useEffect() is one of the most used hooks in React applications. This makes it a favorite topic for interviewers to talk about it in Frontend/React interviews. Having a good understanding of useEffect is crucial. We can write React applications either using class-based components or using functional components (using hooks)
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IntroductionUse and SyntaxMillion dollar question is - When actually useEffect runs?A common mistake beginners make -Multiple useEffect in an ComponentData Fetching From an API Endpoint.When to return a cleanup function from useEffect .Relaton with class-based components.4 Comments
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