Improve your JavaScript skills with this online quiz featuring 10 multiple-choice questions. Whether you’re a beginner or an experienced developer, this quiz covers JavaScript fundamentals, functions, objects, DOM manipulation, ES6 features, and asynchronous programming.

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10 Minutes JavaScript Quiz Test Online

Test your JavaScript knowledge with this 10-minutes quiz! Covering fundamental to advanced concepts, this quiz features 10 multiple-choice questions that will challenge your understanding of variables, functions, objects, asynchronous programming, and DOM manipulation. Perfect for interview preparation and skill enhancement.

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1. What does the HttpOnly flag on cookies do?

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2. How can developers avoid exposing sensitive information in source maps?

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3. Which modern API is a simpler alternative to XMLHttpRequest?

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4. Which method is used to test asynchronous code in Jest?

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5. Which keyword is used to define a constant in JavaScript?

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6. JavaScript is a _______ language.

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7. Which tool is commonly used for JavaScript testing?

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8. What is the purpose of Object.freeze()?

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9. What happens when a return statement is used inside a forEach loop?

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10. How do you register an event that triggers once and then removes itself?

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