title: NodeJS: what is difference between "./.." and ".." in require?
body: <p>What is difference between </p>
  
  <pre><code>var XYZ = require('./../xyz');
  </code></pre>
  
  <p>and</p>
  
  <pre><code>var XYZ = require('../xyz');
  </code></pre>
  
  <p>Which one is prefered?</p>