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Gets a value that indicates whether an event propagates up from the event target.

Property of dom/Eventdom/Event


Note: This property is read-only.

var bubbles = event.bubbles;

Return Value

Returns an object of type BooleanBoolean

Whether the event propagates upward from the event target.


When you create a custom event by using the createEvent method, you can set the bubbles property by using the initEvent method.

Related specifications

DOM Level 3 Events
Working Draft

See also

Related pages