On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 19 on 2012-05-15
In Chrome Android version 25 on 2013-02-27
In Deno version 1.0 on 2020-05-13
In Edge version 17 on 2018-04-30
In Firefox version 54 on 2017-06-13
In Firefox for Android version 54 on 2017-06-13
Not in Internet Explorer
In Node.js version 7.0.0 on 2016-10-25
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 6.0 on 2017-08-23
In WebView Android version 4.4 on 2013-12-09