On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 1 on 2008-12-11
Not in Chrome Android
In Edge version 12 on 2015-07-29
In Firefox version 1 on 2004-11-09
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version ≤11 on undefined
Not in Quest Browser
In Opera version 15 on 2013-07-02
Not in Opera Android
In Safari version 3 on 2007-10-26
Not in Safari on iOS
Not in Samsung Internet
Not in WebView Android
Not in WebView on iOS