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 method selects element by ID? a. getElement() b. getElementById() c. getId() d. selectId() 2 / 30 Category: Easy Level 2. Which object represents the browser window? a. document b. screen c. window d. navigator 3 / 30 Category: Easy Level 3. Which keyword declares a constant? a. var b. let c. const d. constant 4 / 30 Category: Easy Level 4. Which JavaScript method is used to display output? a. print() b. console.log() c. display() d. write() 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 attribute specifies the JavaScript file? a. link b. src c. href d. file 7 / 30 Category: Easy Level 7. Which operator is used for equality check (value only)? a. = b. == c. === d. != 8 / 30 Category: Easy Level 8. Which method displays an alert box? a. alert() b. msg() c. popup() d. box() 9 / 30 Category: Easy Level 9. What does JS stand for? a. Java Source b. JavaScript c. Just Script d. Java Syntax 10 / 30 Category: Easy Level 10. Which keyword stops loop execution? a. exit b. break c. stop d. end 11 / 30 Category: Easy Level 11. <script> tag is not used to include JavaScript in HTML? a. True b. False 12 / 30 Category: Easy Level 12. Which event occurs when page loads? a. onload b. onclick c. onready d. onopen 13 / 30 Category: Easy Level 13. Which method removes last array element? a. push() b. shift() c. pop() d. remove() 14 / 30 Category: Easy Level 14. Which method adds an element at the end of an array? a. pop() b. push() c. shift() d. unshift() 15 / 30 Category: Easy Level 15. Which symbol is used for multi-line comments? a. // b. # c. /* */ d. <!-- --> 16 / 30 Category: Easy Level 16. Which method joins array elements? a. concat() b. join() c. merge() d. connect() 17 / 30 Category: Easy Level 17. Which function executes when a button is clicked? a. click() b. onClick() c. onclick d. mouseclick() 18 / 30 Category: Easy Level 18. Which loop runs at least once? a. for b. while c. do...while d. foreach 19 / 30 Category: Easy Level 19. Which function converts string to number? a. toNumber() b. parseInt() c. convert() d. stringToInt() 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. What will typeof null return? a. null b. object c. undefined d. number 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. Which keyword skips current iteration? a. pass b. skip c. continue d. next 24 / 30 Category: Easy Level 24. Which operator checks value and type? a. == b. = c. === d. != 25 / 30 Category: Easy Level 25. Which method adds element at the beginning of an array? a. push() b. pop() c. shift() d. unshift() 26 / 30 Category: Easy Level 26. Which keyword is used to declare a variable? a. var b. let c. const d. all of these 27 / 30 Category: Easy Level 27. Which loop is used to iterate arrays? a. for b. while c. forEach() d. all of these 28 / 30 Category: Easy Level 28. Which method removes first array element? a. pop() b. shift() c. unshift() d. slice() 29 / 30 Category: Easy Level 29. Which symbol is used for single-line comments? a. <!-- --> b. // c. /* */ d. # 30 / 30 Category: Easy Level 30. Which keyword is used for conditional statement? a. if b. else c. else if d. all of these 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