EventDispatcher()
constructor
EventDispatcher class is used to catch and dispatch custom events
EventDispatcher's constructor
Adds a listener to an event
Fires an event
Removes an event listener
Detaches all functions from all events
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Adds a listener to an event
| Parameter | Type | Description |
|---|---|---|
| eventName | String | The name of the event for which to add the listener |
| fn | Function | The callback function that will be called when the event is fired |
| context | Object | The context in which the callback will be called |
Fires an event
| Parameter | Type | Description |
|---|---|---|
| eventName | String | The name of the event that will be fired |
| params | Object | The parameters that will be sent to the callback functions of the listeners |