"useEffect allows you to perform side effects, such as data fetching or DOM manipulation, in a functional component. To ensure these side effects run when necessary, you need to provide a dependency array as the second argument to useEffect."
"When using useEffect, it's important to provide a dependency array as the second argument to ensure that side effects run when necessary. For example, if you want an effect to run whenever a specific state variable changes, you should include that variable in the dependency array."
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