Mine

public text v1 · immutable
#2093252
·published 2011-11-09 04:25 UTC
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Untitled Document</title>
  </head>

  <body>
    <form>
      Salesman Number: <input type="text" name="salesman" /> <br />
      Weekly Sales: <input type="text" name="weekly" /> <br />
      <input type="button" value="Submit" onclick="addToArray(this.form)" />
    </form>
    
    <p id="output"></p>
  </body>
  
  <script type="text/javascript">
    var salesman = [0];
	
	function addToArray(form) {
	  var salesmanNumber;
	  var sales;
	  
	  salesmanNumber = form.salesman.value;
	  sales = form.weekly.value;
	  
	  parseInt(sales, 10);
	  parseInt(salesmanNumber, 10);
	  
	  salesman[salesmanNumber] += 200 + (sales * 0.09);
	  
	  parseInt(salesman[salesmanNumber], 10);
	  
	  console.log(isNaN(salesman[salesmanNumber]));
	  
	  }
	</script>
</html>