On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 21 on 2012-07-31
In Chrome Android version 25 on 2013-02-27
In Edge version 12 on 2015-07-28
Not in Firefox
Not in Firefox for Android
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version 12.1 on 2012-11-20
In Opera Android version 14 on 2013-05-21
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 37 on 2014-09-03