example.tsx
1
export default function Counter() {
const [count, setCount] = useState(0);
useEffect(() => {
document.title = `Count: ${count}`;
}, [count]);
function handleClick() {
setCount(count + 1);
}
return (
<button onClick={handleClick}>
Count: {count}
</button>
);
}
TypeScript|UTF-8
Ln 1, Col 1