What are the best practices for using useEffect dependencies in React?
When using useEffect, always include all variables that are used inside the effect in the dependency array to avoid stale closures.
Can you give me an example of a common mistake with useEffect dependencies?
Sure! A common mistake is omitting a variable from the dependency array, which can lead to unexpected behavior.
How can I optimize my useEffect to prevent unnecessary re-renders?
You can optimize useEffect by using memoization techniques like useCallback or useMemo for functions and values.
What happens if I leave the dependency array empty?
If the dependency array is empty, the effect will only run once after the initial render, similar to componentDidMount.
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