function App() { const [checked, setChecked] = useState(false); const toggleChecked = () => setChecked(value => !value); return ( <input type="checkbox" checked={checked} onChange={toggleChecked} /> ); }
function App() { const [checked, setChecked] = useState(false); const toggleChecked = () => setChecked(value => !value); return ( <input type="checkbox" checked={checked} onChange={toggleChecked} /> ); }