On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 34 on 2014-04-08
In Chrome Android version 34 on 2014-04-02
In Edge version ≤18 on undefined
In Firefox version 38 on 2015-05-12
In Firefox for Android version 38 on 2015-05-12
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 21 on 2014-05-06
In Opera Android version 21 on 2014-04-22
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 37 on 2014-09-03