On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 25 on 2013-02-21
In Chrome Android version 25 on 2013-02-27
In Deno version 1.2 on 2020-07-13
In Edge version 12 on 2015-07-28
In Firefox version 38 on 2015-05-12
In Firefox for Android version 38 on 2015-05-12
In Internet Explorer version 10 on 2012-10-26
In Node.js version 8.5.0 on 2017-09-12
In Quest Browser version 5.0 on undefined
In Opera version 33 on 2015-10-27
In Opera Android version 33 on 2015-11-03
In Safari version 11 on 2017-09-19
In Safari on iOS version 11 on 2017-09-19
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09