Question 1

Are function declarations hoisted in JavaScript?

Accepted Answer

Yes. Function declarations are hoisted with their entire body. You can call a function before its declaration line in the source code.

Question 2

Is hoisting only for var?

Accepted Answer

No. let, const, and function declarations are also hoisted.

Question 3

Why does var return undefined?

Accepted Answer

Memory is allocated during the creation phase before code execution.

Question 4

Are function declarations hoisted?

Accepted Answer

Yes. Function declarations are fully available before execution.

Are function declarations hoisted in JavaScript?

More FAQs in What Is Hoisting in JavaScript?