On the standards track: No
Is Experimental: No
Is Deprecated: Yes
In Chrome version 1 on 2008-12-11 Removed from Chrome version 56 on 2017-01-25
In Chrome Android version 18 on 2012-06-27 Removed from Chrome Android version 56 on 2017-02-01
Not in Edge
In Firefox version 15 on 2012-08-28 Removed from Firefox version 107 on 2022-11-15
In Firefox for Android version 15 on 2012-08-28 Removed from Firefox for Android version 107 on 2022-11-15
Not in Internet Explorer
Not in Quest Browser
In Opera version ≤12.1 on undefined Removed from Opera version 43 on 2017-02-07
In Opera Android version ≤12.1 on undefined Removed from Opera Android version 43 on 2017-09-27
In Safari version 3 on 2007-10-26
In Safari on iOS version 1 on 2007-06-29
In Samsung Internet version 1.0 on 2013-04-27 Removed from Samsung Internet version 6.0 on 2017-08-23
In WebView Android version ≤37 on undefined Removed from WebView Android version 56 on 2017-02-01