind the ENABLE_NAVIGATOR_HWCONCURRENCY build option."},"usage_perc_y":87.04,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"navigator,cores,hardware,concurrency,hardwareConcurrency","ie_id":"hardwareconcurrency","chrome_id":"6248386202173440","firefox_id":"","webkit_id":""},"css-rebeccapurple":{"title":"Rebeccapurple color","description":"The new color added in CSS Color Module Level 4","spec":"https://www.w3.org/TR/css-color-4/#valdef-color-rebeccapurple","status":"wd","links":[{"url":"https://codepen.io/trezy/post/honoring-a-great-man","title":"Codepen blog post"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"u","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Only works in IE11 for Windows 10, not older versions of Windows"},"usage_perc_y":90.27,"usage_perc_a":2.78,"ucprefix":false,"parent":"","keywords":"rebeccapurple,beccapurple","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"rel-noreferrer":{"title":"Link type \"noreferrer\"","description":"Links with `rel=\"noreferrer\"` set do not send the request's \"referrer\" header. This prevents the destination site from seeing what URL the user came from.","spec":"https://html.spec.whatwg.org/multipage/semantics.html#link-type-noreferrer","status":"ls","links":[{"url":"https://www.thoughtco.com/rel-noreferrer-3468002","title":"Blog post on rel=\"noreferrer\""}],"categories":["DOM","HTML5","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a #1"},"edge":{"12":"u","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"u","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Only supported in IE11 in later versions of Windows 10 (creators update)."},"usage_perc_y":91.29,"usage_perc_a":2.78,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-display-contents":{"title":"CSS display: contents","description":"`display: contents` causes an element's children to appear as if they were direct children of the element's parent, ignoring the element itself. This can be useful when a wrapper element should be ignored when using CSS grid or similar layout techniques.","spec":"https://drafts.csswg.org/css-display/","status":"wd","links":[{"url":"https://rachelandrew.co.uk/archives/2016/01/29/vanishing-boxes-with-display-contents/","title":"Vanishing boxes with display contents"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=657748","title":"Chrome support bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=157477","title":"WebKit support bug"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/10938981-implement-the-box-generation-keywords-from-css-dis","title":"Edge UserVoice support request"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1","62":"n d #1","63":"n d #1","64":"n d #1","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Enabled in Chrome through the \"experimental Web Platform features\" flag in chrome://flags"},"usage_perc_y":5.43,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5663606012116992","firefox_id":"","webkit_id":""},"eme":{"title":"Encrypted Media Extensions","description":"The EncryptedMediaExtenstions API provides interfaces for controlling the playback of content which is subject to a DRM scheme.","spec":"https://w3c.github.io/encrypted-media/","status":"pr","links":[{"url":"https://www.html5rocks.com/en/tutorials/eme/basics/","title":"HTML5rocks article"},{"url":"https://en.wikipedia.org/wiki/Encrypted_Media_Extensions","title":"Wikipedia article"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Encrypted_Media_Extensions_API","title":"Encrypted Media Extensions API on MDN"}],"categories":["JS API","Security"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a x #1"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"a x #1","7.1":"a x #1","8":"a x #1","9":"a x #1","9.1":"a x #1","10":"a x #1","10.1":"a x #1","11":"a x #1","11.1":"a x #1","TP":"a x #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Only supports the older event-based specification"},"usage_perc_y":66.57,"usage_perc_a":5.39,"ucprefix":false,"parent":"","keywords":"requestMediaKeySystemAccess,createMediaKeys","ie_id":"encryptedmediaextensions","chrome_id":"6578378068983808","firefox_id":"","webkit_id":""},"web-share":{"title":"Web Share API","description":"A way to allow websites to invoke the native sharing capabilities of the host platform","spec":"https://wicg.github.io/web-share/","status":"unoff","links":[{"url":"https://developers.google.com/web/updates/2016/10/navigator-share","title":"Chrome post"},{"url":"https://blog.hospodarets.com/web-share-api","title":"Web Share API brings the native sharing capabilities to the browser"},{"url":"https://philna.sh/blog/2017/03/14/the-web-share-api/","title":"Web Share API"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1312422","title":"Mozilla bug #1312422: Consider experimental support for Web Share API"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n #2","19":"n #2","20":"n #2","21":"n #2","22":"n #2","23":"n #2","24":"n #2","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"u","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n #3","62":"n #3"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n #3"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n #3","6.2":"n #3"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"u"}},"notes":"","notes_by_num":{"1":"Partial support refers to feature only being available for sites opting into the [origin trial](https://github.com/GoogleChrome/OriginTrials/blob/gh-pages/developer-guide.md)","2":"Implemented old [Web Intents](https://dvcs.w3.org/hg/web-intents/raw-file/tip/spec/Overview-respec.html)","3":"Android [intent://](https://developer.chrome.com/multidevice/android/intents) URLs can be used instead."