Is there a JavaScript alternative to isNaN()?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/10094738/javascript-logic-for-isnan">JavaScript logic for isNaN()</a>  </p>
</blockquote>



<p>Hey all I want is to check that the entered value in a textbox is not a number or without using the function <code>isNaN();</code>. Is there any way?</p>
