JavaScript Quiz for beginners or advanced

JavaScript Questions for beginners or advanced

JavaScript Interview for beginners or advanced

1. Inside which HTML element do we put the JavaScript?

2. What is the correct JavaScript syntax to change the content of the HTML element below?

3. Where is the correct place to insert a JavaScript?

4. What is the correct syntax for referring to an external script called “xxx.js”?

5. The external JavaScript file must contain the script tag

6. How do you write “Hello World” in an alert box?

7. How do you create a function in JavaScript?

8. How do you call a function named “myFunction”?

9. How to write an IF statement in JavaScript?

10. How to write an IF statement for executing some code if “i” is NOT equal to 5?

11. How does a WHILE loop start?

12. How does a FOR loop start?

13. How can you add a comment in a JavaScript?

14. How to insert a comment that has more than one line?

15. What is the correct way to write a JavaScript array?

16. How do you round the number 7.25, to the nearest integer?

17. How do you find the number with the highest value of x and y?

18. What is the correct JavaScript syntax for opening a new window called “w2” ?

19. JavaScript is the same as Java.

20. How can you detect the client’s browser name?

21. Which event occurs when the user clicks on an HTML element?

22. How do you declare a JavaScript variable?

23. Which operator is used to assign a value to a variable?

24. What will the following code return: Boolean(10 > 9)

25. Is JavaScript case-sensitive?