The Event.cancelBubble property is a historical alias to Event.stopPropagation(). Setting its value to true before returning from an event handler prevents propagation of the event. In later implementations, setting this to false does nothing. See Browser compatibility for details. 


event.cancelBubble = bool;
var bool = event.cancelBubble;


elem.onclick = function(e) {
 // do cool things here
  e.cancelBubble = true;


Specification Status Comment
The definition of 'cancelBubble' in that specification.
Living Standard  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) [1] 53 (53)[2] (Yes) (Yes) [1] (Yes)
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) [1] (Yes) [1] 53 (53)[2] (Yes) (Yes) [1] (Yes)

[1] Starting with Chrome 58 and Opera 45, setting this property to false does nothing, as per spec discussion.

[2] Previous to Firefox 52, this property was defined on the UIEvent interface. See bug 1298970 for more details.

Document Tags and Contributors

 Contributors to this page: Sheppy, caseyjhol, jpmedley, chrisdavidmills, erikadoyle, cvrebert
 Last updated by: Sheppy,