JavaScript MCQs with answers Page - 60

Here, you will find a collection of MCQ questions on JavaScript. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 833K Points
Coach

Q. Which of these parameters is not valid?

  • (A) text
  • (B) a variable
  • (C) an operator
  • (D) a number

A

Admin • 833K Points
Coach

Q. If str = "VWXYZ", what returns str.charAt(3)?

  • (A) X
  • (B) Y
  • (C) Z
  • (D) False

A

Admin • 833K Points
Coach

Q. The following statement A ? B : C is equivalent to ______?

  • (A) if (A) {B; C}
  • (B) if (A != B) C
  • (C) if (A == B) C
  • (D) if (A) {B} else {C}

A

Admin • 833K Points
Coach

Q. Which one is not a comparison operator?

  • (A) <
  • (B) >
  • (C) =
  • (D) !=

A

Admin • 833K Points
Coach

Q. Which event is specific to the keyboard?

  • (A) onkeypress
  • (B) onkeydown
  • (C) onclick
  • (D) onfocus

A

Admin • 833K Points
Coach

Q. Which of the following functions is a valid type of function that javascript supports?

  • (A) named function
  • (B) anonymous function
  • (C) Both A and B are true.
  • (D) None of the above

A

Admin • 833K Points
Coach

Q. Which method returns the character at the specified index?

  • (A) characterAt()
  • (B) getCharAt()
  • (C) charAt()
  • (D) None of the above

A

Admin • 833K Points
Coach

Q. Which of the following is not a mouse event?

  • (A) onmousescroller
  • (B) onclick
  • (C) onmouseover
  • (D) onmousemove

A

Admin • 833K Points
Coach

Q. The opposite of onmouseover is_____?

  • (A) onmouseoff
  • (B) onmouseout
  • (C) onmouseunder
  • (D) onnotmouseover

A

Admin • 833K Points
Coach

Q. How to know the number of elements of a form?

  • (A) document.myform.elements.count
  • (B) document.myform.length
  • (C) document.myform.count
  • (D) document.myform.elements.length

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.