Mega Code Archive

 
Categories / JavaScript DHTML / Language Basics
 

Creating Number Objects Rather than Performing String-to-Number Conversions

<html> <head>   <script language="JavaScript1.1" type="text/javascript">   <!--     Number.prototype.description = null;         Highway = new Number(65);     City = new Number(35);     SchoolZone = new Number(25);         Highway.description = "Interstate Highway Speed Limit";     City.description = "City Speed Limit";     SchoolZone.description = "School Zone Speed Limit";         function tellDifference(num1, num2) {       diff = num1 - num2;       document.write("The speed difference between " + num1.description +                           " and " + num2.description + " is " + diff);    }       //-->   </script> </head> <body>   <script language="JavaScript1.1" type="text/javascript">   <!--     // Call function     tellDifference(Highway,  City);   //-->   </script> </body> </html>