{
  "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"
    }
  ],
  "bugs":[
    
  ],
  "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",
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      "24":"n",
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      "31":"n",
      "32":"n",
      "33":"n",
      "34":"n",
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      "38":"n",
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      "40":"n",
      "41":"n",
      "42":"n",
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      "47":"n",
      "48":"n",
      "49":"n",
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      "51":"n",
      "52":"n",
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      "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",
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      "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",
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      "35":"n",
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      "37":"n",
      "38":"n",
      "39":"n",
      "40":"n",
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      "44":"n",
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      "46":"n",
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      "48":"n",
      "49":"n",
      "50":"n",
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      "55":"n",
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      "62":"n",
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      "64":"n",
      "65":"n",
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    "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"
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    "opera":{
      "9":"n",
      "9.5-9.6":"n",
      "10.0-10.1":"n",
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      "10.6":"n",
      "11":"n",
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      "11.6":"n",
      "12":"n",
      "12.1":"n",
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      "21":"n",
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      "24":"n",
      "25":"n",
      "26":"n",
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      "31":"n",
      "32":"n",
      "33":"n",
      "34":"n",
      "35":"n",
      "36":"n",
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      "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":"",
  "shown":true
}