W3Schools Tryit Editor

main.jsx

index.html

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

const fruitlist = ['apple', 'banana', 'cherry'];

function MyList() {
  return (
    <ul>
      {fruitlist.map(fruit => 
        <li key={fruit}>{fruit}</li>
      )}
    </ul>
  );
}

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

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