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Welcome to the Javascript MCQs Page

Dive deep into the fascinating world of Javascript with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Javascript, a crucial aspect of Web Technologies. In this section, you will encounter a diverse range of MCQs that cover various aspects of Javascript, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Web Technologies.

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Check out the MCQs below to embark on an enriching journey through Javascript. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Web Technologies.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Javascript. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Javascript MCQs | Page 1 of 11

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Q1.
Which of the following is correct about JavaScript?

a.

JavaScript is a lightweight, interpreted programming language.

b.

JavaScript has object-oriented capabilities that allows you to build interactivity into otherwise static HTML pages.

c.

The general-purpose core of the language has been embedded in Netscape, Internet Explorer, and other web browsers.

d.

All of the above.

Discuss
Answer: (d).All of the above.
Q2.
Which of the following is the correct syntax to print a page using JavaScript?

a.

window.print();

b.

browser.print();

c.

navigator.print();

d.

document.print();

Discuss
Answer: (a).window.print();
Q3.
Which of the following type of variable is visible only within a function where it is defined?

a.

global variable

b.

local variable

c.

Both of the above.

d.

None of the above.

Discuss
Answer: (b).local variable
Q4.
Which built-in method returns the calling string value converted to upper case?

a.

toUpperCase()

b.

toUpper()

c.

changeCase(case)

d.

None of the above.

Discuss
Answer: (a).toUpperCase()
Q5.
Which of the following function of Number object returns the number's value?

a.

toString()

b.

valueOf()

c.

toLocaleString()

d.

toPrecision()

Discuss
Answer: (b).valueOf()
Q6.
Which of the following function of String object returns the index within the calling String object of the first occurrence of the specified value?

a.

substr()

b.

search()

c.

lastIndexOf()

d.

indexOf()

Discuss
Answer: (d).indexOf()
Q7.
Which of the following function of String object creates an HTML anchor that is used as a hypertext target?

a.

anchor()

b.

link()

c.

blink()

d.

big()

Discuss
Answer: (a).anchor()
Q8.
Which of the following function of String object causes a string to be displayed as struck-out text, as if it were in a strike tag?

a.

sup()

b.

small()

c.

strike()

d.

sub()

Discuss
Answer: (c).strike()
Q9.
Which of the following is true about variable naming conventions in JavaScript?

a.

You should not use any of the JavaScript reserved keyword as variable name.

b.

JavaScript variable names should not start with a numeral (0-9).

c.

Both of the above.

d.

None of the above.

Discuss
Answer: (c).Both of the above.
Q10.
Which of the following is the correct syntax to redirect a url using JavaScript?

a.

document.location='http://www.newlocation.com';

b.

browser.location='http://www.newlocation.com';

c.

navigator.location='http://www.newlocation.com';

d.

window.location='http://www.newlocation.com';

Discuss
Answer: (d).window.location='http://www.newlocation.com';
Page 1 of 11

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