On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 7 on 2010-10-19
In Chrome Android version 18 on 2012-06-27
In Edge version 12 on 2015-07-28
Not in Firefox
Not in Firefox for Android
In Internet Explorer version 11 on 2013-10-17
In Quest Browser version 5.0 on undefined
In Opera version 12 on 2012-06-14
In Opera Android version 12 on 2012-02-25
Not in Safari
In Safari on iOS version 4.2 on 2010-11-22
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 3 on 2011-02-22