Explain Virtual dom in react

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Accepted Answer

Virtual DOM is a lightweight copy of the actual DOM used for efficient updates in React.

Virtual DOM is a concept where a lightweight copy of the actual DOM is created and used for efficient updates in React.
It allows React to update only the necessary parts of the actual DOM, reducing the number of expensive DOM operations.
Virtual DOM is a tree-like structure that is compared to the previous version of the Virtual DOM to determine the minimum number of changes required to update the actual DOM.
React uses a diffing algorithm to compare the previous and current versions of the Virtual DOM and apply the necessary changes to the actual DOM.
Virtual DOM is one of the key features of React that makes it fast and efficient for building complex user interfaces.

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