A general understanding of dispatchevent

Source: Internet
Author: User

Dispatchevent is an event,
He himself, and even his eight-generation ancestor can receive it (bubble = true)
Objects that can issue events must implement ieventdispatcher and be sent by eventdispatcher. You can inherit eventdispatcher or composite eventdispatcher. Eventdispatcher is also the ancestor of the display object. All Display objects can issue events.
A. dispatchevent (new event ("custom anything", true); if it is true, it is bubbling; otherwise, it can only be received by itself,
(A or his ancestor). addeventlistener ("custom anything", function );

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