What are the use cases for EventEmitter?

What are the use cases for EventEmitter in Node.js?

EventEmitter is used for handling asynchronous events, like user interactions or data streams.

Can you give me an example of how to use EventEmitter?

Sure! You can create an EventEmitter instance and use it to emit and listen for events, like this:

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

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

myEmitter.emit('event');

What are some real-world applications of EventEmitter?

Real-world applications include handling user input in web apps, managing notifications, and processing data streams.

Are there any alternatives to EventEmitter?

Yes, alternatives include using Promises, Observables (like RxJS), or even custom event handling implementations.