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	<updated>2026-05-27T19:53:38Z</updated>
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		<id>https://wiki.whatwg.org/index.php?title=Implementations_in_Web_browsers&amp;diff=3563</id>
		<title>Implementations in Web browsers</title>
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		<updated>2009-03-13T15:51:22Z</updated>

		<summary type="html">&lt;p&gt;Reschke: note that FF3&amp;#039;s ping support does not match the current spec&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;List of known implementations of HTML 5 in web browsers (list is incomplete, feel free to extend it)&lt;br /&gt;
&lt;br /&gt;
For summary see [http://en.wikipedia.org/wiki/Comparison_of_layout_engines_%28WHATWG%29 Comparison of layout engines (WHATWG)] in Wikipedia.&lt;br /&gt;
&lt;br /&gt;
For an interactive view of features and which browsers they work in, see [http://a.deveria.com/caniuse/ http://a.deveria.com/caniuse/]&lt;br /&gt;
&lt;br /&gt;
==HTML 5==&lt;br /&gt;
&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#the-canvas canvas]&#039;&#039;&#039; with some limitation implemented in Firefox, Opera, Safari, and Konqueror 4, with [http://excanvas.sourceforge.net/ ExplorerCanvas] emulated in Internet Explorer&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#getelementsbyclassname getElementsByClassName]&#039;&#039;&#039; implemented in Firefox 3, Safari 3.1, Opera 9.5&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#storage localStorage and sessionStorage]&#039;&#039;&#039; implemented in Firefox 2, IE 8, nightly WebKit&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#sql Database storage]&#039;&#039;&#039;implemented in Safari&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#custom-handlers Custom content handlers]&#039;&#039;&#039; partially implemented in Firefox 2&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#ping ping attribute]&#039;&#039;&#039; implemented in Firefox 3 ([https://bugzilla.mozilla.org/show_bug.cgi?id=415168 turned off by default]) - note the implementation does not reflect the latest changes in the specification&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#crossDocumentMessages cross-document messaging]&#039;&#039;&#039; implemented in Opera 9, Safari and Firefox 3, IE 8&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#sound Audio interface]&#039;&#039;&#039; implemented in Opera 9, Konqueror 4, Safari 3.1&lt;br /&gt;
* &#039;&#039;&#039; [http://www.whatwg.org/specs/web-apps/current-work/multipage/section-video.html#video video element]&#039;&#039;&#039; implemented in Safari 3.1 and Firefox 3.1 alfa 2, basic implementation in [http://people.opera.com/howcome/2007/video/ experimental Opera build]; with [http://metavid.ucsc.edu/blog/2007/06/07/html5-video-the-future-is-now/ mv_embed script] in every browser with Java support &lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#server-sent-events Server-sent DOM events]&#039;&#039;&#039; implemented in Opera 9&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#contenteditable contenteditable attribute]&#039;&#039;&#039; implemented by Opera, Internet Explorer, Safari and Firefox 3&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#dnd Drag &amp;amp; drop]&#039;&#039;&#039; (partially) implemented in Internet Explorer, Safari and Firefox nightly builds.&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#the-end event DOMContentLoaded]&#039;&#039;&#039; implemented in Firefox, Safari, Opera&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-workers/current-work/ Web Workers]&#039;&#039;&#039; partly implemented in Firefox 3.1 alfa 2&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#offline Offline Web applications]&#039;&#039;&#039; implemented in Chrome (via Gears plugin), latest Safari on iPhone and Firefox 3.1&lt;br /&gt;
===Emulation===&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-apps/current-work/#the-localstorage localStorage]&#039;&#039;&#039; [http://translate.google.com/translate?u=http%3A%2F%2Fd.hatena.ne.jp%2FZIGOROu%2F20080924%2F1222221363&amp;amp;hl=ja&amp;amp;ie=UTF-8&amp;amp;sl=ja&amp;amp;tl=en emulation for IE6 and IE7]&lt;br /&gt;
&lt;br /&gt;
==Web Forms 2.0==&lt;br /&gt;
&lt;br /&gt;
* Opera 9 fully implemented [http://www.whatwg.org/wf2 Web Forms 2].&lt;br /&gt;
* Firefox 2 implemented &#039;&#039;&#039;[http://www.whatwg.org/specs/web-forms/current-work/#the-change input event]&#039;&#039;&#039; (there is still [https://bugzilla.mozilla.org/show_bug.cgi?id=195696 bug #195696])&lt;br /&gt;
&lt;br /&gt;
===Emulation===&lt;br /&gt;
&lt;br /&gt;
* Project &#039;&#039;&#039;[http://code.google.com/p/webforms2/ webforms2]&#039;&#039;&#039; emulates a big part of WF2 in every browser&lt;br /&gt;
* &#039;&#039;&#039;date input element&#039;&#039;&#039; with [http://code.google.com/p/input-type-date/ input-type-date] works in Firefox, IE6/7, Safari&lt;br /&gt;
* &#039;&#039;&#039;[http://www.whatwg.org/specs/web-forms/current-work/#repeatingFormControls Repetition Model]&#039;&#039;&#039; - Opera 9 (native), with [http://code.google.com/p/repetitionmodel/ repetitionmodel] works in Firefox, IE6/7, Safari 2.0.4&lt;br /&gt;
* Project [http://sourceforge.net/projects/wf2/] emulate in IE6/7 validation, date and time types, range, repetition, calculated fields, datalist, autofocus.&lt;br /&gt;
&lt;br /&gt;
==Web Controls 1.0==&lt;br /&gt;
&lt;br /&gt;
Not yet.&lt;br /&gt;
&lt;br /&gt;
[[Category:Implementations]]&lt;/div&gt;</summary>
		<author><name>Reschke</name></author>
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