On the standards track: Yes
Is Experimental: No
Is Deprecated: Yes
In Chrome version 23 on 2012-11-06
In Chrome Android version 25 on 2013-02-27
In Edge version 17 on 2018-04-30
In Firefox version 9 on 2011-12-20
In Firefox for Android version 9 on 2011-12-21
In Internet Explorer version 9 on 2011-03-14 Removed from Internet Explorer version 11 on 2013-10-17
In Quest Browser version 5.0 on undefined
In Opera version 12 on 2012-06-14
In Opera Android version 12 on 2012-02-25
In Safari version 5.1 on 2011-07-20 Removed from Safari version 7 on 2013-10-22
In Safari on iOS version 5 on 2011-10-12 Removed from Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09