On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 46 on 2015-10-13
In Chrome Android version 46 on 2015-10-14
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 1.5 on 2005-11-29
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version 9 on 2011-03-14
In Node.js version 14.5.0 on 2020-06-30
In Quest Browser version 5.0 on undefined
In Opera version 33 on 2015-10-27
In Opera Android version 33 on 2015-11-03
In Safari version 10 on 2016-09-20
In Safari on iOS version 10 on 2016-09-13
In Samsung Internet version 5.0 on 2016-12-15
In WebView Android version 46 on 2015-10-14