On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 31 on 2013-11-12
In Chrome Android version 31 on 2013-11-14
In Edge version 13 on 2015-11-12
In Firefox version 48 on 2016-08-02
In Firefox for Android version 48 on 2016-08-02
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 18 on 2013-11-19
In Opera Android version 18 on 2013-11-20
In Safari version 9 on 2015-09-30
In Safari on iOS version 9 on 2015-09-16
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4.3 on 2014-06-02