title: Printing a var inside a string
body: <p>I'm new to JS and I want to know how to print a var inside a string ,
  i found that the way should be : </p>
  
  <pre><code>var user = {
      name: "Mike",
      sayHi:() =&gt; {
          console.log('Hi, I\'m ${name}');
      }
  };
  
  user.sayHi()
  </code></pre>
  
  <p>but I get : <code>Hi, I'm ${name}</code></p>