On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 1 on 2008-12-11 Note: Starting with Chrome 58, this interface can no longer be called as a function.
In Chrome Android version 18 on 2012-06-27 Note: Starting with Chrome Android 58, this interface can no longer be called as a function.
In Edge version 12 on 2015-07-29
In Firefox version 1 on 2004-11-09
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version 5.5 on 2000-07-06
In Quest Browser version 5.0 on undefined Note: Starting with Quest Browser 5.0, this interface can no longer be called as a function.
In Opera version ≤12.1 on undefined Note: Starting with Opera 45, this interface can no longer be called as a function.
In Opera Android version ≤12.1 on undefined Note: Starting with Opera 45, this interface can no longer be called as a function.
In Safari version 3 on 2007-10-26
In Safari on iOS version 1 on 2007-06-29
In Samsung Internet version 1.0 on 2013-04-27 Note: Starting with Samsung Internet 7.0, this interface can no longer be called as a function.
In WebView Android version 4.4 on 2013-12-09 Note: Starting with WebView Android 58, this interface can no longer be called as a function.
In WebView on iOS version 1 on 2007-06-29