{ "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" } ], "bugs":[ ], "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":"", "shown":true }