30 JavaScript Questions Quiz 0% 1 Report a question 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 keyword stops loop execution? a. exit b. break c. stop d. end 2 / 30 Category: Easy Level 2. <script> tag is not used to include JavaScript in HTML? a. True b. False 3 / 30 Category: Easy Level 3. What will typeof null return? a. null b. object c. undefined d. number 4 / 30 Category: Easy Level 4. Which keyword is used to declare a variable? a. var b. let c. const d. all of these 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. Which method displays an alert box? a. alert() b. msg() c. popup() d. box() 7 / 30 Category: Easy Level 7. Which loop is used to iterate arrays? a. for b. while c. forEach() d. all of these 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 attribute specifies the JavaScript file? a. link b. src c. href d. file 10 / 30 Category: Easy Level 10. Which method removes first array element? a. pop() b. shift() c. unshift() d. slice() 11 / 30 Category: Easy Level 11. Which operator checks value and type? a. == b. = c. === d. != 12 / 30 Category: Easy Level 12. Which loop runs at least once? a. for b. while c. do...while d. foreach 13 / 30 Category: Easy Level 13. Which keyword is used for conditional statement? a. if b. else c. else if d. all of these 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 data type is NOT primitive in JavaScript? a. String b. Number c. Boolean d. Object 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 object represents HTML document? a. window b. html c. document d. body 18 / 30 Category: Easy Level 18. Which operator is used for equality check (value only)? a. = b. == c. === d. != 19 / 30 Category: Easy Level 19. What does JS stand for? a. Java Source b. JavaScript c. Just Script d. Java Syntax 20 / 30 Category: Easy Level 20. Which method adds element at the beginning of an array? a. push() b. pop() c. shift() d. unshift() 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 event occurs when page loads? a. onload b. onclick c. onready d. onopen 23 / 30 Category: Easy Level 23. Which function executes when a button is clicked? a. click() b. onClick() c. onclick d. mouseclick() 24 / 30 Category: Easy Level 24. Which keyword declares a constant? a. var b. let c. const d. constant 25 / 30 Category: Easy Level 25. Which method removes last array element? a. push() b. shift() c. pop() d. remove() 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 method adds an element at the end of an array? a. pop() b. push() c. shift() d. unshift() 28 / 30 Category: Easy Level 28. Which JavaScript method is used to display output? a. print() b. console.log() c. display() d. write() 29 / 30 Category: Easy Level 29. Which symbol is used for multi-line comments? a. // b. # c. /* */ d. <!-- --> 30 / 30 Category: Easy Level 30. Which symbol is used for single-line comments? a. <!-- --> b. // c. /* */ d. # 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 30 Days JavaScript Assignments for Beginners: Easy to Hard Practice Series | BittuTech May 17, 2026 JS Quiz (Easy Level) January 2, 2026 Leave a ReplyCancel reply
