Optional
Static
Rest
Calls each of the listeners registered for a given event.
Return an array listing the events for which the emitter has registered listeners.
Return the number of listeners listening to a given event.
Return the listeners registered for a given event.
Add a listener for a given event.
Add a one-time listener for a given event.
Remove all listeners, or those of the specified event.
Remove the listeners of a given event.
Calls each of the listeners registered for a given event.