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