What is React virtualization and why is it important?
React virtualization is a technique used to efficiently render large lists or tables in React applications. It only renders the items that are currently visible in the viewport, which improves performance and reduces memory usage.
How does it improve performance?
By rendering only the visible items, React virtualization minimizes the number of DOM nodes created and updated, leading to faster rendering times and a smoother user experience.
Can you give me an example of a library that implements this?
Sure! One popular library for React virtualization is 'react-window'. It provides a simple API to create virtualized lists and grids.
Are there any downsides to using virtualization?
Yes, while virtualization improves performance, it can complicate features like scrolling and item selection, as the items not in the DOM may not be directly accessible.
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