JAVASCRIPT

event in node js

const EventEmitter = require('events')
const myEmitter = new EventEmitter();
myEmitter.emit('newSale') //give name 
//setup listener
myEmitter.on("newSale", ()=> {console.log("There was a new sale!")})
myEmitter.emit("newSale")

make event nodejs

const events = require('events');

let emitter = new events.EventEmitter();

emitter.on('newEvent', (message)=>{
	
	console.log(`Message : ${message}`);
});

emitter.emit('newEvent', 'Hello guys, this is CodezUp');

nodejs event

const EventEmitter = require('events');

class MyEmitter extends EventEmitter {}

const myEmitter = new MyEmitter();
myEmitter.on('event', () => {
  console.log('an event occurred!');
});
myEmitter.emit('event');

event node.js

import { EventEmitter } from "node:events";
/**
 * add "type":"module" in package.json
 */

class MyEmitter extends EventEmitter {}

const myEvent = new MyEmitter();

myEvent.on("event", () => {
  console.log("an event occurred!");
});

myEvent.emit("event");