Q. What is the virtual DOM in React?

  • (A) A real DOM in memory
  • (B) A UI rendered in JavaScript
  • (C) A lightweight in-memory representation of the real DOM
  • (D) A CSS engine
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✅ Correct Answer: (C) A lightweight in-memory representation of the real DOM
Explanation: The virtual DOM is a lightweight copy of the real DOM that React uses for efficient updates.

Published by Mr. Dubey ⭐ 111.54K Points at 08-Jun-2025 03:11 pm in React Js

Explanation by: Mr. Dubey
The virtual DOM is a lightweight copy of the real DOM that React uses for efficient updates.

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