On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 11 on 2011-04-27
In Chrome Android version 18 on 2012-06-27
Not in Deno
In Edge version 12 on 2015-07-28
In Firefox version 21 on 2013-05-14
In Firefox for Android version 21 on 2013-05-14
In Internet Explorer version 11 on 2013-10-17
Not in Node.js
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 5 on 2010-06-07
In Safari on iOS version 5 on 2011-10-12
In Samsung Internet version 1.0 on 2013-04-27
In WebView Android version ≤37 on undefined