title: How can you make a variable/Object read only in Javascript?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/366047/can-read-only-properties-be-implemented-in-pure-javascript">Can Read-Only Properties be Implemented in Pure JavaScript?</a>  </p>
  </blockquote>
  
  
  
  <p>I have an Object that I only want to be defined when constructed. How can I prevent the Object  reference from being changed?</p>