On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 28 on 2013-07-09
In Chrome Android version 28 on 2013-07-10
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 20 on 2013-04-02
In Firefox for Android version 20 on 2013-04-02
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 16 on 2013-08-27
In Opera Android version 15 on 2013-07-08
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 1.5 on 2013-09-25
In WebView Android version 4.4 on 2013-12-09