React Suspense API All In One

old Concurrent Mode

https://17.reactjs.org/docs/concurrent-mode-intro.html

https://reactjs.org/docs/concurrent-mode-intro.html

// This component is loaded dynamically
const OtherComponent = React.lazy(() => import('./OtherComponent'));

function MyComponent() {
  return (
    // Displays <Spinner> until OtherComponent loads
    <React.Suspense fallback={<Spinner />}>
      <div>
        <OtherComponent />
      </div>
    </React.Suspense>
  );
}

Today, lazy loading components is the only use case supported by <React.Suspense>:

https://reactjs.org/docs/react-api.html#reactsuspense

React.Suspense

https://beta.reactjs.org/apis/react#suspense

<Suspense fallback={<Loading />}>
  <SomeComponent />
</Suspense>

https://beta.reactjs.org/apis/react/Suspense

https://beta.reactjs.org/apis/react/lazy#suspense-for-code-splitting

blogs

JSX

https://reactjs.org/blog/2020/09/22/introducing-the-new-jsx-transform.html

https://reactjs.org/blog/2021/12/17/react-conf-2021-recap.html

react 18

https://reactjs.org/blog/2022/03/08/react-18-upgrade-guide.html

https://reactjs.org/blog/2022/03/29/react-v18.html#gradually-adopting-concurrent-features

React v18 docs

Hooks API demos

https://beta.reactjs.org/

refs

https://www.cnblogs.com/xgqfrms/tag/Suspense/

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From： https://www.cnblogs.com/xgqfrms/p/16894541.html