content: [API Reference](https://react.dev/reference/react)
  
  # Built-in React Components[Link for this heading]()
  
  React exposes a few built-in components that you can use in your JSX.
  
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  ## Built-in components[Link for Built-in components]()
  
  - [`<Fragment>`](https://react.dev/reference/react/Fragment), alternatively written as `<>...</>`, lets you group multiple JSX nodes together.
  - [`<Profiler>`](https://react.dev/reference/react/Profiler) lets you measure rendering performance of a React tree programmatically.
  - [`<Suspense>`](https://react.dev/reference/react/Suspense) lets you display a fallback while the child components are loading.
  - [`<StrictMode>`](https://react.dev/reference/react/StrictMode) enables extra development-only checks that help you find bugs early.
  
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  ## Your own components[Link for Your own components]()
  
  You can also [define your own components](https://react.dev/learn/your-first-component) as JavaScript functions.
  
  [PrevioususeTransition](https://react.dev/reference/react/useTransition)
  
  [Next&lt;Fragment&gt; (&lt;&gt;)](https://react.dev/reference/react/Fragment)