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Top JavaScript Questions and Answers for Exam Preparation

Explore top JavaScript questions and answers to boost your exam preparation and enhance your understanding of key concepts.

JavaScript Questions

Q. Which operator checks both value and type?

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Q. What does setTimeout do?

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Q. Which function parses a string to an integer?

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Q. What is console.log(2 + ‘2’)?

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Q. Which method removes the last array element?

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Q. What does ‘this’ refer to?

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Q. What is the correct way to write a JavaScript array?

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Q. Which event triggers on a click?

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Q. What is the output of console.log(typeof null)?

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Q. Which method adds an element to an array’s end?

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