On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 23 on 2012-11-06
In Chrome Android version 25 on 2013-02-27
In Edge version 18 on 2018-10-02
In Firefox version 49 on 2016-09-20
In Firefox for Android version 49 on 2016-09-20
In Internet Explorer version 5.5 on 2000-07-06
In Quest Browser version 5.0 on undefined
In Opera version 12.1 on 2012-11-20
In Opera Android version 12.1 on 2012-10-09
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09
In WebView on iOS version 7 on 2013-09-18