function App() { const inputRef = useRef(); const [inputValue, setInputValue] = useState(""); const handleSubmit = (e) => { e.preventDefault(); setInputValue(inputRef.current.value); }; return ( <form onSubmit={handleSubmit}> <h1>{inputValue}</h1> <TextInput ref={inputRef} /> <button type="submit">Submit</button> </form> ); } export default App;