On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 24 on 2013-01-10
In Chrome Android version 25 on 2013-02-27
In Deno version 1.0 on 2020-05-13
In Edge version 79 on 2020-01-15
In Firefox version 52 on 2017-03-07
In Firefox for Android version 56 on 2017-09-28
Not in Internet Explorer
In Node.js version 0.12.0 on 2015-02-06
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 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4 on 2013-12-09