<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <title>Basic JavaScript OOP</title> </head> <script type='text/javascript'> // difine the class function Customer(name, addr){ // private fileds var _Name = name; var _Address = addr ; // property this.Name = _Name; this.Address = _Address // private method function toString(){ return _Name + ", " + _Address; } // public method this.ToString = function(){ return toString(); } } // create object var cust = new Customer("Tom", "XXX Avenue"); // access property alert(cust.Name + "\n" + cust.Address); // access method alert(cust.ToString()); </script> <body> </body> </html>