On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 20 on 2012-06-26
In Chrome Android version 25 on 2013-02-27
In Edge version 12 on 2015-07-28
Not in Firefox
In Firefox for Android version 18 on 2013-01-08
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 11 on 2010-12-16
In Opera Android version 14 on 2013-05-21
Not in Safari
In Safari on iOS from the start
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09