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Welcome to the Javascript and Jquery Basics MCQs Page

Dive deep into the fascinating world of Javascript and Jquery Basics with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Javascript and Jquery Basics, a crucial aspect of HTML. In this section, you will encounter a diverse range of MCQs that cover various aspects of Javascript and Jquery Basics, 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 HTML.

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

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

Javascript and Jquery Basics MCQs | Page 1 of 6

Explore more Topics under HTML

Q1.
For displaying data in JavaScript, we can’t use ____________

a.

document.write()

b.

console.log()

c.

innerHTML

d.

document.getElementById()

Discuss
Answer: (d).document.getElementById()
Q2.
For testing we should use ________

a.

document.write()

b.

console.log()

c.

window.alert()

d.

innerHTML

Discuss
Answer: (a).document.write()
Q3.
Which of the following keyword stops the execution of JavaScript?

a.

break

b.

return

c.

debugger

d.

try….catch

Discuss
Answer: (c).debugger
Q4.
Arrays in JavaScript are written within ____________

a.

{}

b.

[]

c.

“”

d.

()

Discuss
Answer: (b).[]
Q5.
typeof “null” in JavaScript is _______

a.

number

b.

string

c.

object

d.

undefined

Discuss
Answer: (c).object
Q6.
Negative positions for string do not work in ______________

a.

Internet Explorer 8

b.

Chrome

c.

Safari

d.

Opera

Discuss
Answer: (a).Internet Explorer 8
Q7.
For converting string to array we can use ______________ method.

a.

charAt()

b.

charCodeAt()

c.

split()

d.

toLowerCase()

Discuss
Answer: (c).split()
Q8.
JavaScript numbers are stored as ______________.

a.

integers

b.

double precision floating point

c.

double

d.

floating point

Discuss
Answer: (b).double precision floating point
Q9.
The integers in JavaScript are precise up to ___________.

a.

12 digits

b.

10 digits

c.

23 digits

d.

15 digits

Discuss
Answer: (d).15 digits
Q10.
Typeof “infinity” will return ___________

a.

string

b.

number

c.

object

d.

undefined

Discuss
Answer: (b).number
Page 1 of 6

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