On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 17 on 2012-02-08
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 12 on 2012-04-24
In Firefox for Android version 14 on 2012-06-26
In Internet Explorer version 11 on 2013-10-17
In Node.js version 0.12.0 on 2015-02-06
In Quest Browser version 5.0 on undefined
In Opera version 12.1 on 2012-11-20
In Opera Android version 12.1 on 2012-10-09
In Safari version 5.1 on 2011-07-20
In Safari on iOS version 6 on 2012-09-10
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version 4.4 on 2013-12-09