usematch react router
import React from 'react'
import ReactDOM from 'react-dom'
import { useParams } from 'react-router-dom'
function BlogPost() {
// We can call useParams() here to get the params,
// or in any child element as well!
let { slug } = useParams()
// ...
}
ReactDOM.render(
<Router>
<div>
<Switch>
{/* No weird props here, just use
regular `children` elements! */}
<Route path="/posts/:slug">
<BlogPost />
</Route>
</Switch>
</div>
</Router>,
document.getElementById('root')
)