Q. What is the difference between useMemo and useCallback?

  • (A) useMemo memoizes functions, useCallback memoizes values
  • (B) useCallback is used for memoizing values
  • (C) useMemo memoizes values, useCallback memoizes functions
  • (D) They do the same thing
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✅ Correct Answer: (C) useMemo memoizes values, useCallback memoizes functions
Explanation: useMemo is for expensive value computations; useCallback is for memoizing functions.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 03:15 pm in React Js

Explanation by: Mr. Dubey
useMemo is for expensive value computations; useCallback is for memoizing functions.

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