On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 6 on 2010-09-02
In Chrome Android version 18 on 2012-06-27
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 7 on 2011-09-27
In Firefox for Android version 7 on 2011-09-27
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined
In Opera version 15 on 2013-07-02
In Opera Android version 14 on 2013-05-21
In Safari version 8 on 2014-10-16
In Safari on iOS version 9 on 2015-09-16
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version ≤37 on undefined