On the standards track: No
Is Experimental: No
Is Deprecated: Yes
In Chrome version 33 on 2014-02-20
In Chrome Android version 33 on 2014-02-26
In Edge version 12 on 2015-07-28
In Firefox version 1 on 2004-11-09
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version ≤6 on undefined
In Quest Browser version 5.0 on undefined
In Opera version 20 on 2014-03-04
In Opera Android version 20 on 2014-03-06
In Safari version 10.1 on 2017-03-27
In Safari on iOS version 10.3 on 2017-03-27
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4.3 on 2014-06-02