Question 1

What is a closure in simple words?

Accepted Answer

A closure allows a function to remember variables from its outer scope.

Question 2

Are closures important for interviews?

Accepted Answer

Yes. Closures are one of the most commonly asked JavaScript interview topics.

Question 3

What are closures used for?

Accepted Answer

Closures are used for data privacy, callbacks, event handlers, and many advanced JavaScript patterns.

Question 4

Do closures consume memory?

Accepted Answer

Closures retain references to variables they need, which may affect memory usage.

What is a closure in simple words?

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