30 JavaScript Questions Quiz 0% 1 Report a question Table of Contents ToggleReport a questionLike this:Related 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 event occurs when page loads? a. onload b. onclick c. onready d. onopen 2 / 30 Category: Easy Level 2. Which keyword declares a constant? a. var b. let c. const d. constant 3 / 30 Category: Easy Level 3. Which attribute specifies the JavaScript file? a. link b. src c. href d. file 4 / 30 Category: Easy Level 4. Which method selects element by ID? a. getElement() b. getElementById() c. getId() d. selectId() 5 / 30 Category: Easy Level 5. Which function converts string to number? a. toNumber() b. parseInt() c. convert() d. stringToInt() 6 / 30 Category: Easy Level 6. What does JS stand for? a. Java Source b. JavaScript c. Just Script d. Java Syntax 7 / 30 Category: Easy Level 7. Which method removes last array element? a. push() b. shift() c. pop() d. remove() 8 / 30 Category: Easy Level 8. Which method selects elements by class name? a. getClass() b. getElementsByClassName() c. getClassName() d. selectClass() 9 / 30 Category: Easy Level 9. Which keyword is used for conditional statement? a. if b. else c. else if d. all of these 10 / 30 Category: Easy Level 10. What will typeof null return? a. null b. object c. undefined d. number 11 / 30 Category: Easy Level 11. Which operator is used for equality check (value only)? a. = b. == c. === d. != 12 / 30 Category: Easy Level 12. Which method displays an alert box? a. alert() b. msg() c. popup() d. box() 13 / 30 Category: Easy Level 13. Which method adds element at the beginning of an array? a. push() b. pop() c. shift() d. unshift() 14 / 30 Category: Easy Level 14. Which object represents HTML document? a. window b. html c. document d. body 15 / 30 Category: Easy Level 15. Which method removes first array element? a. pop() b. shift() c. unshift() d. slice() 16 / 30 Category: Easy Level 16. Which keyword stops loop execution? a. exit b. break c. stop d. end 17 / 30 Category: Easy Level 17. Which method joins array elements? a. concat() b. join() c. merge() d. connect() 18 / 30 Category: Easy Level 18. Which JavaScript method is used to display output? a. print() b. console.log() c. display() d. write() 19 / 30 Category: Easy Level 19. <script> tag is not used to include JavaScript in HTML? a. True b. False 20 / 30 Category: Easy Level 20. Which data type is NOT primitive in JavaScript? a. String b. Number c. Boolean d. Object 21 / 30 Category: Easy Level 21. Which object represents the browser window? a. document b. screen c. window d. navigator 22 / 30 Category: Easy Level 22. Which loop is used to iterate arrays? a. for b. while c. forEach() d. all of these 23 / 30 Category: Easy Level 23. Which keyword is used to declare a variable? a. var b. let c. const d. all of these 24 / 30 Category: Easy Level 24. Which symbol is used for multi-line comments? a. // b. # c. /* */ d. <!-- --> 25 / 30 Category: Easy Level 25. Which loop runs at least once? a. for b. while c. do...while d. foreach 26 / 30 Category: Easy Level 26. Which keyword skips current iteration? a. pass b. skip c. continue d. next 27 / 30 Category: Easy Level 27. Which operator checks value and type? a. == b. = c. === d. != 28 / 30 Category: Easy Level 28. Which symbol is used for single-line comments? a. <!-- --> b. // c. /* */ d. # 29 / 30 Category: Easy Level 29. Which method adds an element at the end of an array? a. pop() b. push() c. shift() d. unshift() 30 / 30 Category: Easy Level 30. Which function executes when a button is clicked? a. click() b. onClick() c. onclick d. mouseclick() Your score is 0% Restart quiz Rate Us! Thank You for Rating Us! Send feedback Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Like this:Like Loading... Related 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
