title: How can i get user info with node.js
body: <p>I am using express.js</p>
  
  <p>I should learn user's browser name, browser language, country. How can i learn these ?</p>
  
  <p>I tried <a href="https://www.npmjs.com/package/useragent" rel="noreferrer">useragent</a> but i think it just give browser.</p>