On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 33 on 2014-02-20
In Chrome Android version 33 on 2014-02-26
In Edge version 15 on 2017-04-05
In Firefox version 34 on 2014-12-01 Note: Before Firefox 4, invalid selector strings caused false to be returned instead of throwing an exception. See bug 1119718 for removal.
In Firefox for Android version 34 on 2014-12-01 Note: See bug 1119718 for removal.
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined
In Opera version 21 on 2014-05-06
In Opera Android version 21 on 2014-04-22
In Safari version 8 on 2014-10-16
In Safari on iOS version 8 on 2014-09-17
In Samsung Internet version 2.0 on 2014-10-17
In WebView Android version 4.4.3 on 2014-06-02
In WebView on iOS version 8 on 2014-09-17