30 JavaScript Questions Quiz 0% 1 Report a question Table of Contents ToggleReport a questionLike this: What's wrong with this question? You cannot submit an empty report. Please add some details. O0ps! Times Up! JavaScript (JS) Java Script Questions For Beginners Check Your ability! Click on Start Button, Now!! Login Here. NameEmail 1 / 30 Category: Easy Level 1. Which data type is NOT primitive in JavaScript? a. String b. Number c. Boolean d. Object 2 / 30 Category: Easy Level 2. Which method adds an element at the end of an array? a. pop() b. push() c. shift() d. unshift() 3 / 30 Category: Easy Level 3. Which keyword is used to declare a variable? a. var b. let c. const d. all of these 4 / 30 Category: Easy Level 4. What does JS stand for? a. Java Source b. JavaScript c. Just Script d. Java Syntax 5 / 30 Category: Easy Level 5. Which object represents HTML document? a. window b. html c. document d. body 6 / 30 Category: Easy Level 6. Which keyword stops loop execution? a. exit b. break c. stop d. end 7 / 30 Category: Easy Level 7. Which method removes first array element? a. pop() b. shift() c. unshift() d. slice() 8 / 30 Category: Easy Level 8. Which keyword is used for conditional statement? a. if b. else c. else if d. all of these 9 / 30 Category: Easy Level 9. Which symbol is used for single-line comments? a. <!-- --> b. // c. /* */ d. # 10 / 30 Category: Easy Level 10. Which symbol is used for multi-line comments? a. // b. # c. /* */ d. <!-- --> 11 / 30 Category: Easy Level 11. Which keyword skips current iteration? a. pass b. skip c. continue d. next 12 / 30 Category: Easy Level 12. Which method adds element at the beginning of an array? a. push() b. pop() c. shift() d. unshift() 13 / 30 Category: Easy Level 13. Which loop runs at least once? a. for b. while c. do...while d. foreach 14 / 30 Category: Easy Level 14. Which method selects element by ID? a. getElement() b. getElementById() c. getId() d. selectId() 15 / 30 Category: Easy Level 15. Which object represents the browser window? a. document b. screen c. window d. navigator 16 / 30 Category: Easy Level 16. Which method removes last array element? a. push() b. shift() c. pop() d. remove() 17 / 30 Category: Easy Level 17. Which method displays an alert box? a. alert() b. msg() c. popup() d. box() 18 / 30 Category: Easy Level 18. Which operator checks value and type? a. == b. = c. === d. != 19 / 30 Category: Easy Level 19. Which attribute specifies the JavaScript file? a. link b. src c. href d. file 20 / 30 Category: Easy Level 20. What will typeof null return? a. null b. object c. undefined d. number 21 / 30 Category: Easy Level 21. Which JavaScript method is used to display output? a. print() b. console.log() c. display() d. write() 22 / 30 Category: Easy Level 22. Which method selects elements by class name? a. getClass() b. getElementsByClassName() c. getClassName() d. selectClass() 23 / 30 Category: Easy Level 23. <script> tag is not used to include JavaScript in HTML? a. True b. False 24 / 30 Category: Easy Level 24. Which operator is used for equality check (value only)? a. = b. == c. === d. != 25 / 30 Category: Easy Level 25. Which function executes when a button is clicked? a. click() b. onClick() c. onclick d. mouseclick() 26 / 30 Category: Easy Level 26. Which function converts string to number? a. toNumber() b. parseInt() c. convert() d. stringToInt() 27 / 30 Category: Easy Level 27. Which keyword declares a constant? a. var b. let c. const d. constant 28 / 30 Category: Easy Level 28. Which method joins array elements? a. concat() b. join() c. merge() d. connect() 29 / 30 Category: Easy Level 29. Which loop is used to iterate arrays? a. for b. while c. forEach() d. all of these 30 / 30 Category: Easy Level 30. Which event occurs when page loads? a. onload b. onclick c. onready d. onopen Your score is 0% Restart quiz Rate Us! Thank You for Rating Us! Send feedback Like this:Like Loading...Share post Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Read more articles Next PostJS Quiz (Easy Level) Prajjwal Singh Tech Blogger || Web developer || Computer Networking Enthusiast || Microsoft SQL Database Management Expert || Software Debugger || Learned DOS OS Structure You Might Also Like JS Quiz (Easy Level) January 2, 2026 Leave a ReplyCancel reply
