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 1.3 on 2020-08-13
In Edge version 12 on 2015-07-28
In Firefox version 3.6 on 2010-01-21
In Firefox for Android version 32 on 2014-09-02
In Internet Explorer version 10 on 2012-10-26
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 1.0 on 2013-04-27
In WebView Android version 3 on 2011-02-22