What is Virtual DOM in React?

Table of Contents

· What is Virtual DOM in React?
∘ Understanding the DOM
∘ Enter the Virtual DOM
∘ Key Benefits of the Virtual DOM in React
∘ How the Diffing Algorithm Works
· Real DOM vs. Virtual DOM: A Comparison
· Conclusion
· For More Articles

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What is Virtual DOM in React?

The Virtual DOM (Document Object Model) is a core concept in React that allows the library to efficiently update and render the user interface. React is known for creating dynamic, interactive web applications, and the Virtual DOM is the mechanism that powers its high performance and responsiveness.

Understanding the DOM

To understand the Virtual DOM, it’s important to first grasp what the actual DOM is. The DOM represents the structure of a webpage as a tree of nodes, where each node represents an element in the HTML. It allows JavaScript to access and manipulate HTML elements dynamically.