On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 27 on 2013-05-21
In Chrome Android version 27 on 2013-05-22
In Deno version 1.0 on 2020-05-13
In Edge version 13 on 2015-11-12
In Firefox version 34 on 2014-12-01
In Firefox for Android version 34 on 2014-12-01
Not in Internet Explorer
In Node.js version 10.0.0 on 2018-04-24
In Quest Browser version 5.0 on undefined
In Opera version 11 on 2010-12-16
In Opera Android version 11 on 2011-03-22
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