You notify React that your component needs to perform something after it renders by using this Hook. After completing the DOM modifications, React will remember the function you gave (which we'll refer to as our "effect").
The introduction of useEffect Hook was motivated by the desire to eliminate the negative consequences of employing class-based components. Tasks like as changing the DOM, obtaining data from API endpoints, setting up subscriptions or timers, and so on might result in unintended side effects.
No, not really, is the quick response. The only hook that ties into the component lifecycle is useEffect, and it only ever runs after render. (useLayoutEffect is the same; it runs after render as well.)
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