import React from 'react'; import { useState } from 'react' function App() { const [count, setCount] = useState(0) const styles = { main: { padding: '20px', }, title: { color: '#5C6AC4' }, }; return ( <div style={styles.main}> <h1 style={styles.title}>Hello, World!</h1> <div> <button onClick={() => setCount((count) => count + 1)}> count {count} </button> </div> </div> ) } export default App