Question 1

Do closures consume memory?

Accepted Answer

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

Question 2

What is a closure in simple words?

Accepted Answer

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

Question 3

Are closures important for interviews?

Accepted Answer

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

Question 4

What are closures used for?

Accepted Answer

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

Do closures consume memory?

More FAQs in What Is a Closure in JavaScript?