Should I split my React components into smaller ones?
Yes. Splitting components by responsibility makes your code easier to read, reuse, and debug. A good rule of thumb is that if a component is doing more than one distinct thing, it is a candidate for splitting.
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More FAQs in Common Mistakes Beginners Make When Starting With React
React tracks state changes through the setter function returned by useState. When you mutate state directly, React may not detect the change and will skip re-rendering, leaving your UI out of sync. Always use the setter to update state.
It works for static lists that never change, but it causes bugs when items are added, removed, or reordered because the index no longer maps to the same item. Use a stable unique id from your data whenever possible.
Infinite loops usually happen when you call a state setter inside useEffect without a correct dependency array, or when you include a value that changes on every render. Make sure your dependency array lists only the values the effect actually depends on.
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