On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 1 on 2008-12-11
In Chrome Android version 18 on 2012-06-27
In Edge version 15 on 2017-04-05
In Firefox version 45 on 2016-03-08
In Firefox for Android version 45 on 2016-03-08
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined
In Opera version 15 on 2013-07-02
In Opera Android version 14 on 2013-05-21
In Safari version 4 on 2009-06-08
In Safari on iOS version 4 on 2010-06-21
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version ≤37 on undefined