JavaScript Mcqs Test Online

Maan AliLast Updated: October 10, 2025

JavaScript Mcqs Test

Total Questions:	25
Time Allowed:	10 Minutes
Total Marks:	25
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	Computer Test Competitive exam Forces test Fpsc Entry test Recruitment test

JavaScript Mcqs Test Practice Online

Page 1 of 1

1. JavaScript variables are case-sensitive?

True

False

2. What should appear at the very end of your JavaScript?
The <script LANGUAGE="JavaScript">tag

The

None of the above

The END statement

3. The __ operator determines whether an object is an instance of another object?

typeof

instanceof

void

delete

4. Which of the following are capabilities of functions in JavaScript?

Accept parameters and Return a value

Accept parameters

Return a value

None of the above

5. Which is the correct order of precedence of Arithmetic operators?

+*-/

*/+-

+/*-

+-*/

6. How does JavaScript store dates in a date object?

The number of milliseconds since January 1st, 1970

The number of days since January 1st, 1900

None of the above

The number of seconds since Netscape's public stock offering.

7. Consider the following code snippet

data.sort(function(a,b),b-a);

What does the above code do?

Sort in the alphabetical order

Sort in reverse numerical order

Sort in the chronological order

Sort in reverse alphabetical order

8. Consider the following code snippet

let succ = function(x) x+1, yes = function() true, no = function() false;

What convenience does the above code snippet provide?

No convenience

Functional behaviour

Shorthand expression

Modular behaviour

9. What is the correct JavaScript syntax to write "Hello World"?

println ("Hello World")

response.write("Hello World")

document.write("Hello World")

System.out.println("Hello World")

10. Which of the following way can be used to indicate the LANGUAGE attribute?

11. Which of the following attribute can hold the JavaScript version?

None of the above

LANGUAGE

SCRIPT

VERSION

12. What is the code to be used to trim whitespaces ?

let trimmed = (trim(l));

let trimmed = for(l in lines));

let trimmed = (l.trim() for (l in lines));

let trimmed = l.trim();

13. _____ JavaScript statements embedded in an HTML page can respond to user events such as mouse-clicks, form input, and page navigation?

Local

Server-side

Client-side

Native

14. Which of the following is not a valid JavaScript variable name?

2names

_first_and_last_names

FirstAndLast

None of the above

15. Which of the following is not a valid JavaScript variable name?

myvalue

None of the above

5myvalue

myvalue5

16. ______ tag is an extension to HTML that can enclose any number of JavaScript statements?

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Maan AliLast Updated: October 10, 2025

JavaScript Mcqs Test Online

JavaScript Mcqs Test

JavaScript Mcqs Test Practice Online

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