On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 20 on 2012-06-26
In Chrome Android version 25 on 2013-02-27
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 13 on 2012-06-05
In Firefox for Android version 14 on 2012-06-26
In Internet Explorer version 10 on 2012-10-26
In Node.js version 15.7.0 on 2021-01-26
In Quest Browser version 5.0 on undefined
In Opera version 12 on 2012-06-14
In Opera Android version 12 on 2012-02-25
In Safari version 6 on 2012-07-25
In Safari on iOS version 6 on 2012-09-10
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09