内置 React 组件

React 公开了一些可以在 JSX 中使用的内置组件。

¥React exposes a few built-in components that you can use in your JSX.

内置组件

¥Built-in components

<Fragment>，也可以写成 <>...</>，让你可以将多个 JSX 节点组合在一起。

¥<Fragment>, alternatively written as <>...</>, lets you group multiple JSX nodes together.
<Profiler> 允许你以编程方式测量 React 树的渲染性能。

¥<Profiler> lets you measure rendering performance of a React tree programmatically.
<Suspense> 允许你在加载子组件时显示回退。

¥<Suspense> lets you display a fallback while the child components are loading.
<StrictMode> 启用了额外的仅开发检查，可帮助你尽早发现错误。

¥<StrictMode> enables extra development-only checks that help you find bugs early.

¥Your own components

你还可以将定义自己的组件作为 JavaScript 函数。

¥You can also define your own components as JavaScript functions.