What are some examples of event emitters in JavaScript?

What are some examples of event emitters in JavaScript?

Event emitters in JavaScript are objects that can emit events and listen for them. A common example is the EventEmitter class in Node.js.

Can you show me a simple code example?

Sure! Here's a basic example:

const EventEmitter = require('events');
const myEmitter = new EventEmitter();

myEmitter.on('event', () => {
  console.log('An event occurred!');
});

myEmitter.emit('event');

What other libraries use event emitters?

Other libraries like Socket.IO and RxJS also utilize event emitters to handle asynchronous events.

How can I create my own event emitter?

You can create your own event emitter by defining a class that manages event listeners and emits events. Would you like a code example?