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cancelBubble property

Sets or retrieves whether the current event should bubble up the hierarchy of event handlers.



p = object.cancelBubble

Property values

Type: Boolean

false (false)

Default. Bubbling is enabled, allowing the next event handler in the hierarchy to receive the event.

true (true)

Bubbling is disabled for this event, preventing the next event handler in the hierarchy from receiving the event.


Using this property to cancel bubbling for an event does not affect subsequent events.


This example cancels bubbling of the onclick event if it occurs in the img object when the user presses the SHIFT key. This prevents the event from bubbling up to the onclick event handler for the document.

<script type="text/javascript">
function checkCancel()
    if (window.event.shiftKey)
        window.event.cancelBubble = true;
function showSrc()
    if (window.event.srcElement.tagName == "img")

<body onclick="showSrc()">
<img onclick="checkCancel()" src ="sample.png">

See also




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