12th Grade JavaScript Quizzes , Questions & Answers

Recent JavaScript Quizzes

Computer Programming: Are You Ready To Take The JAVASCRIPT Quiz!

Dive into JavaScript with this engaging quiz! Test your skills on object manipulation, string operations, understanding of data types, and the unique use of Symbols in JavaScript. Perfect for learners looking to validate their...

Questions: 11 | Attempts: 413 | Last updated: Mar 22, 2025

Sample Question
Detect the console value of the following line of code. function Foo(a,b,c){ this.x = a; this.y = b; this.z = c; } var m = Foo(3,4,5); var k = {}; Foo.call(k,3,4,5); console.log(k); console.log(m);

{}, {}

{3,4,5}, {}

{3,4,5}, {3,4,5}

{3,4,5}, undefined

JAVASCRIPT: Closures And Statements Trivia Quiz

Dive into the intricacies of JavaScript with this trivia quiz focusing on closures and statement usage. Test your understanding of variable scoping, the behavior of closures, and compare JavaScript's features with other languages...

Questions: 11 | Attempts: 239 | Last updated: Oct 22, 2025

Sample Question
Unlike a method a closure can only take one parameter.

True

False

JAVASCRIPT Practical & Ecommerce Quiz By Prof. Abhijeetsinh Jadeja

It is exploring about some practical concept of javascript and some of the topic of E-commerce.... best of luck by Prof. Abhijeetsinh Jadeja ( KSV university , Gandhinagar , Gujarat )

Questions: 25 | Attempts: 381 | Last updated: Mar 21, 2025

Sample Question
var value = Math.pow(0, 10); document.write("<br />Fourth Test Value : " + value ); Type question here

Fourth Test Value : 0

Fourth Test Value : 1

Fourth Test Value : 10

None of above

Quiz Of JAVASCRIPT For The Students For Academic Degree

This quiz give the over view of javascirpt for the students for academic degree like BCA , MCA , Msc-IT , MSC CS , PGDCA as well as private course running regarding IT... WISH U ALL THE VERY BEST

Questions: 16 | Attempts: 1088 | Last updated: Mar 22, 2025

Sample Question
How can we starts Javascript ?

Script tag

Javascript tag

Language tag

None of above

Trivia On JAVASCRIPT: Mcq Quiz

This JavaScript MCQ quiz tests knowledge on various aspects of JavaScript coding, including function context, event handling, and prototype chains. It assesses understanding of how 'this' keyword behaves in different scenarios,...

Questions: 8 | Attempts: 561 | Last updated: Mar 22, 2025

Sample Question
What does the below line do considering it as the first line in your javascript file (function(){alert(this)})();

Nothing happens

I will see an error

I will see an alert with undefined value

I will see an alert with null value

I will see an alert with not null value

JAVASCRIPT Test: Gk Quiz! Trivia

JavaScript is a programming language that enables you to carry out complex items on web pages. It's a scripting language that helps create rich, updated content, including multimedia, animated images, graphics, etc....

Questions: 11 | Attempts: 8346 | Last updated: Apr 3, 2025

Sample Question
JavaScript File Has An Extension of:

.Java

.Js

.javascript

.xml

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