On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 31 on 2013-11-12
In Chrome Android version 31 on 2013-11-14
In Edge version 79 on 2020-01-15
In Firefox version 10 on 2012-01-31
In Firefox for Android version 50 on 2016-11-15
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
Not in Opera
Not in Opera Android
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4.3 on 2014-06-02