title: Check whether a value is a number in JavaScript or jQuery
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://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 <code>misCharge</code> 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>