How to check whether a value is a number in javascript or jquery
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/18082/validate-numbers-in-javascript-isnumeric">Validate numbers in JavaScript - IsNumeric()</a>  </p>
</blockquote>



<pre><code>var miscCharge = $("#miscCharge").val();
</code></pre>

<p>I want to check misCharge is number or not? is there any method or easy way in jquery or javascript to do this?</p>

<p>HTMl is </p>

<pre><code>        &lt;g:textField name="miscCharge"  id ="miscCharge" value="" size="9" max="100000000000" min="0" /&gt;
</code></pre>
