On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 1 on 2008-12-11 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In Chrome Android version 18 on 2012-06-27 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In Edge version 12 on 2015-07-29
In Firefox version 1 on 2004-11-09 Note: Before Firefox 19, this method was returning a NodeList; it was then changed to reflect the change in the spec.
In Firefox for Android version 4 on 2011-03-29 Note: Before Firefox for Android 19, this method was returning a NodeList; it was then changed to reflect the change in the spec.
In Internet Explorer version 5.5 on 2000-07-06
In Quest Browser version 5.0 on undefined Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In Opera version 8 on 2005-04-19 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In Opera Android version 10.1 on 2010-11-09
In Safari version 1 on 2003-06-23 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In Safari on iOS version 1 on 2007-06-29 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In Samsung Internet version 1.0 on 2013-04-27 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In WebView Android version 4.4 on 2013-12-09 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.
In WebView on iOS version 1 on 2007-06-29 Note: Initially, this method was returning a NodeList; it was then changed to reflect the spec change.