Total of 4 rounds.

The first one was MCQ. The second was a skills interview. The third was a managerial round. The fourth was an HR round.

All 4 rounds were via Skype with video.

Great interview experience. The HR/Recruiter asked me standard questions regarding my experience. All were very well-informed and very friendly.

1. Prototypal inheritance vs inheritance

2. Scoping (Multiple trick questions, scope chain)

3. Closure

4. Apply and Bind

5. Event Loop

6. Callback (asynchronous concepts in Javascript), Async, await

7. Promise

8. ES6 (Arrow function, Classes, Object literals, Spread and Rest, destructuring)

9. Difference between map and set

10. Hoisting (let/var/const)

11. What is prototype

12. What's new in HTML5 compared to HTML?

13. A few questions on canvas, header, nav.

14. What are semantic elements in HTML?

15. Name new form elements you used in HTML5.

16. Difference between external/internal/inline CSS.

17. How to make a page responsive using just CSS.

18. Difference between block and inline-block.

19. About the position property, when to use what value.

20. What's a pseudo-class?

21. Flexbox.