title: Reverse decimal digits in javascript
body: <p>How do I reverse the digits of a number <strong>using bitwise?</strong></p>
  
  <p>input:</p>
  
  <pre><code>x = 123; 
  </code></pre>
  
  <p>output:</p>
  
  <pre><code>x = 321; 
  </code></pre>
  
  <p>How Do this?</p>