Q. What is the second argument of useEffect used for?

  • (A) To provide initial value
  • (B) To define dependencies
  • (C) To define return type
  • (D) To prevent rendering
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✅ Correct Answer: (B) To define dependencies
Explanation: The second argument is an array of dependencies; the effect re-runs when any dependency changes.

Published by Mr. Dubey ⭐ 109.99K Points at 08-Jun-2025 03:12 pm in React Js

Explanation by: Mr. Dubey
The second argument is an array of dependencies; the effect re-runs when any dependency changes.

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