On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 4 on 2010-01-25
In Chrome Android version 18 on 2012-06-27
In Edge version 12 on 2015-07-28
In Firefox version 20 on 2013-04-02
In Firefox for Android version 20 on 2013-04-02
In Internet Explorer version 11 on 2013-10-17
In Quest Browser version 5.0 on undefined
In Opera version ≤15 on undefined
In Opera Android version ≤14 on undefined
In Safari version 5 on 2010-06-07
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