JavaScript Mcqs Test Online

Q: How can I prepare for JavaScript Mcqs Test Online?

You can prepare for JavaScript Mcqs Test Online by attempting the free online quizzes at Gotest.com.pk. We provide instant results, performance reports, and detailed explanations for every question.

Question 1

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

Answer

let trimmed = (trim(l));

Answer

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

Answer

let trimmed = for(l in lines));

Answer

let trimmed = l.trim();

Question 2

2. Why so JavaScript and Java have similar name?

Answer

None of the above

Answer

JavaScript is a stripped-down version of Java

Answer

They both originated on the island of Java

Answer

JavaScript's syntax is loosely based on Java's

Question 3

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

Question 4

4. What are variables used for in JavaScript Programs?

Answer

Storing numbers, dates, or other values

Answer

Causing high-school algebra flashbacks

Answer

None of the above

Answer

Varying randomly

Question 5

5. __________ JavaScript is also called server-side JavaScript?

Question 6

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

Answer

Client-side

Answer

Server-side

Question 7

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

Answer

document.write("Hello World")

Answer

System.out.println("Hello World")

Answer

response.write("Hello World")

Answer

println ("Hello World")

Question 8

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

Answer

The number of days since January 1st, 1900

Answer

None of the above

Answer

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

Answer

The number of milliseconds since January 1st, 1970

Question 9

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

Answer

None of the above

Question 10

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

Answer

None of the above

Question 11

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

Answer

None of the above

Question 12

20. Which of the following can't be done with client-side JavaScript?

Answer

Validating a form

Answer

Sending a form's contents by email

Answer

Storing the form's contents to a database file on the server

Answer

None of the above

Question 13

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

Answer

None of the above

Answer

Accept parameters

Answer

Accept parameters and Return a value

Answer

Return a value

Question 14

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

Answer

instanceof

Question 15

23. ______ JavaScript is also called client-side JavaScript?

Question 16

24. 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?

Answer

Modular behaviour

Answer

No convenience

Answer

Functional behaviour

Answer

Shorthand expression

Question 17

25. JavaScript variables are case-sensitive?

Question 18

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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 Online

JavaScript Mcqs Test

JavaScript Mcqs Test Practice Online

Study Plan for JavaScript Mcqs Test Online

How to Use GoTest for Preparation:

Maan Ali

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JavaScript Mcqs Test

JavaScript Mcqs Test Practice Online

Study Plan for JavaScript Mcqs Test Online

How to Use GoTest for Preparation:

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Maan Ali

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