EventTarget Class
Mixins event emitter functionality to a class
Methods
emit
(
Boolean
-
eventName
Emit an event to all registered event listeners.
Parameters:
-
eventName
StringThe name of the event.
Returns:
Boolean:
Indication if we've emitted an event.
listeners
(
Array
-
eventName
Return a list of assigned event listeners.
Parameters:
-
eventName
StringThe events that should be listed.
Returns:
Array:
An array of listener functions
mixin
(
-
object
Mixes in the properties of the EventTarget prototype onto another object
Parameters:
-
object
ObjectThe obj to mix into
off
(
-
eventName
-
callback
Remove event listeners.
Parameters:
-
eventName
StringThe event we want to remove.
-
callback
FunctionThe listener that we need to find.
on
(
-
eventName
-
callback
Register a new EventListener for the given event.
Parameters:
-
eventName
StringName of the event.
-
callback
Functonfn Callback function.
once
(
-
eventName
-
callback
Add an EventListener that's only called once.
Parameters:
-
eventName
StringName of the event.
-
callback
FunctionCallback function.
removeAllListeners
(
-
eventName
Remove all listeners or only the listeners for the specified event.
Parameters:
-
eventName
StringThe event you want to remove all listeners for.