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9 questions
What is the primary purpose of the useState hook in React?
Which React hook should you use to perform side effects such as data fetching or subscriptions?
Why would you use useMemo in a React component?
True or False: The useCallback hook is used to memoize functions in React to prevent unnecessary re-rendering of child components.
True or False: You should avoid passing an empty dependency array to useEffect because it causes the effect to run on every render.
True or False: Using useMemo can help prevent expensive recalculations but it should be used sparingly, as unnecessary usage can add complexity without benefits.
Explain in your own words what problem useState solves in React components.
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Describe a scenario where you would use useCallback instead of defining a function inline in a React component.
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How would you explain the difference between useMemo and useCallback to a fellow developer?
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