On the standards track: No
Is Experimental: No
Is Deprecated: Yes
In Chrome version 1 on 2008-12-11 Removed from Chrome version 38 on 2014-10-07
In Chrome Android version 18 on 2012-06-27 Removed from Chrome Android version 38 on 2014-10-08
Not in Edge
Not in Firefox
Not in Firefox for Android
Not in Internet Explorer
Not in Quest Browser
In Opera version 15 on 2013-07-02 Removed from Opera version 25 on 2014-10-15
In Opera Android version 14 on 2013-05-21 Removed from Opera Android version 25 on 2014-10-16
In Safari version 3.1 on 2008-03-18
In Safari on iOS version 3 on 2009-06-17
In Samsung Internet version 1.0 on 2013-04-27 Removed from Samsung Internet version 3.0 on 2015-04-10
In WebView Android version ≤37 on undefined Removed from WebView Android version 38 on 2014-10-08