On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 30 on 2013-10-01
In Chrome Android version 30 on 2013-10-02
In Edge version 12 on 2015-07-28
In Firefox version 49 on 2016-09-20
In Firefox for Android version 49 on 2016-09-20
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined
Not in Opera
In Opera Android version 18 on 2013-11-20
In Safari version 8 on 2014-10-16
In Safari on iOS version 8 on 2014-09-17
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4 on 2013-12-09