title: How to get a parameter from url in react js
body: <p>I have a url like this:</p>
  
  <p><strong><a href="http://localhost:3000/1" rel="nofollow noreferrer">http://localhost:3000/1</a></strong></p>
  
  <p>The "1" is the user id as parameter, how can I get it in react js?</p>