With React, you can create reusable components that will always render the same data in the same way, which wasn’t always the case pre-React. Let’s say you’re a huge Olympics fan and you build a React website for tracking scores. Users who visit your site won’t need to wait for the entire tree to deconstruct and reconstruct when the newest data on the half-pipe is available. React components will efficiently update to accommodate the changing data.
Click here to view the full article.