W3Schools Tryit Editor

main.jsx

index.html

import { createRoot } from 'react-dom/client'

function Car() {
  const myobj = {
    name: "Fiat",
    model: "500",
    color: "white"
  };
  return (
    <>
      <h1>My car is a {myobj.color} {myobj.name} {myobj.model}</h1>
    </>
  );
}

createRoot(document.getElementById('root')).render(
  <Car />
);

<!doctype html>
<html lang="en">
  <body>
    <div id="root"></div>
    <script type="module" src="/src/main.jsx"></script>
  </body>
</html>