Q. Which React method is used to clean up resources in a component?

  • (A) componentCleanup
  • (B) useEffect return function
  • (C) useMemo
  • (D) componentDispose
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✅ Correct Answer: (B) useEffect return function
Explanation: Returning a function from `useEffect` handles clean-up logic like unsubscribing or clearing timers.

Published by Mr. Dubey ⭐ 109.99K Points at 08-Jun-2025 03:16 pm in React Js

Explanation by: Mr. Dubey
Returning a function from `useEffect` handles clean-up logic like unsubscribing or clearing timers.

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