On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 35 on 2014-05-20
In Chrome Android version 35 on 2014-05-20
In Edge version 12 on 2015-07-28
In Firefox version 8 on 2011-11-08
In Firefox for Android version 8 on 2011-11-08
In Internet Explorer version 5.5 on 2000-07-06
In Quest Browser version 5.0 on undefined
In Opera version 22 on 2014-06-03
In Opera Android version 22 on 2014-06-17
In Safari version 9 on 2015-09-30
In Safari on iOS version 9 on 2015-09-16
In Samsung Internet version 3.0 on 2015-04-10
In WebView Android version 37 on 2014-09-03