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Virtualization in React JS

· 2 min read
Juan Emilio Rivero
Juan Emilio Rivero
Frontend Developer

When our App contains lists or tables with a large number of elements, the performance will be affected due to loading all these elements into the DOM. Virtualization is a technique to improve the performance of WebApps that need to display large volumes of data, either in the form of lists or tables. The logic of Virtualization consists of rendering only the elements that are currently in the user's viewport. This serves to improve the initial load of the App, resulting in a better UX.