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07.29.2008 at 11:17PM PDT, ID: 23606377
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8.2

javascript format number and dollar

Asked by riskyricky1972 in JScript, JavaScript, Asynchronous Javascript and XML (AJAX)

I have attached working fine except when I tried to backspace the number format does not seem working. For example, first I put
25000 and it will automatically change to 25,000 that is what i expect, but when I backspace 1 e.g. the value of the input box will be 25,00
and it suppose to be 2,500, unfortuneately, it doesn't automatically change it. Any experts can take a look and fix it?
500 pts for completed codes. Thank youStart Free Trial 
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<script>
 
var oldValue = [];
 
   var VK_BACK     = 0x08;      // BACKSPACE key
   var VK_TAB      = 0x09;      // TAB key 
   var VK_SHIFT    = 0x10;      // SHIFT key 
   var VK_CONTROL  = 0x11;      // CTRL key 
   var VK_MENU     = 0x12;      // ALT key 
   var VK_END      = 0x23;      // END key 
   var VK_HOME     = 0x24;      // HOME key 
   var VK_LEFT     = 0x25;      // LEFT ARROW key 
   var VK_RIGHT    = 0x27;      // RIGHT ARROW key 
   var VK_DELETE   = 0x2E;      // DEL key 
   var VK_0        = 0x30;      // 0 key
   var VK_1        = 0x31;      // 1 key
   var VK_2        = 0x32;      // 2 key
   var VK_3        = 0x33;      // 3 key
   var VK_4        = 0x34;      // 4 key
   var VK_5        = 0x35;      // 5 key
   var VK_6        = 0x36;      // 6 key
   var VK_7        = 0x37;      // 7 key
   var VK_8        = 0x38;      // 8 key
   var VK_9        = 0x39;      // 9 key
   var VK_NUMPAD0  = 0x60;      // Numeric keypad 0 key
   var VK_NUMPAD1  = 0x61;      // Numeric keypad 1 key
   var VK_NUMPAD2  = 0x62;      // Numeric keypad 2 key
   var VK_NUMPAD3  = 0x63;      // Numeric keypad 3 key
   var VK_NUMPAD4  = 0x64;      // Numeric keypad 4 key
   var VK_NUMPAD5  = 0x65;      // Numeric keypad 5 key
   var VK_NUMPAD6  = 0x66;      // Numeric keypad 6 key
   var VK_NUMPAD7  = 0x67;      // Numeric keypad 7 key
   var VK_NUMPAD8  = 0x68;      // Numeric keypad 8 key
   var VK_NUMPAD9  = 0x69;      // Numeric keypad 9 key
   var VK_SUBTRACT = 0x6D;      // Subtract key 
   var VK_DECIMAL  = 0x6E;      // Decimal key 
   var VK_HYPHEN   = 0xBD;      // Windows 2000/XP: For any country/region, the '-_' key
   var VK_PERIOD   = 0xBE;      // Windows 2000/XP: For any country/region, the '.>' key
 
   function formatCurrency(element, __event)
   {
      if (oldValue[element.id] == undefined)
      {
         oldValue[element.id] = "";
      }
      var keyCode;
      if (window.event) // IE
      {
         keyCode = __event.keyCode;
      }
      else if (__event.which) // Netscape/Firefox/Opera
      {
         keyCode = __event.which;
      }
      var shiftDown = __event.shiftKey;
      var ctrlDown  = __event.ctrlKey;
      var altDown   = __event.altKey;
      var validChar = 
      (
         (
            (
               (
                  ((keyCode >= VK_0)       && (keyCode <= VK_9))       || 
                  ((keyCode >= VK_NUMPAD0) && (keyCode <= VK_NUMPAD9))
               ) || 
               (
                  (keyCode == VK_HYPHEN)   || 
                  (keyCode == VK_SUBTRACT)
               ) || 
               (
                  (keyCode == VK_PERIOD)  || 
                  (keyCode == VK_DECIMAL)
               ) || 
               (
                  (keyCode == VK_DELETE) || 
                  (keyCode == VK_BACK)
               )
            ) && !shiftDown && !ctrlDown && !altDown
         ) || 
         (
            (
               (keyCode == VK_HOME)  || 
               (keyCode == VK_END)   || 
               (keyCode == VK_LEFT)  || 
               (keyCode == VK_RIGHT)
            )
         ) && !ctrlDown && !altDown
      );
      if (validChar)
      {
         if ((keyCode == VK_HYPHEN) || (keyCode == VK_SUBTRACT))
         {
            if (element.value.indexOf("-") != 0)
            {
               element.value = oldValue[element.id];
            }
            return false;
         }
         else if ((keyCode == VK_PERIOD) || (keyCode == VK_DECIMAL))
         {
            if (element.value.indexOf(".") < (element.value.length - 1))
            {
               element.value = oldValue[element.id];
            }
            return false;
         }
         else if ((keyCode == VK_HOME) || (keyCode == VK_END) || (keyCode == VK_LEFT) || (keyCode == VK_RIGHT) || (keyCode == VK_DELETE) || (keyCode == VK_BACK))
         {
            return false;
         }
      }
      else
      {
         if ((keyCode != VK_SHIFT) && (keyCode != VK_CONTROL) && (keyCode != VK_MENU) && (keyCode != VK_TAB))
         {
            element.value = oldValue[element.id];
         }
         return false;
      }
      var number     = moneyToNumber(element.value);
      var negative   = (number.substr(0, 1) == "-");
      number         = number.replace("-", "");
      var floatArray = number.split(".");
      floatArray[0]  = "" + parseFloat(floatArray[0]);
      var newValue   = addCommas(floatArray[0]);
      if (floatArray[1] != undefined)
      {
         newValue += "." + floatArray[1].substr(0, 2);
      }
      if (negative)
      {
         newValue = "-" + newValue;
      }
      if (element.value != newValue)
      {
         element.value        = newValue;
         oldValue[element.id] = newValue;
      }
      return false;
   }
 
   function addCommas(number)
   {
      return ((number.length > 3) ? (addCommas(number.substring(0, number.length - 3)) + "," + number.substring(number.length - 3, number.length)) : 
         String(number));
   }
 
   function moneyToNumber(money)
   {
      var number = money.replace("$", "");
      while (number.indexOf(",") > -1)
      {
         number = number.replace(",", "");
      }
      return number;
   }
</script>
htmlwrite = htmlwrite & "<tr><td><span id='originalcost'>Purchased Price $</span></td><td><input 		  type=""text""            class=""fullsize_textbox""     name=""ii_originalcost""      onkeyup=""formatCurrency(this, event)""  value=""" & ii_originalcost    & """></td></tr>"
[+][-]07.30.2008 at 01:30AM PDT, ID: 22118376

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About this solution

Zones: JScript, JavaScript, Asynchronous Javascript and XML (AJAX)
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Solution Provided By: mrdany
Participating Experts: 1
Solution Grade: A
 
 
 
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