On the standards track: Yes
Is Experimental: No
Is Deprecated: No
Not in Chrome
Not in Chrome Android
In Edge version 12 on 2015-07-28 Removed from Edge version 79 on 2020-01-15
In Firefox version 1 on 2004-11-09 Removed from Firefox version 3 on 2008-06-17
Not in Firefox for Android
In Internet Explorer version 8 on 2009-03-19
Not in Quest Browser
In Opera version 7 on 2003-01-28 Removed from Opera version 15 on 2013-07-02
Not in Opera Android
Not in Safari
Not in Safari on iOS
Not in Samsung Internet
Not in WebView Android