QSet Logo
Public
QS

@qs_by_qset

Created this 6 months ago

JavaScript Interview Questions

Less than 10 submissions

A collection of JavaScript interview questions and answers.

Stop reading

Practice these questions and get feedbacks! It will help you improve your answer.

Ads section

1. What is the purpose of the 'join' method?

2. What is the purpose of the 'includes' method?

3. What is the difference between == and ===?

4. What is the purpose of the 'new' keyword?

5. What is the purpose of the 'pop' method?

6. What is the purpose of the 'this' keyword?

7. What is the purpose of the 'push' method?

8. What is the purpose of the 'sort' method?

9. What is the purpose of the 'unshift' method?

10. What is the difference between var, let, and const?

11. What is the purpose of the 'findIndex' method?

12. What is the purpose of the 'reduce' method?

13. What is the purpose of the 'map' method?

14. What is the purpose of the 'shift' method?

15. What is the purpose of the 'find' method?

16. What is the purpose of the 'splice' method?

17. What is the purpose of the 'fetch' function?

18. What is the purpose of the 'async' and 'await' keywords?

19. What is the purpose of the 'slice' method?

20. What is the purpose of the 'filter' method?