title: Why do people declare something as null in JavaScript?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/461966/why-is-there-a-null-value-in-javascript">Why is there a <code>null</code> value in JavaScript?</a>  </p>
  </blockquote>
  
  
  
  <p>I don't understand what null is for. 'Undefined' as well.</p>