},"usage_perc_y":29.31,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"web share,share, share api,intents api","ie_id":"","chrome_id":"5668769141620736","firefox_id":"","webkit_id":"feature-web-share"},"css-text-orientation":{"title":"CSS text-orientation","description":"The CSS `text-orientation` property specifies the orientation of text within a line. Current values only have an effect in vertical typographic modes (defined with the `writing-mode` property)","spec":"https://drafts.csswg.org/css-writing-modes-3/#text-orientation","status":"cr","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/text-orientation","title":"CSS text-orientation on MDN"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"u","10.1":"y x","11":"y x","11.1":"y x","TP":"y x"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":84.32,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"indexeddb2":{"title":"IndexedDB 2.0","description":"Improvements to Indexed DB, including getAll(), renaming stores and indexes, and binary keys.","spec":"https://www.w3.org/TR/IndexedDB-2/","status":"cr","links":[{"url":"https://hacks.mozilla.org/2016/10/whats-new-in-indexeddb-2-0/","title":"Mozilla Hacks: What's new in IndexedDB 2.0?"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/IndexedDB_API","title":"MDN Web Docs - IndexedDB API"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"a #1","45":"a #1","46":"a #1","47":"a #2","48":"a #2","49":"a #2","50":"a #2","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"u","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #1"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"a #2","6.2":"a #2"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Missing: IDBKeyRange includes(), renaming stores/indexes, binary keys, IDBObjectStore getKey(), IDBCursor continuePrimaryKey()","2":"Missing: Renaming stores/indexes, binary keys, IDBObjectStore getKey(), IDBCursor continuePrimaryKey()"},"usage_perc_y":71.32,"usage_perc_a":4.3,"ucprefix":false,"parent":"","keywords":"indexdb,indexeddb,idb","ie_id":"indexeddb","chrome_id":"5812621622116352,6571252802125824,6537756637396992","firefox_id":"indexeddb","webkit_id":"specification-indexed-database-2.0"},"hevc":{"title":"HEVC/H.265 video format","description":"The High Efficiency Video Coding (HEVC) compression standard is a video compression format intended to succeed H.264","spec":"https://www.itu.int/rec/T-REC-H.265","status":"other","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?format=default&id=1332136","title":"Firefox support bug (WONTFIX)"},{"url":"https://en.wikipedia.org/wiki/High_Efficiency_Video_Coding","title":"Wikipedia article"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/10311075-hevc-support","title":"UserVoice support request for Edge"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=684382","title":"Chrome support bug (WontFix)"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"a #3","11.1":"a #3","TP":"a #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n #2"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n #2"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n #2","6.2":"n #2"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Supported only for devices with [hardware support](https://answers.microsoft.com/en-us/insider/forum/insider_apps-insider_wmp/windows-10-hevc-playback-yes-or-no/3c1ab780-a6b2-4b77-ac0f-9faeefd4680d)","2":"Reported to work in certain Android devices with hardware support","3":"Supported only on macOS High Sierra or later"},"usage_perc_y":7.71,"usage_perc_a":6.1,"ucprefix":false,"parent":"video","keywords":"h265","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"resizeobserver":{"title":"Resize Observer","description":"Method for observing and reacting to changes to sizes of DOM elements.","spec":"https://wicg.github.io/ResizeObserver/","status":"unoff","links":[{"url":"https://developers.google.com/web/updates/2016/10/resizeobserver","title":"Google Developers Article"},{"url":"https://github.com/WICG/ResizeObserver/blob/master/explainer.md","title":"Explainer Doc"},{"url":"https://github.com/que-etc/resize-observer-polyfill","title":"Polyfill"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1272409","title":"Firefox implementation bug"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=157743","title":"WebKit implementation bug"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1","62":"n d #1","63":"n d #1","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n d #1","42":"n d #1","43":"n d #1","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n d #1"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled via the \"Experimental Web Platform Features\" flag"},"usage_perc_y":0.62,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ResizeObserver,onresize,resize events","ie_id":"resizeobserver","chrome_id":"5705346022637568","firefox_id":"","webkit_id":""},"heif":{"title":"HEIF/ISO Base Media File Format","description":"HEIF (High Efficiency Image File Format) is a standard developed by the Moving Picture Experts Group (MPEG) for storage and sharing of images and image sequences.","spec":"http://nokiatech.github.io/heif/technical.html","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/High_Efficiency_Image_File_Format","title":"Wikipedia article"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n #1","11.1":"n #1","TP":"n #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n #1","11.3":"n #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"While supported natively in macOS High Sierra and iOS 11, the file format does not appear to be supported in Safari."},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"localecompare":{"title":"localeCompare()","description":"The `localeCompare()` method returns a number indicating whether a reference string comes before or after or is the same as the given string in sort order.","spec":"https://www.ecma-international.org/ecma-402/2.0/#sec-13.1.1","status":"other","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/localeCompare","title":"MDN article"}],"categories":["JS"],"stats":{"ie":{"5.5":"u","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"a #1","3":"a #1","3.5":"a #1","3.6":"a #1","4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"a #1","5":"a #1","6":"a #1","7":"a #1","8":"a #1","9":"a #1","10":"a #1","11":"a #1","12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"a #1","3.2":"a #1","4":"a #1","5":"a #1","5.1":"a #1","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"u","12":"u","12.1":"a #1","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"a #1","4.0-4.1":"a #1","4.2-4.3":"a #1","5.0-5.1":"a #1","6.0-6.1":"a #1","7.0-7.1":"a #1","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"a #1"},"android":{"2.1":"a #1","2.2":"a #1","2.3":"a #1","3":"a #1","4":"a #1","4.1":"a #1","4.2-4.3":"a #1","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"a #1","10":"a #1"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"a #1","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1","11":"y"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"a #1","5":"y","6.2":"y"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Only supports basic support without locale & options parameters."