EventDispatcher

JavaScript events for custom objects.
Eventdispatcher on GitHub

Example

// Adding events to a custom object var Car = function() { this.start = function() { this.dispatchEvent({ type: 'start', message: 'vroom vroom!' }); }; }; // Mixing the EventDispatcher.prototype with the custom object prototype Object.assign(Car.prototype, EventDispatcher.prototype); // Using events with the custom object var car = new Car(); car.addEventListener('start', function(event) { alert(event.message); }); car.start();

Constructor

EventDispatcher()

Creates EventDispatcher object.

Methods

.addEventListener (type : String, listener : Function) : null

type - The type of event to listen to.
listener - The function that gets called when the event is fired.

Adds a listener to an event type.

.hasEventListener (type : String, listener : Function) : Boolean

type - The type of event to listen to.
listener - The function that gets called when the event is fired.

Checks if listener is added to an event type.

.removeEventListener (type : String, listener : Function) : null

type - The type of the listener that gets removed.
listener - The listener function that gets removed.

Removes a listener from an event type.

.dispatchEvent (event : object) : null

event - The event that gets fired.

Fire an event type.

Source

For more info on how to obtain the source code of this module see this page.