Node.js quiz

Test your Node.js knowledge with a free interactive quiz — 48 questions with answers and explanations. No signup needed to play.

What is an EventEmitter in Node.js?

1. What is an EventEmitter in Node.js?
2. What is `async/await` in Node.js?
3. What is middleware in the context of Express.js?
4. What is `nodemon` used for?
5. What is `Buffer` in Node.js?
6. What does `require()` do in CommonJS?
7. What is `__dirname` in Node.js?
8. What is `process.env`?
9. What is the `http` module in Node.js?
10. What is the difference between `require()` and ES modules `import`?
11. What is the event loop in Node.js?
12. What is the `path` module used for?

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