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1. Explain the `for...of` loop in ES6?
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2. What is Prototypal Inheritance?
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3. What is a WeakMap in ES6? How is it different from a Map?
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4. What is a `Map` in ES6?
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5. What difference between the First-Class function?
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6. What are shallow copy and deep copy in JavaScript? What are the differences between shallow copy and deep copy?
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7. What is a `Set` in ES6?
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8. What is the advantage of using the arrow syntax for a constructor method?
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9. What is the Temporal Dead Zone (TDZ) in JavaScript?
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10. What is a `WeakMap` in ES6?
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