In JavaScript, what is a closure ?

2026

Answer: B. A function bundled with its lexical environment — A closure is a function bundled with its lexical environment, allowing access to outer variables even after the outer function has returned.

1. A.

   A function that returns nothing

2. B.

   A function bundled with its lexical environment

3. C.

   A loop termination condition

4. D.

   An error handling mechanism

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