},"usage_perc_y":83.09,"usage_perc_a":15.07,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"background-sync":{"title":"Background Sync API","description":"Provides one-off and periodic synchronization for Service Workers with an onsync event.","spec":"https://wicg.github.io/BackgroundSync/spec/","status":"unoff","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1217544","title":"Firefox support bug"},{"url":"https://developer.mozilla.org/docs/Web/API/SyncManager","title":"SyncManager on MDN Web Docs"},{"url":"https://developers.google.com/web/updates/2015/12/background-sync","title":"Google Developers blog: Introducing Background Sync"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"u"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"u"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":68.03,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"syncmanager","ie_id":"backgroundsyncapi","chrome_id":"6170807885627392","firefox_id":"background-sync","webkit_id":""},"input-file-directory":{"title":"Directory selection from file input","description":"The `webkitdirectory` attribute on the `<input type=\"file\">` element allows entire directory with file contents (and any subdirectories) to be selected.","spec":"https://wicg.github.io/entries-api/#dom-htmlinputelement-webkitdirectory","status":"unoff","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/webkitdirectory","title":"MDN article"}],"categories":["DOM","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Lack of support in mobile browsers may be due to the OS file picker not having support for selecting a directory.","notes_by_num":{"1":"Can be enabled via the \"Experimental Features\" developer menu"},"usage_perc_y":35.07,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"mozdirectory,webkitRelativePath","ie_id":"webkitdirectoryandwebkitrelativepath","chrome_id":"","firefox_id":"","webkit_id":""},"constraint-validation":{"title":"Constraint Validation API","description":"API for better control over form field validation. Includes support for `checkValidity()`, `setCustomValidity()`, `reportValidity()` and validation states.","spec":"https://html.spec.whatwg.org/dev/form-control-infrastructure.html#the-constraint-validation-api","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/HTML5/Constraint_validation","title":"MDN article on constraint validation"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/14744163-support-htmlformelement-reportvalidity","title":"MS Edge UserVoice request for reportValidity"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1 #2 #3","11":"a #1 #2 #3"},"edge":{"12":"a #1 #2 #3","13":"a #1 #2 #3","14":"a #1 #2","15":"a #1 #2","16":"a #1 #2","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"a #1 #2 #3","5":"a #1 #2 #3","6":"a #1 #2 #3","7":"a #1 #2 #3","8":"a #1 #2 #3","9":"a #1 #2 #3","10":"a #1 #2 #3","11":"a #1 #2 #3","12":"a #1 #2 #3","13":"a #1 #2 #3","14":"a #1 #2 #3","15":"a #1 #2 #3","16":"a #1 #2 #3","17":"a #1 #2 #3","18":"a #1 #2 #3","19":"a #1 #2 #3","20":"a #1 #2 #3","21":"a #1 #2 #3","22":"a #1 #2 #3","23":"a #1 #2 #3","24":"a #1 #2 #3","25":"a #1 #2 #3","26":"a #1 #2 #3","27":"a #1 #2 #3","28":"a #1 #2 #3","29":"a #1 #2","30":"a #1 #2","31":"a #1 #2","32":"a #1 #2","33":"a #1 #2","34":"a #1 #2","35":"a #1 #2","36":"a #1 #2","37":"a #1 #2","38":"a #1 #2","39":"a #1 #2","40":"a #1 #2","41":"a #1 #2","42":"a #1 #2","43":"a #1 #2","44":"a #1 #2","45":"a #1 #2","46":"a #1 #2","47":"a #1 #2","48":"a #1 #2","49":"a #2","50":"a #2","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"u","5":"u","6":"u","7":"u","8":"u","9":"u","10":"u","11":"u","12":"u","13":"u","14":"u","15":"a #1 #2 #3","16":"a #1 #2 #3","17":"a #1 #2 #3","18":"a #1 #2 #3","19":"a #1 #2 #3","20":"a #1 #2 #3","21":"a #1 #2 #3","22":"a #1 #2 #3","23":"a #1 #2 #3","24":"a #1 #2 #3","25":"a #1 #2","26":"a #1 #2","27":"a #1 #2","28":"a #1 #2","29":"a #1 #2","30":"a #1 #2","31":"a #1 #2","32":"a #1 #2","33":"a #1 #2","34":"a #1 #2","35":"a #1 #2","36":"a #1 #2","37":"a #1 #2","38":"a #1 #2","39":"a #1 #2","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"u","5":"u","5.1":"a #1 #2 #3","6":"a #1 #2 #3","6.1":"a #1 #2 #3","7":"a #1 #2 #3","7.1":"a #1 #2","8":"a #1 #2","9":"a #1 #2","9.1":"a #1 #2","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"u","11":"u","11.1":"u","11.5":"u","11.6":"a #1 #2 #3","12":"a #1 #2 #3","12.1":"a #1 #2 #3","15":"a #1 #2","16":"a #1 #2","17":"a #1 #2","18":"a #1 #2","19":"a #1 #2","20":"a #1 #2","21":"a #1 #2","22":"a #1 #2","23":"a #1 #2","24":"a #1 #2","25":"a #1 #2","26":"a #1 #2","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"u","4.2-4.3":"u","5.0-5.1":"a #1 #2 #3","6.0-6.1":"a #1 #2 #3","7.0-7.1":"a #1 #2","8":"a #1 #2","8.1-8.4":"a #1 #2","9.0-9.2":"a #1 #2","9.3":"a #1 #2","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"u","2.2":"u","2.3":"u","3":"u","4":"a #1 #2 #3","4.1":"a #1 #2 #3","4.2-4.3":"a #1 #2 #3","4.4":"a #1 #2","4.4.3-4.4.4":"a #1 #2","62":"y"},"bb":{"7":"u","10":"a #1 #2"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"a #1 #2 #3","12.1":"a #1 #2 #3","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"a #1 #2 #3","11":"a #1 #2 #3"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"a #1 #2"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{"1":"Does not support `reportValidity`","2":"Does not support `validity.tooShort`. See also [support for `minlength`.](https://caniuse.com/#feat=input-minlength)","3":"Does not support `validity.badInput`"},"usage_perc_y":85.87,"usage_perc_a":8.79,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-conic-gradients":{"title":"CSS