mrdoob/eventdispatcher.js

---

mrdoob/eventdispatcher.js.json

{
  "createdAt": "2011-10-26T02:45:59Z",
  "defaultBranch": "master",
  "description": "JavaScript events for custom objects",
  "fullName": "mrdoob/eventdispatcher.js",
  "homepage": "",
  "language": "JavaScript",
  "name": "eventdispatcher.js",
  "pushedAt": "2022-06-08T02:05:36Z",
  "stargazersCount": 328,
  "topics": [],
  "updatedAt": "2025-11-21T21:08:13Z",
  "url": "https://github.com/mrdoob/eventdispatcher.js"
}

eventdispatcher.js

JavaScript events for custom objects

Usage

import { EventDispatcher } from 'EventDispatcher.js';

// Adding events to custom object

class Car extends EventDispatcher {

  start() {

    this.dispatchEvent( { type: 'start', message: 'vroom vroom!' } );

  }

}

// Using events

const car = new Car();

car.addEventListener( 'start', function ( event ) {

  alert( event.message );

} );

car.start();