Learn JavaScript MCQ Questions with answers and solutions.

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Q. When we can’t trigger JavaScript from an event handler?

(A) when another event is still being processed
(B) when Javascript is disabled
(C) when the page uses CSS styles
(D) when it runs locally rather than on the Web

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Q. Which of the following is the minimum browser version that supports JavaScript?

(A) Browser V1.0
(B) Mozilla V1.5
(C) IE 2.0
(D) Browser v2.0

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Q. You are working on a JavaScript project. Which of the following statements correctly describes the relationship between JavaScript and “objects”?

(A) JavaScript is object oriented
(B) JavaScript is object-based
(C) JavaScript is not an object oriented
(D) JavaScript has no relation to objects

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Q. You are working on a JavaScript project. How do I request inputs from the user?

(A) Alert()
(B) Display()
(C) Prompt()
(D) Confirm()

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Q. You are a junior web designer. Your company assigns you to work on a JavaScript project. What are the benefits of using JavaScript for form validation?

(A) Increase end-user satisfaction
(B) Increase the validity of form submission
(C) Conservation of bandwidth
(D) All the answers are true

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Q. Your company assigns you to work on a JavaScript project. With the DATE object, which of the following allows you to call a function based on the elapsed time?

(A) setElapsedTime()
(B) Timeout()
(C) setTimeout()
(D) setTime()

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Q. In which HTML tag do we put the JavaScript code?

(A) The js tag
(B) The javascript tag
(C) The script tag
(D) The rel tag

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Q. How to call a function named “sum”?

(A) sum()
(B) call function sum()
(C) call sum()
(D) None of the above

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Q. What is the correct syntax for referring to an external script called “myscript.js”?

(A) <script href="myscript.js">
(B) <script name="myscript.js">
(C) <script src="myscript.js">
(D) All the answers are true

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Q. The external JavaScript file must contain the <script> tag?.

(A) True
(B) False
(C) ---
(D) ---

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JavaScript MCQs with answers Page - 58

Q. When we can’t trigger JavaScript from an event handler?

Q. Which of the following is the minimum browser version that supports JavaScript?

Q. You are working on a JavaScript project. Which of the following statements correctly describes the relationship between JavaScript and “objects”?

Q. You are working on a JavaScript project. How do I request inputs from the user?

Q. You are a junior web designer. Your company assigns you to work on a JavaScript project. What are the benefits of using JavaScript for form validation?

Q. Your company assigns you to work on a JavaScript project. With the DATE object, which of the following allows you to call a function based on the elapsed time?

Q. In which HTML tag do we put the JavaScript code?

Q. How to call a function named “sum”?

Q. What is the correct syntax for referring to an external script called “myscript.js”?

Q. The external JavaScript file must contain the <script> tag?.

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