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 79 on 2020-01-15
In Firefox version 34 on 2014-12-01
In Firefox for Android version 34 on 2014-12-01
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 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4.3 on 2014-06-02
In WebView on iOS version 7 on 2013-09-18