On the standards track: Yes
Is Experimental: No
Is Deprecated: Yes
Not in Chrome
Not in Chrome Android
Not in Edge
In Firefox version 1 on 2004-11-09 Removed from Firefox version 23 on 2013-08-06
In Firefox for Android version 4 on 2011-03-29 Removed from Firefox for Android version 23 on 2013-08-06
Not in Internet Explorer
Not in Quest Browser
In Opera version 4 on 2000-06-28 Removed from Opera version 15 on 2013-07-02
In Opera Android version 10.1 on 2010-11-09 Removed from Opera Android version 14 on 2013-05-21
In Safari version preview on undefined
Not in Safari on iOS
Not in Samsung Internet
Not in WebView Android