Q. In React, what is reconciliation?

  • (A) Process of compiling JSX
  • (B) Matching new tree with old tree to update DOM
  • (C) Re-rendering all components
  • (D) Synchronizing with backend
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✅ Correct Answer: (B) Matching new tree with old tree to update DOM
Explanation: Reconciliation is the process of comparing the new virtual DOM with the previous one.

Published by Mr. Dubey ⭐ 109.99K Points at 08-Jun-2025 03:17 pm in React Js

Explanation by: Mr. Dubey
Reconciliation is the process of comparing the new virtual DOM with the previous one.

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