On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 2 on 2009-05-21
In Chrome Android version 18 on 2012-06-27
In Edge version 12 on 2015-07-29
In Firefox version 3 on 2008-06-17
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version 6 on 2001-08-27
In Quest Browser version 5.0 on undefined
In Opera version ≤12.1 on undefined
In Opera Android version ≤12.1 on undefined
In Safari version 7 on 2013-10-22 Note: Only supported for HTMLDocument, not all Document objects.
In Safari on iOS version 7 on 2013-09-18 Note: Only supported for HTMLDocument, not all Document objects.
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 4.4 on 2013-12-09
In WebView on iOS version 7 on 2013-09-18 Note: Only supported for HTMLDocument, not all Document objects.