Kent C. Dodds 12/2/2020

useEffect vs useLayoutEffect

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This article provides a detailed comparison of React's useEffect and useLayoutEffect hooks. It explains that useEffect is the preferred choice 99% of the time as it runs after rendering without blocking the browser paint. useLayoutEffect runs synchronously after DOM mutations and is recommended for specific cases like DOM measurements or mutations to prevent visual flickers.

useEffect vs useLayoutEffect

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