main.jsx
index.html
import { createRoot } from 'react-dom/client';
function Hello() {
return (
<h1>Hello World!</h1>
);
}
createRoot(document.getElementById('root')).render(
<Hello />
);
<!doctype html>
<html lang="en">
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>
localhost:5173