Total Questions : 20
Expected Time : 20 Minutes

1. In web development, what does the acronym CDN stand for?

2. What is the purpose of the 'SQL' language in web development?

3. What is the 'Event Loop' in JavaScript?

4. Which of the following is a valid JavaScript data type?

5. What is the purpose of the 'alt' attribute in an HTML image tag?

6. Which of the following is a block-level element in HTML?

7. What is the purpose of a CSS framework?

8. Which of the following is a valid CSS pseudo-class?

9. In web development, what is the purpose of the 'viewport' meta tag?

10. How can you check if an element has a specific class in JavaScript?

11. What does CSS primarily define?

12. What is the purpose of the 'document' object in JavaScript?

13. What is the purpose of the 'localStorage' object in web development?

14. What does the 'z-index' property control in CSS?

15. Which HTML tag is used to create a hyperlink?

16. In JavaScript, what is the purpose of the 'forEach' method?

17. In CSS, what is the purpose of the 'flexbox' layout?

18. In JavaScript, what is a closure?

19. What is the purpose of the 'spread operator (...) in JavaScript?

20. What is the purpose of the 'Observer' pattern in web development?