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 method removes the first array element?

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Q. What is the purpose of setInterval?

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Q. Which function evaluates a string as code?

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Q. What does console.log(!true) return?

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Q. Which method sorts an array?

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Q. What is the purpose of map()?

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Q. What is the purpose of addEventListener?

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Q. Which keyword has block scope?

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Q. Which method joins array elements into a string?

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Q. What does console.log(NaN === NaN) return?

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