Nodejs event

Node js event emitter

const EventEmitter = require('events');

class MyEmitter extends EventEmitter {
  foo() {
    this.emit('test');
  }
}
const myEmitter = new MyEmitter();
myEmitter.on('test', () => console.log('Yay, it works!'));

myEmitter.foo();	// Yay it works!

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');

Source: nodejs.org

Similar codes

0 vote191 views1 answer
Query mongodb - nodejs
Javascript Node.js
3 votes136 views1 answer
Ec2 yum nodejs
Javascript Node.js
1 vote126 views1 answer
Nodejs does every worker thread need a new core
Javascript Node.js
0 vote130 views1 answer
How to generate a random salt in nodejs
Javascript Node.js
12 votes132 views4 answers
Nodejs string to base64
Javascript Node.js
62 votes244 views6 answers
Update nodejs ubuntu
Javascript Node.js
0 vote135 views1 answer
Random integer in nodejs
Javascript Node.js
0 vote144 views1 answer
Nodejs current timestamp unix
Javascript Node.js
0 vote137 views2 answers
Nodejs redirect to url
Javascript Node.js
0 vote118 views1 answer
Retrieve domain from email address node js
Javascript Node.js