Mocha quiz

Test your Mocha knowledge with a free interactive quiz — 27 questions with answers and explanations. No signup needed to play.

What does the `--require` flag do?

1. What does the `--require` flag do?
2. What is the difference between Mocha's BDD interface (`describe`/`it`) and TDD interface (`suite`/`test`)?
3. What is `mocha.opts` (the legacy config approach) largely replaced by?
4. How do you skip a test?
5. How does Mocha handle a test that returns a Promise?
6. How do you test an asynchronous operation using a callback?
7. What is Mocha's `.mocharc.yml`/`.mocharc.json` used for?
8. How do you run only a specific test or suite while developing?
9. What does `--exit` do?
10. What does the `--timeout` flag (or config option) control?
11. How do you install Mocha and a common assertion library?
12. How do you specify which test files Mocha should run?

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