React.memo in React explained by Frontend Master
Learn About HOC Here:
• React Design Patterns Explained by Fronten...
React.memo is a higher-order component (HOC) in React that is used for optimizing functional components by memoizing them. Memoization is a technique where the result of a function is cached, and if the same function is called again with the same arguments, the cached result is returned instead of recalculating.
In the context of React.memo, it helps to prevent unnecessary renders of functional components. When a component is wrapped with React.memo, it will only re-render if its props have changed. If the props remain the same between renders, React.memo returns the memoized version of the component, skipping the rendering process.
Chapter Markers:
00:00 Intro
01:01 Problem
01:38 React.memo
03:18 Downside of React.memo
05:50 When to use memo
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