use react suspense with dom code example

Example 1: enable concurrent mode in recat

//It stops rendering of element to have a better UX

//Go to index.js and make the following changes:-

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

Example 2: suspense react

import React, {Suspense} from 'react;
const ProfilePage = React.lazy(() => import('./ProfilePage')); // Lazy-loaded

// Show a spinner while the profile [data fetching] is loading
<Suspense fallback={<Spinner />}>
  <ProfilePage />
</Suspense>