JavaScript MCQs with answers Page - 33

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

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Q. Original Name of Javascript is

  • (A) Mocha
  • (B) LiveScript
  • (C) Escript
  • (D) Javascript

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Q. What is the output?

Code: 
int a==2;
int b=4;
int ans=a+b;
print(ans);
  • (A) 2
  • (B) 6
  • (C) error
  • (D) 0

A

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Q. What are the types of Pop up boxes available in JavaScript?

  • (A) Prompt
  • (B) Alert
  • (C) Confirm
  • (D) All of the above

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Q. Javascript is which type of language

  • (A) Interpreted
  • (B) Compiled
  • (C) NA
  • (D) NA

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Q. Javascript is ideal to

  • (A) increase the download time for the client
  • (B) minimize storage requirements on the web server
  • (C) make computations in HTML simpler
  • (D) None of the above

A

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Q. A function definition expression is known as

  • (A) Function calls
  • (B) Function definiation
  • (C) Function calling
  • (D) Function literal

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Q. What kind of expression is “new Point(2,3)”?

  • (A) Constructor Calling Expression
  • (B) Invocation Expression
  • (C) Object Creation Expression
  • (D) Primary Expression

A

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Q. functional components in JavaScript are

  • (A) Fixed-class functions
  • (B) First-class functions
  • (C) Both A and B
  • (D) None of the above

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Q. Which of the following is the correct syntax to display “Tanmay” in an alert box using JavaScript?

  • (A) alertbox("Tanmay");
  • (B) message("Tanmay");
  • (C) alert(“Tanmay”);
  • (D) All of the above

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