On the standards track: Yes
Is Experimental: No
Is Deprecated: Yes
In Bun version 1.0.0 on 2023-09-08
In Chrome version 1 on 2008-12-11 Note: Starting with Chrome 58 and Opera 45, setting this property to false does nothing, as per spec discussion.
In Chrome Android version 18 on 2012-06-27 Note: Starting with Chrome Android 58 and Opera 45, setting this property to false does nothing, as per spec discussion.
In Deno version 1.0 on 2020-05-13
In Edge version 12 on 2015-07-29
In Firefox version 53 on 2017-04-19 Note: Only supported for UIEvent, not all Event objects.
In Firefox for Android version 53 on 2017-04-19 Note: Only supported for UIEvent, not all Event objects.
In Internet Explorer version 9 on 2011-03-14
In Node.js version 14.5.0 on 2020-06-30 Note: This is not used in Node.js and is provided purely for completeness.
In Quest Browser version 5.0 on undefined Note: Starting with Quest Browser 5.0 and Opera 45, setting this property to false does nothing, as per spec discussion.
In Opera version ≤12.1 on undefined Note: Starting with Chrome 58 and Opera 45, setting this property to false does nothing, as per spec discussion.
In Opera Android version ≤12.1 on undefined Note: Starting with Chrome 58 and Opera 45, setting this property to false does nothing, as per spec discussion.
In Safari version 1 on 2003-06-23
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 and Opera 45, setting this property to false does nothing, as per spec discussion.
In WebView Android version 4.4 on 2013-12-09 Note: Starting with WebView Android 58 and Opera 45, setting this property to false does nothing, as per spec discussion.
In WebView on iOS version 1 on 2007-06-29