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import React, { useState, useCallback } from 'react'; // Button component const Button = React.memo(({ handleClick, children }) => { console.log(`Button ${children} rendered`); return <button onClick={handleClick}>{children}</button>; }); const UseCallbackExample = () => { const [count, setCount] = useState(0); const [value, setValue] = useState(10); // Memoize the callback const incrementCount = useCallback(() => { setCount(count + 1); }, [count]); const incrementValue = useCallback(() => { setValue(value + 1); }, [value]); return ( <div> <h2>useCallback Example</h2> <Button handleClick={incrementCount}>Increment Count: {count}</Button> <Button handleClick={incrementValue}>Increment Value: {value}</Button> </div> ); }; export default UseCallbackExample;
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