On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 29 on 2013-08-20
In Chrome Android version 29 on 2013-08-21
In Edge version 14 on 2016-08-02
In Firefox version 30 on 2014-06-10
Not in Firefox for Android
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 16 on 2013-08-27
In Opera Android version 16 on 2013-09-18
In Safari version 8 on 2014-10-16
In Safari on iOS version 8 on 2014-09-17
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09