W3Schools Tryit Editor

main.jsx

index.html

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

function MyCars() {
  const cars = [
    {id: 1001, brand: 'Ford'},
    {id: 1002, brand: 'BMW'},
    {id: 1003, brand: 'Audi'}
  ];
  return (
    <>
      <h1>My Cars:</h1>
      <ul>
        {cars.map((car) => <li key={car.id}>I am a { car.brand }</li>)}
      </ul>
    </>
  );
}

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

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