ProfessinalJavaScriptDemos/Ch07/PrivilegedMethodExample02.htm at master · wangminli/ProfessinalJavaScriptDemos · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>Privileged Method Example 2</title>
    </head>
    <body>
        <script type="text/javascript">

            (function(){

                var name = "";

                Person = function(value){
                    name = value;
                };

                Person.prototype.getName = function(){
                    return name;
                };

                Person.prototype.setName = function (value){
                    name = value;
                };
            })();

            var person1 = new Person("Nicholas");
            alert(person1.getName());   //"Nicholas"
            person1.setName("Greg");
            alert(person1.getName());   //"Greg"

            var person2 = new Person("Michael");
            alert(person1.getName());   //"Michael"
            alert(person2.getName());   //"Michael"

        </script>

    </body>
</html>