Q. How does React achieve better performance?

  • (A) By using AJAX
  • (B) By caching the DOM
  • (C) By using the virtual DOM and efficient diffing
  • (D) By using CSS-in-JS
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✅ Correct Answer: (C) By using the virtual DOM and efficient diffing
Explanation: React uses a virtual DOM and diffing algorithm to minimize DOM updates.

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

Explanation by: Mr. Dubey
React uses a virtual DOM and diffing algorithm to minimize DOM updates.

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