Conical Gradients","description":"Method of defining a conical or repeating conical color gradient as a CSS image.","spec":"https://www.w3.org/TR/css-images-4/#conic-gradients","status":"wd","links":[{"url":"https://leaverou.github.io/conic-gradient/","title":"Client-side polyfill"},{"url":"https://github.com/jonathantneal/postcss-conic-gradient","title":"Server-side polyfill (PostCSS)"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/8471413-implement-conic-gradients-from-css-image-values-le","title":"Microsoft Edge feature request on UserVoice"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1175958","title":"Mozilla bug #1175958: Implement conic gradients from CSS Image Values Level 4"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n d #1","60":"n d #1","61":"n d #1","62":"n d #1","63":"n d #1","64":"n d #1","65":"n d #1","66":"n d #1","67":"n d #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n d #1"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled via the \"Experimental Web Platform Features\" flag"},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"css-gradients","keywords":"conical-gradient,repeating-conical-gradient,gradient,conical","ie_id":"conicgradients","chrome_id":"5706155347148800","firefox_id":"","webkit_id":"feature-conic-gradients"},"css-caret-color":{"title":"CSS caret-color","description":"The `caret-color` property allows the color to be set of the caret (blinking text insertion pointer) in an editable text area.","spec":"https://www.w3.org/TR/css-ui-3/#caret-color","status":"cr","links":[{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/17595823-implement-caret-color-support","title":"Edge UserVoice request for caret-color"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=166572","title":"WebKit support bug"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/caret-color","title":"MDN article"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"u"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":68.71,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5720917787279360","firefox_id":"","webkit_id":""},"offscreencanvas":{"title":"OffscreenCanvas","description":"OffscreenCanvas allows canvas drawing to occur with no connection to the DOM and can be used inside workers.","spec":"https://html.spec.whatwg.org/multipage/canvas.html#the-offscreencanvas-interface","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/OffscreenCanvas","title":"MDN article"},{"url":"https://hacks.mozilla.org/2016/01/webgl-off-the-main-thread/","title":"WebGL off the main thread - Mozilla Hacks article"}],"categories":["HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n d #1","45":"n d #1","46":"n d #1","47":"n d #1","48":"n d #1","49":"n d #1","50":"n d #1","51":"n d #1","52":"n d #1","53":"n d #1","54":"n d #1","55":"n d #1","56":"n d #1","57":"n d #1","58":"n d #1","59":"n d #1","60":"n d #1","61":"n d #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n d #2","59":"n d #2","60":"n d #2","61":"n d #2","62":"n d #2","63":"n d #2","64":"n d #2","65":"n d #2","66":"n d #2","67":"n d #2"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n d #2","46":"n d #2","47":"n d #2","48":"n d #2","49":"n d #2","50":"n d #2","51":"n d #2","52":"n d #2"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n d #1"},"and_ff":{"57":"n d #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Can be enabled via the `gfx.offscreencanvas.enabled` flag. Currently only supports WebGL contexts, not 2D.","2":"Can be enabled via the `Experimental canvas features` flag"},"usage_perc_y":0,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5424182347169792","firefox_id":"","webkit_id":""},"es6-generators":{"title":"ES6 Generators","description":"ES6 Generators are special functions that can be used to control the iteration behavior of a loop. Generators are defined using a `function*` declaration.","spec":"http://www.ecma-international.org/ecma-262/6.0/#","status":"other","links":[{"url":"http://exploringjs.com/es6/ch_generators.html","title":"Exploring JS chapter on generators"},{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*","title":"MDN article on the `function*` declaration"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":88.23,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"yield,iterators","ie_id":"generatorses6","chrome_id":"4959347197083648","firefox_id":"","webkit_id":"feature-generators"},"mpeg-dash":{"title":"Dynamic Adaptive Streaming over HTTP (MPEG-DASH)","description":"HTTP-based media streaming communications protocol, an alternative to HTTP Live Streaming (HLS).","spec":"https://www.iso.org/standard/65274.html","status":"other","links":[{"url":"https://en.wikipedia.org/wiki/Dynamic_Adaptive_Streaming_over_HTTP","title":"Wikipedia article"},{"url":"https://github.com/Dash-Industry-Forum/dash.js/","title":"JavaScript implementation"}],"categories":["Other"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n #1 #2","22":"n #1 #2","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"DASH can be used with a JavaScript library in browsers that doesn't support it natively as long as they support [Media Source Extensions](/#feat=mediasource).","notes_by_num":{"1":"Can be enabled via the `media.dash.enabled` flag.","2":"Only WebM video is supported."