title: How to open javascript command line with shelljs
body: <p>I have been using shelljs for a project of mine and found this little problem.</p>
  
  <pre><code>let shell = require('shelljs')
  shell.exec('js')
  </code></pre>
  
  <p>When I execute this script, it does not open de javascript command line, instead it's like the terminal is waiting for something like a carry return or something.</p>
  
  <p><a href="https://i.stack.imgur.com/q0FoX.png" rel="nofollow noreferrer">This is what happens</a></p>