set state using

reactTip-1.js

const App = () => {
  const [username, setUsername] = useState('');
  const [password, setPassword] = useState(''); 
  
  const setInput = (setter) => (event) => {
    setter(event.currentTarget.value);
  }
  
  return (
    <form>
      <input
        value={username}
        onChange={setInput(setUsername)}
      />
      <input 
        value={username}
        onChange={setInput(setPassword)}
      />
    </form>
  );
}