Emitters

Classes, Handlers, and Managers which has an event category extends an Emitter, which recieves, listens, and emits events.

Emitters have three methods: on , once , and emit.

Methods

on( event , callback )

Listens to the event.

PARAMETER	TYPE	OPTIONAL	DESCRIPTION
event	String (opens new window)	⨯	The event to listen to.
callback	Function (opens new window)	⨯	The function when the event is fired.

once( event , callback )

Listens to the evnt once.

PARAMETER	TYPE	OPTIONAL	DESCRIPTION
event	String (opens new window)	⨯	The event to listen to.
callback	Function (opens new window)	⨯	The function when the event is fired.

emit( event , ...arguments )

Emits an event.

PARAMETER	TYPE	OPTIONAL	DESCRIPTION
event	String (opens new window)	⨯	The event to emit.
...arguments	Arguments (opens new window)	✓	The arguments to pass to the function callback.