On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 32 on 2014-01-14
In Chrome Android version 32 on 2014-01-15
Not in Edge
In Firefox version 36 on 2015-02-24
In Firefox for Android version 36 on 2015-02-27
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
Not in Opera
Not in Opera Android
In Safari version 10 on 2016-09-20
In Safari on iOS version 10 on 2016-09-13
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4.3 on 2014-06-02