Javascript eval function
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/7427353/prevent-malicious-user-from-executing-javascript">Prevent malicious user from executing JavaScript</a>  </p>
</blockquote>



<p>If I put <code>javascript:eval("abcfunction("123"; eval();");</code> in the browser's address bar and click on enter it is sending a request to a server, how do I avoid this?</p>
