On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 41 on 2015-03-03
In Chrome Android version 36 on 2014-07-16
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-28
In Firefox version 17 on 2012-11-20
In Firefox for Android version 17 on 2012-11-20
Not in Internet Explorer
Not in Node.js
In Quest Browser version 5.0 on undefined
In Opera version 28 on 2015-03-10
In Opera Android version 24 on 2014-09-10
In Safari version 9 on 2015-09-30
In Safari on iOS version 9 on 2015-09-16
In Samsung Internet version 3.0 on 2015-04-10
In WebView Android version 37 on 2014-09-03