The article explains the virtual DOM in React, emphasizing its role as a lightweight representation of the real DOM for efficient UI updates. It outlines how the virtual DOM operates through three steps: rendering, diffing, and patching. When a component's state changes, it generates a new virtual DOM tree which is compared to the previous version to identify differences. This method significantly reduces direct DOM manipulations, improving performance and user experience. The article serves as a guide for understanding and implementing the virtual DOM effectively in React development.
The virtual DOM allows React to efficiently update the UI by calculating the minimal set of changes needed, enhancing user experience through reduced direct manipulations.
When a component's state changes, a new virtual DOM is created and compared with the old version using a diffing algorithm, updating only what has changed.
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