title: How to join values of one object?
body: <p>Get values and join with <code>','</code></p>
  
  <pre><code>const users = [{
    name: "Jon",
    age: 34,
    country: "ES"
  }]
  
  users.map(function(a){
     for (let item in a) { 
       console.log(a[item])
    }
  })
  
  //users.join(", ");
  </code></pre>
  
  <p>I want to return <code>Jon,34,ES</code>.
  Any suggestions?</p>