Constructor
new EventDispatcher()
Creates a new EventDispatcher instance.
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Methods
addEventListener(type, listener)
Adds an event listener to this EventDispatcher instance.
Parameters:
| Name | Type | Description |
|---|---|---|
type |
string | |
listener |
function |
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dispatchEvent(event)
Dispatches the specified event.
Parameters:
| Name | Type | Description |
|---|---|---|
event |
Event |
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hasEventListener(type, listeneropt) → {boolean}
Determines whether this EventDispatcher instance has a specific event
listener registered. If no listener is specified, it will check if any
listener of the specified event type is registered.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
type |
string | ||
listener |
function |
<optional> |
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Returns:
- Type
- boolean
off()
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- See:
on()
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removeAllEventListeners()
Removes all cached event listeners from this Element instance.
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removeEventListener(type, listener:undefined)
Removes an event listener from this EventDispatcher instance. If no
listener method is specified, all the listeners of the specified type
will be removed.
Parameters:
| Name | Type | Description |
|---|---|---|
type |
string | |
listener:undefined |
function |
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