On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 37 on 2014-08-26
In Chrome Android version 37 on 2014-09-03
In Edge version 14 on 2016-08-02
Not in Firefox
Not in Firefox for Android
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 24 on 2014-09-02
In Opera Android version 24 on 2014-09-10
In Safari version 8 on 2014-10-16
In Safari on iOS version 8 on 2014-09-17
In Samsung Internet version 3.0 on 2015-04-10
In WebView Android version 37 on 2014-09-03