1: Explain the concept of hoisting in JavaScript.
2: How do you implement a custom iterator in JavaScript?
3: What are the differences between function declarations and function expressions?
4: How do closures work in JavaScript, and what are their use cases?
5: Explain the prototype chain and how it relates to inheritance in JavaScript.
6: What is the purpose of the this keyword in JavaScript?
7: How does this behave differently in arrow functions compared to regular functions?
8: What are the implications of using eval() in JavaScript?
9: Explain the concept of asynchronous programming in JavaScript.
10: What are the differences between Promise and async/await?
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