On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 45 on 2015-09-01
In Chrome Android version 39 on 2014-11-12
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 25 on 2013-10-29
In Firefox for Android version 25 on 2013-10-29
Not in Internet Explorer
In Node.js version 4.0.0 on 2015-09-08
In Quest Browser version 5.0 on undefined
In Opera version 26 on 2014-12-03
In Opera Android version 26 on 2014-12-02
In Safari version 9 on 2015-09-30
In Safari on iOS version 9 on 2015-09-16
In Samsung Internet version 4.0 on 2016-03-11
In WebView Android version 39 on 2014-11-12