},"usage_perc_y":1.83,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"object-values":{"title":"Object.values method","description":"The `Object.values()` method returns an array of a given object's own enumerable property values.","spec":"https://www.ecma-international.org/ecma-262/8.0/#sec-object.values","status":"other","links":[{"url":"https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_objects/Object/values","title":"Object.values() on MDN Web Docs"},{"url":"https://github.com/es-shims/Object.values","title":"Polyfill"}],"categories":["JS"],"stats":{"ie":{"5.5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"p","3":"p","3.5":"p","3.6":"p","4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"p","5":"p","6":"p","7":"p","8":"p","9":"p","10":"p","11":"p","12":"p","13":"p","14":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"p","42":"p","43":"p","44":"p","45":"p","46":"p","47":"p","48":"p","49":"p","50":"p","51":"p","52":"p","53":"p","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"p","3.2":"p","4":"p","5":"p","5.1":"p","6":"p","6.1":"p","7":"p","7.1":"p","8":"p","9":"p","9.1":"p","10":"p","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"p","9.5-9.6":"p","10.0-10.1":"p","10.5":"p","10.6":"p","11":"p","11.1":"p","11.5":"p","11.6":"p","12":"p","12.1":"p","15":"p","16":"p","17":"p","18":"p","19":"p","20":"p","21":"p","22":"p","23":"p","24":"p","25":"p","26":"p","27":"p","28":"p","29":"p","30":"p","31":"p","32":"p","33":"p","34":"p","35":"p","36":"p","37":"p","38":"p","39":"p","40":"p","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"p","4.0-4.1":"p","4.2-4.3":"p","5.0-5.1":"p","6.0-6.1":"p","7.0-7.1":"p","8":"p","8.1-8.4":"p","9.0-9.2":"p","9.3":"p","10.0-10.2":"p","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"p"},"android":{"2.1":"p","2.2":"p","2.3":"p","3":"p","4":"p","4.1":"p","4.2-4.3":"p","4.4":"p","4.4.3-4.4.4":"p","62":"y"},"bb":{"7":"p","10":"p"},"op_mob":{"10":"p","11":"p","11.1":"p","11.5":"p","12":"p","12.1":"p","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"p","11":"p"},"and_uc":{"11.8":"y"},"samsung":{"4":"p","5":"p","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"p"}},"notes":"","notes_by_num":{},"usage_perc_y":84.35,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"object,values","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"unhandledrejection":{"title":"unhandledrejection/rejectionhandled events","description":"The `unhandledrejection` event is fired when a Promise is rejected but there is no rejection handler to deal with the rejection. The `rejectionhandled` event is fired when a Promise is rejected, and after the rejection is handled by the promise's rejection handling code.","spec":"https://html.spec.whatwg.org/multipage/webappapis.html#unhandled-promise-rejections:event-unhandledrejection","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/Events/rejectionhandled","title":"MDN article on rejectionhandled"},{"url":"https://developer.mozilla.org/en-US/docs/Web/Events/unhandledrejection","title":"MDN article on unhandledrejection"},{"url":"https://googlechrome.github.io/samples/promise-rejection-events/","title":"Chrome sample code"}],"categories":["JS","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"u","11.3":"u"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"n","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":69.51,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"onunhandledrejection,onrejectionhandled,promiserejectionevent","ie_id":"","chrome_id":"4805872211460096","firefox_id":"","webkit_id":""},"path2d":{"title":"Path2D","description":"Allows path objects to be declared on 2D canvas surfaces","spec":"https://html.spec.whatwg.org/multipage/canvas.html#path2d-objects","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Path2D","title":"MDN article"}],"categories":["Canvas","HTML5"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"a #1","8":"a #1","9":"a #1","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"u","8.1-8.4":"a #1","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #1"},"bb":{"7":"n","10":"y"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #1"},"and_chr":{"64":"a #1"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"a #1"},"samsung":{"4":"a #1","5":"a #1","6.2":"a #1"},"and_qq":{"1.2":"a #1"},"baidu":{"7.12":"a #1"}},"notes":"","notes_by_num":{"1":"Does not support the `addPath()` method"},"usage_perc_y":41.26,"usage_perc_a":48,"ucprefix":false,"parent":"canvas","keywords":"addpath","ie_id":"canvas2dpath2d","chrome_id":"","firefox_id":"","webkit_id":""},"webusb":{"title":"WebUSB","description":"Allows communication with devices via USB (Universal Serial Bus).","spec":"https://wicg.github.io/webusb/","status":"unoff","links":[{"url":"https://developers.google.com/web/updates/2016/03/access-usb-devices-on-the-web","title":"Google Developers article"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n d","55":"n d","56":"n d","57":"n d","58":"n d","59":"n d","60":"n d","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n d","42":"n d","43":"n d","44":"n d","45":"n d","46":"n d","47":"n d","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"y"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":54.95,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"5651917954875392","firefox_id":"","webkit_id":"feature-webusb"},"input-selection":{"title":"Selection controls for input & textarea","description":"Controls for setting and getting text selection via `setSelectionRange()` and the `selectionStart` & `selectionEnd` properties.","spec":"https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#dom-textarea/input-setselectionrange","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange","title":"MDN artcile on setSelectionRange"}],"categories":["HTML5","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"y","10":"y","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"y","3":"y","3.5":"y","3.6":"y","4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"u","3.2":"u","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"u","9.5-9.6":"u","10.0-10.1":"u","10.5":"u","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"u","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":95,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"media-fragments":{"title":"Media Fragments","description":"Allows only part of a resource to be shown, based on the fragment identifier in the URL. Currently support is primarily limited to video track ranges.","spec":"https://www.w3.org/TR/media-frags/","status":"rec","links":[{"url":"https://developer.mozilla.org/de/docs/Web/HTML/Using_HTML5_audio_and_video#Specifying_playback_range","title":"Media fragments on MDN"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1","53":"a #1","54":"a #1","55":"a #1","56":"a #1","57":"a #1","58":"a #1","59":"a #1","60":"a #1","61":"a #1","62":"a #1","63":"a #1","64":"a #1","65":"a #1","66":"a #1","67":"a #1"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"a #1","6.1":"a #1","7":"a #1","7.1":"a #1","8":"a #1","9":"a #1","9.1":"a #1","10":"a #1","10.1":"a #1","11":"a #1","11.1":"a #1","TP":"a #1"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"a #1","16":"a #1","17":"a #1","18":"a #1","19":"a #1","20":"a #1","21":"a #1","22":"a #1","23":"a #1","24":"a #1","25":"a #1","26":"a #1","27":"a #1","28":"a #1","29":"a #1","30":"a #1","31":"a #1","32":"a #1","33":"a #1","34":"a #1","35":"a #1","36":"a #1","37":"a #1","38":"a #1","39":"a #1","40":"a #1","41":"a #1","42":"a #1","43":"a #1","44":"a #1","45":"a #1","46":"a #1","47":"a #1","48":"a #1","49":"a #1","50":"a #1","51":"a #1","52":"a #1"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"a #1","8.1-8.4":"a #1","9.0-9.2":"a #1","9.3":"a #1","10.0-10.2":"a #1","10.3":"a #1","11.0-11.2":"a #1","11.3":"a #1"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"a #1","4.4.3-4.4.4":"a #1","62":"a #1"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #1"},"and_ff":{"57":"a #1"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"a #1"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Only appears to support the `#t=n,n` control for selecting a range of video, and possibly `track=(name)` & `id=(name)` (not yet tested)"},"usage_perc_y":0,"usage_perc_a":79.24,"ucprefix":false,"parent":"","keywords":"","ie_id":"mediafragments","chrome_id":"","firefox_id":"","webkit_id":""},"css-paint-api":{"title":"CSS Paint API","description":"Allows programmatic generation of images used by CSS","spec":"https://drafts.css-houdini.org/css-paint-api/","status":"wd","links":[{"url":"https://developers.google.com/web/updates/2018/01/paintapi","title":"Google CSS Paint API Introduction"},{"url":"https://ishoudinireadyyet.com/","title":"Is Houdini Ready Yet?"}],"categories":["CSS","JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{},"usage_perc_y":0.04,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"houdini","ie_id":"","chrome_id":"5685444318593024","firefox_id":"","webkit_id":"specification-css-painting-api-level-1"},"streams":{"title":"Streams","description":"Method of creating, composing, and consuming streams of data, that map efficiently to low-level I/O primitives, and allow easy composition with built-in backpressure and queuing.","spec":"https://streams.spec.whatwg.org/","status":"ls","links":[{"url":"https://github.com/whatwg/streams","title":"GitHub repository"},{"url":"https://developer.mozilla.org/en/docs/Web/API/ReadableStream","title":"ReadableStream on Mozilla Developer Network"},{"url":"https://jakearchibald.com/2016/streams-ftw/","title":"Blog article about streams"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n #1"},"edge":{"12":"u","13":"u","14":"a #2","15":"a #2","16":"a #4 #6","17":"a #4 #6"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n d #3 #5","58":"n d #3 #5","59":"n d #3 #5","60":"n d #3 #5","61":"n d #3 #5"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"a #2","53":"a #2","54":"a #2","55":"a #2","56":"a #2","57":"a #2","58":"a #2","59":"a #4","60":"a #4","61":"a #4","62":"a #4","63":"a #4","64":"a #4","65":"a #4","66":"a #4","67":"a #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"a #4 #5","10.1":"a #4 #5","11":"a #4 #5","11.1":"a #4 #5","TP":"a #4 #5"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"a #2","40":"a #2","41":"a #2","42":"a #2","43":"a #2","44":"a #2","45":"a #2","46":"a #4","47":"a #4","48":"a #4","49":"a #4","50":"a #4","51":"a #4","52":"a #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"u","10.3":"a #4","11.0-11.2":"a #4","11.3":"a #4"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #2"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"a #4"},"and_chr":{"64":"a #4"},"and_ff":{"57":"n d #3 #5"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"IE implements a different API than the one from WHATWG.","2":"Only basic read support.","3":"Disabled by default behind the `javascript.options.streams` and `dom.streams.enabled` flags. ","4":"No support for BYOB (\"bring your own buffer\") stream readers.","5":"No support for `WritableStream`.","6":"No support for the `pipeTo` or `pipeThrough` methods"},"usage_perc_y":0,"usage_perc_a":69.13,"ucprefix":false,"parent":"","keywords":"streams,writablestream,readablestream","ie_id":"streamsapireadablestream,streamsapiwritablestream","chrome_id":"6605041225957376","firefox_id":"streams","webkit_id":"specification-streams"},"css-overscroll-behavior":{"title":"CSS overscroll-behavior","description":"CSS property to control the behavior when the scroll position of a scroll container reaches the edge of the scrollport.","spec":"https://wicg.github.io/overscroll-behavior/","status":"unoff","links":[{"url":"https://ebidel.github.io/demos/chatbox.html","title":"Demo"},{"url":"https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/32172871-implement-css-overscroll-behavior","title":"UserVoice support request for Edge"},{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=951793#c11","title":"Firefox implementation bug"},{"url":"https://developers.google.com/web/updates/2017/11/overscroll-behavior","title":"Google Developers blog post on overflow-behavior"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=176454","title":"WebKit support bug"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"a #1","11":"a #1"},"edge":{"12":"a #1","13":"a #1","14":"a #1","15":"a #1","16":"a #1","17":"a #1"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"a #2","64":"a #2","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"a #2","51":"a #2","52":"a #2"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #2"},"and_ff":{"57":"n"},"ie_mob":{"10":"a #1","11":"a #1"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Supports the precursor version of the property: [`-ms-scroll-chaining`](https://msdn.microsoft.com/en-us/library/hh772034%28v=vs.85%29.aspx), which works similarly. IE support is limited to Windows 8 & above","2":"Does not support `overscroll-behavior: none;` on the body element to prevent the overscroll glow and rubberbanding effects."