Wednesday, October 30, 2013

java-script check for number validation

  <script language="javascript" type="text/javascript">


        function isNumberKey(evt) {
            var charCode = (evt.which) ? evt.which : event.keyCode      
            if (charCode > 31 && (charCode < 48 || charCode > 57) )
                return false;

            return true;
        }

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