You can use the useEffect Hook to conduct side effects in your components. Fetching data, directly altering the DOM, and timers are all examples of side effects. useEffect takes two parameters. The second argument is not required. useEffect(function>, dependency>) is a function that is used to create an effect.
Instead, utilise Hooks before any early returns at the top level of your React method. You can ensure that Hooks are called in the same sequence each time a component renders by following this guideline. That's how React can keep the state of Hooks consistent across numerous useState and useEffect calls.
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