On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 16 on 2011-12-13
In Chrome Android version 18 on 2012-06-27
In Edge version 12 on 2015-07-28
In Firefox version 14 on 2012-07-17
In Firefox for Android version 14 on 2012-06-26
In Internet Explorer version 11 on 2013-10-17
In Quest Browser version 5.0 on undefined
In Opera version 15 on 2013-07-02
In Opera Android version 14 on 2013-05-21
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 4.4 on 2013-12-09