On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 30 on 2013-10-01
In Chrome Android version 30 on 2013-10-02
Not in Deno
In Edge version 79 on 2020-01-15
In Firefox version 1.5 on 2005-11-29
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined
In Opera version 17 on 2013-10-08
In Opera Android version 18 on 2013-11-20
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 3.0 on 2015-04-10
In WebView Android version ≤37 on undefined