What is the usage of switch in react

In react, switch is used to ensure that the route only renders one path, and is used to solve the unique rendering of the route; when using the "" package, it will stop after matching a path. Rendering, if you do not use the "" package, each matched "" will be rendered.

The operating environment of this tutorial: Windows 10 system, react version 17.0.1, Dell G3 computer.

What is the usage of switch in react

Every matched will be rendered, wrapped with , only one path will be rendered

In order to solve the unique rendering of route, it is to ensure that the route only renders one path.

is unique because it only renders one path. When it matches a path, it stops rendering. In contrast (without the package), every matched by location will be rendered.

If

<Router history={history}>
    <Switch>
        <Route path=&#39;/home&#39; render={()=>(<div>首页</div>)}/>
        <Route path=&#39;/home&#39; component={()=>(<div>首页</div>)}/>
    </Switch>
</Router>

If

<Router history={history}>
    <Route path=&#39;/home&#39; render={()=>(<div>首页</div>)}/>
    <Route path=&#39;/home&#39; render={()=>(<div>首页</div>)}/>
</Router>

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