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 are variables used for in JavaScript Programs?

Answer

Causing high-school algebra flashbacks

Answer

None of the above

Answer

Varying randomly

Answer

Storing numbers, dates, or other values

Question 2

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

Answer

None of the above

Question 3

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

Answer

None of the above

Answer

The number of milliseconds since January 1st, 1970

Answer

The number of days since January 1st, 1900

Answer

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

Question 4

4. Why so JavaScript and Java have similar name?

Answer

JavaScript's syntax is loosely based on Java's

Answer

They both originated on the island of Java

Answer

None of the above

Answer

JavaScript is a stripped-down version of Java

Question 5

5. Consider the following code snippet

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

What does the above code do?

Answer

Sort in reverse alphabetical order

Answer

Sort in reverse numerical order

Answer

Sort in the chronological order

Answer

Sort in the alphabetical order

Question 6

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

Answer

Return a value

Answer

None of the above

Answer

Accept parameters

Answer

Accept parameters and Return a value

Question 7

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

Answer

instanceof

Question 8

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

Question 9

11. When a user views a page containing a JavaScript program, which machine actually executes the script?

Answer

The Web server

Answer

None of the above

Answer

The User's machine running a Web browser

Answer

A central machine deep within Netscape's corporate offices

Question 10

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

Answer

None of the above

Question 11

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

Question 12

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

Question 13

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

Answer

Server-side

Answer

Client-side

Question 14

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

Answer

None of the above

Answer

Validating a form

Answer

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

Answer

Sending a form's contents by email

Question 15

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

Answer

None of the above

Answer

The

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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.
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JavaScript Mcqs Test Online