On the standards track: Yes
Is Experimental: No
Is Deprecated: No
Not in Chrome
Not in Chrome Android
Not in Edge
Not in Firefox
Not in Firefox for Android
In Internet Explorer version 8 on 2009-03-19
Not in Quest Browser
Not in Opera
In Opera Android version 10.1 on 2010-11-09
In Safari version 1.2 on 2004-02-02
In Safari on iOS version 1 on 2007-06-29
In Samsung Internet version 1.0 on 2013-04-27
Not in WebView Android