},"usage_perc_y":0.07,"usage_perc_a":58.51,"ucprefix":false,"parent":"","keywords":"scroll-boundary-behavior,overscroll-behavior-x,overscroll-behavior-y,-ms-scroll-chaining","ie_id":"","chrome_id":"5734614437986304","firefox_id":"","webkit_id":""},"variable-fonts":{"title":"Variable fonts","description":"OpenType font settings that allows a single font file to behave like multiple fonts: it can contain all the allowed variations in width, weight, slant, optical size, or any other exposed axes of variation as defined by the font designer. Variations can be applied via the `font-variation-settings` property.","spec":"https://drafts.csswg.org/css-fonts-4/#font-variation-settings-def","status":"wd","links":[{"url":"http://www.axis-praxis.org/about","title":"Axis-Praxs - Tool & info on variable fonts"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/font-variation-settings","title":"MDN Web docs article"},{"url":"https://medium.com/clear-left-thinking/how-to-use-variable-fonts-in-the-real-world-e6d73065a604","title":"How to use variable fonts in the real world"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"a #4"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n d #2 #4","54":"n d #2 #4","55":"n d #2 #4","56":"n d #2 #4","57":"n d #2 #4","58":"n d #2 #4","59":"n d #2 #4","60":"n d #2 #4","61":"n d #2 #4"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n d #1","60":"n d #1","61":"n d #1","62":"a #4","63":"a #4","64":"a #4","65":"a #4","66":"a #4","67":"a #4"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"y #3","11.1":"y #3","TP":"y #3"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"a #4","50":"a #4","51":"a #4","52":"a #4"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"a #4"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"a #4"},"and_ff":{"57":"n"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Works with Experimental Web Platform features enabled","2":"Requires MacOS 10.12+ and the following about:config flags to be enabled:\r\n`layout.css.font-variations.enabled`,\r\n`gfx.downloadable_fonts.keep_variation_tables`","3":"Requires MacOS 10.13+","4":"Does not support the `font-weight` and `font-stretch` properties, nor `format('truetype-variations')`"},"usage_perc_y":9.2,"usage_perc_a":54.57,"ucprefix":false,"parent":"","keywords":"variable fonts, variation fonts, font variations","ie_id":"fontvariationpropertieswithopentypevariablefontsupport","chrome_id":"4708676673732608","firefox_id":"css-font-variation-settings","webkit_id":"feature-variation-fonts"},"console-time":{"title":"console.time and console.timeEnd","description":"Functions for measuring performance","spec":"https://console.spec.whatwg.org/#time","status":"ls","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Console/time","title":"MDN Web Docs - Console.time"}],"categories":["JS API"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"y"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"y","5":"y","5.1":"y","6":"y","6.1":"y","7":"y","7.1":"y","8":"y","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"u","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"y","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"y","8.1-8.4":"y","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"y","62":"y"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"u","11":"u","11.1":"u","11.5":"u","12":"u","12.1":"u","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"y"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"`console.time()` starts a timer you can use to track how long an operation takes. You give each timer a unique name, and may have up to 10,000 timers running on a given page. When you call `console.timeEnd()` with the same name, the browser will output the time, in milliseconds, that elapsed since the timer was started. These functions are not always available in `workers`. For example, in Firefox, they are available from version `38`. More on using the `console` on mobile devices, see [here](https://caniuse.com/#feat=console-basic). ","notes_by_num":{},"usage_perc_y":97.55,"usage_perc_a":0,"ucprefix":false,"parent":"console-basic","keywords":"console.time,console.timeEnd,window.console","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"run-in":{"title":"display: run-in","description":"If the run-in box contains a block box, same as block. If a block box follows the run-in box, the run-in box becomes the first inline box of the block box. If an inline box follows, the run-in box becomes a block box.","spec":"https://drafts.csswg.org/css-display/#valdef-display-run-in","status":"wd","links":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2056","title":"Mozilla bug report"},{"url":"https://css-tricks.com/run-in/","title":"CSS Tricks article"}],"categories":["CSS","CSS2"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"y","9":"y","10":"y","11":"y"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n"},"chrome":{"4":"y","5":"y","6":"y","7":"y","8":"y","9":"y","10":"y","11":"y","12":"y","13":"y","14":"y","15":"y","16":"y","17":"y","18":"y","19":"y","20":"y","21":"y","22":"y","23":"y","24":"y","25":"y","26":"y","27":"y","28":"y","29":"y","30":"y","31":"y","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"y #1","3.2":"y #1","4":"y #1","5":"y","5.1":"y","6":"y","6.1":"u","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"y","9.5-9.6":"y","10.0-10.1":"y","10.5":"y","10.6":"y","11":"y","11.1":"y","11.5":"y","11.6":"y","12":"y","12.1":"y","15":"y","16":"y","17":"y","18":"y","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"y #1","4.0-4.1":"y","4.2-4.3":"y","5.0-5.1":"y","6.0-6.1":"y","7.0-7.1":"y","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"y"},"android":{"2.1":"y","2.2":"y","2.3":"y","3":"y","4":"y","4.1":"y","4.2-4.3":"y","4.4":"y","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"y","10":"y"},"op_mob":{"10":"y","11":"y","11.1":"y","11.5":"y","12":"y","12.1":"y","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"n"},"ie_mob":{"10":"y","11":"y"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"","notes_by_num":{"1":"Not before inline-elements"},"usage_perc_y":8.21,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"display,run-in","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"es6-string-includes":{"title":"String.prototype.includes","description":"The