On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 19 on 2012-05-15
In Chrome Android version 25 on 2013-02-27
In Edge version 79 on 2020-01-15
In Firefox version 4 on 2011-03-22
In Firefox for Android version 4 on 2011-03-29
Not in Internet Explorer
In Quest Browser version 5.0 on undefined
In Opera version ≤12.1 on undefined
In Opera Android version ≤12.1 on undefined
In Safari version 6 on 2012-07-25
In Safari on iOS version 6 on 2012-09-10
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09