Class: EventEmitter

Methods

emit(evt, args)→{ this }

util/eventemitter.js, line 75

Emits an event by calling its listeners with the specified arguments.

Parameters:

evt	string	Event name
args	*	repeatable Arguments

Returns:

this

this

off(evt, fn)→{ this }

util/eventemitter.js, line 49

Removes an event listener or any matching listeners if arguments are omitted.

Parameters:

evt	string	optional Event name. Removes all listeners if omitted.
fn	EventEmitterListener	optional Listener to remove. Removes all listeners of evt if omitted.

Returns:

this

this

on(evt, fn, ctx)→{ this }

util/eventemitter.js, line 35

Registers an event listener.

Parameters:

evt	string	Event name
fn	EventEmitterListener	Listener
ctx	*	optional Listener context

Returns:

this

this