includes() method determines whether one string may be found within another string, returning true or false as appropriate.","spec":"http://www.ecma-international.org/ecma-262/6.0/#sec-string.prototype.includes","status":"other","links":[{"url":"https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes","title":"MDN: String.prototype.includes()"}],"categories":["JS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"y","13":"y","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"y","29":"y","30":"y","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":88.89,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"ES6,JavaScript,String,includes","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"document-scrollingelement":{"title":"document.scrollingElement","description":"`document.scrollingElement` refers to the element that scrolls the document.","spec":"https://drafts.csswg.org/cssom-view/#dom-document-scrollingelement","status":"wd","links":[{"url":"https://github.com/mathiasbynens/document.scrollingElement","title":"Polyfill"},{"url":"https://developer.mozilla.org/en-US/docs/Web/API/Document/scrollingElement","title":"MDN on scrollingElement"}],"categories":["DOM"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"u","13":"u","14":"y","15":"y","16":"y","17":"y"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y","53":"y","54":"y","55":"y","56":"y","57":"y","58":"y","59":"y","60":"y","61":"y","62":"y","63":"y","64":"y","65":"y","66":"y","67":"y"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"y","9.1":"y","10":"y","10.1":"y","11":"y","11.1":"y","TP":"y"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"y","32":"y","33":"y","34":"y","35":"y","36":"y","37":"y","38":"y","39":"y","40":"y","41":"y","42":"y","43":"y","44":"y","45":"y","46":"y","47":"y","48":"y","49":"y","50":"y","51":"y","52":"y"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"y","9.3":"y","10.0-10.2":"y","10.3":"y","11.0-11.2":"y","11.3":"y"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"y"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"y"},"and_chr":{"64":"y"},"and_ff":{"57":"y"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"y"},"samsung":{"4":"y","5":"y","6.2":"y"},"and_qq":{"1.2":"y"},"baidu":{"7.12":"y"}},"notes":"","notes_by_num":{},"usage_perc_y":88.47,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""},"css-focus-visible":{"title":":focus-visible CSS pseudo-class","description":"The `:focus-visible` pseudo-class applies while an element matches the `:focus` pseudo-class, and the UA determines via heuristics that the focus should be specially indicated on the element (typically via a \u201cfocus ring\u201d).","spec":"https://drafts.csswg.org/selectors-4/#the-focus-visible-pseudo","status":"unoff","links":[{"url":"https://github.com/WICG/focus-visible","title":"Prototype for `:focus-visible`"},{"url":"https://bugs.webkit.org/show_bug.cgi?id=30523","title":"WebKit bug #140144: Add support for `-webkit-focusring` CSS pseudo class"},{"url":"https://bugs.chromium.org/p/chromium/issues/detail?id=271023","title":"Chromium issue #271023: Outline should not appear on elements focused by mouse"},{"url":"https://developer.mozilla.org/en-US/docs/Web/CSS/:-moz-focusring","title":"Mozilla Developer Network (MDN) documentation - :-moz-focusring"}],"categories":["CSS"],"stats":{"ie":{"5.5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n"},"edge":{"12":"n","13":"n","14":"n","15":"n","16":"n","17":"n"},"firefox":{"2":"n","3":"n","3.5":"n","3.6":"n","4":"y x #1","5":"y x #1","6":"y x #1","7":"y x #1","8":"y x #1","9":"y x #1","10":"y x #1","11":"y x #1","12":"y x #1","13":"y x #1","14":"y x #1","15":"y x #1","16":"y x #1","17":"y x #1","18":"y x #1","19":"y x #1","20":"y x #1","21":"y x #1","22":"y x #1","23":"y x #1","24":"y x #1","25":"y x #1","26":"y x #1","27":"y x #1","28":"y x #1","29":"y x #1","30":"y x #1","31":"y x #1","32":"y x #1","33":"y x #1","34":"y x #1","35":"y x #1","36":"y x #1","37":"y x #1","38":"y x #1","39":"y x #1","40":"y x #1","41":"y x #1","42":"y x #1","43":"y x #1","44":"y x #1","45":"y x #1","46":"y x #1","47":"y x #1","48":"y x #1","49":"y x #1","50":"y x #1","51":"y x #1","52":"y x #1","53":"y x #1","54":"y x #1","55":"y x #1","56":"y x #1","57":"y x #1","58":"y x #1","59":"y x #1","60":"y x #1","61":"y x #1"},"chrome":{"4":"n","5":"n","6":"n","7":"n","8":"n","9":"n","10":"n","11":"n","12":"n","13":"n","14":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n","53":"n","54":"n","55":"n","56":"n","57":"n","58":"n","59":"n","60":"n","61":"n","62":"n","63":"n","64":"n","65":"n","66":"n","67":"n"},"safari":{"3.1":"n","3.2":"n","4":"n","5":"n","5.1":"n","6":"n","6.1":"n","7":"n","7.1":"n","8":"n","9":"n","9.1":"n","10":"n","10.1":"n","11":"n","11.1":"n","TP":"n"},"opera":{"9":"n","9.5-9.6":"n","10.0-10.1":"n","10.5":"n","10.6":"n","11":"n","11.1":"n","11.5":"n","11.6":"n","12":"n","12.1":"n","15":"n","16":"n","17":"n","18":"n","19":"n","20":"n","21":"n","22":"n","23":"n","24":"n","25":"n","26":"n","27":"n","28":"n","29":"n","30":"n","31":"n","32":"n","33":"n","34":"n","35":"n","36":"n","37":"n","38":"n","39":"n","40":"n","41":"n","42":"n","43":"n","44":"n","45":"n","46":"n","47":"n","48":"n","49":"n","50":"n","51":"n","52":"n"},"ios_saf":{"3.2":"n","4.0-4.1":"n","4.2-4.3":"n","5.0-5.1":"n","6.0-6.1":"n","7.0-7.1":"n","8":"n","8.1-8.4":"n","9.0-9.2":"n","9.3":"n","10.0-10.2":"n","10.3":"n","11.0-11.2":"n","11.3":"n"},"op_mini":{"all":"n"},"android":{"2.1":"n","2.2":"n","2.3":"n","3":"n","4":"n","4.1":"n","4.2-4.3":"n","4.4":"n","4.4.3-4.4.4":"n","62":"n"},"bb":{"7":"n","10":"n"},"op_mob":{"10":"n","11":"n","11.1":"n","11.5":"n","12":"n","12.1":"n","37":"n"},"and_chr":{"64":"n"},"and_ff":{"57":"y x #1"},"ie_mob":{"10":"n","11":"n"},"and_uc":{"11.8":"n"},"samsung":{"4":"n","5":"n","6.2":"n"},"and_qq":{"1.2":"n"},"baidu":{"7.12":"n"}},"notes":"Previously drafted as `:focus-ring`","notes_by_num":{"1":"As `:-moz-focusring`"},"usage_perc_y":5.59,"usage_perc_a":0,"ucprefix":false,"parent":"","keywords":"focus,ring,focusring,focus-ring,visible,focus-visible,pseudo","ie_id":"","chrome_id":"","firefox_id":"","webkit_id":""}}}