On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 26 on 2013-03-26
In Chrome Android version 26 on 2013-04-03
Not in Edge
In Firefox version 19 on 2013-02-19
In Firefox for Android version 19 on 2013-02-19
Not in Internet Explorer
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 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09