title: String interpolation on variable
body: <p>Say I have a variable <code>str</code></p>
  
  <pre><code>var str = "123"
  </code></pre>
  
  <p>Now I could do <code>console.log(`Hello ${str}`)</code> and it will print <code>Hello 123</code></p>
  
  <p>Now I have another variable <code>strnew</code></p>
  
  <pre><code>var strnew = 'Hello ${str}'
  </code></pre>
  
  <p>Note (based on answers/comments) - <code>strnew</code> is read from a file, so its always a string and cant be replaced with <code>`</code></p>
  
  <p>How do I <code>console.log(...)</code> to print <code>Hello 123</code></p>
  
  <p>Is it possible wihtout any kind of <code>eval()</code></p>