PRB: Parseint Returns 0 for Some Strings with Leading Zeros

function parseVal(val)
{
   while (val.charAt(0) == '0')
      val = val.substring(1, val.length);

   return val;
}
				

MORE INFORMATION

Steps to Reproduce Behavior

The following Web page demonstrates this problem. This Web page contains a text box. When focus is shifted away from the edit box by pressing the TAB key, the parseInt() function is called with the value that was entered into the text box. The value returned from parseInt() is then displayed in an alert box. If you enter "08" or "09" into the text box, parseInt() returns a value of 0.

<HTML>
<HEAD>
   <TITLE>Problem with parseInt</TITLE>
</HEAD>
<BODY>
   <INPUT TYPE=TEXT name="TXT1">
   <SCRIPT FOR="TXT1" EVENT=onchange>
      var val = parseInt(TXT1.value);
      alert(val);
   </SCRIPT>
</BODY>
</HTML>
				

The following JScript code demonstrates the workaround for this problem.

<HTML>
<HEAD>
   <TITLE>THEAD</TITLE>

   <SCRIPT LANGUAGE="JScript">
      function parseVal(val)
      {
         while (val.charAt(0) == '0')
            val = val.substring(1, val.length);

         return val;
      }
   </SCRIPT>
</HEAD>
<BODY>
   <INPUT TYPE=TEXT name="TXT1">
   <SCRIPT FOR="TXT1" EVENT=onchange>
      var val = parseVal(TXT1.value);
      alert(val);
   </SCRIPT>
</BODY>
</HTML>