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. What does console.log(!0) return?

View Solution

Q. Which method converts JSON to a string?

View Solution

Q. What is the purpose of reduce()?

View Solution

Q. Which event triggers on mouse hover?

View Solution

Q. What does console.log(0.1 + 0.2) approximate?

View Solution

Q. Which method checks if a value is an array?

View Solution

Q. What is the purpose of async/await?

View Solution

Q. Which method trims whitespace from a string?

View Solution

Q. Which method filters unique values?

View Solution

Q. What does JSON.parse do?

View Solution

12 3 4

Get Question Bank

Strengthen Your Practice with our comprehensive question bank.

Get Expert Advice for Free: Register for Your Free Consultation Now!

Full Name

Phone Number

Select Language

Select Course

Select Course

Select Course

Select Course

Select Course

Please leave this field empty.