JavaScript 演練(5). 類比類

/* 給一個執行個體化後的Null 物件添加屬性、方法 */obj = {};obj.Name = "張三";obj.Age = 33;obj.ShowInfo = function () { alert(obj.Name + ", " + obj.Age); }obj.ShowInfo(); //張三, 33/* 用函數建立並返回對象 */function GetObj(name, age) {    return {        Name: name,        Age: age,        ShowInfo: function () { alert(this.Name + ", " + this.Age); }    }}GetObj("張三", 33).ShowInfo(); //張三, 33/* 類比類 */function MyClass(name, age) {    this.Name = name;                                  //屬性    this.Age = age;                                    //屬性    this.ShowName = function () { alert(this.Name); }; //方法}obj1 = new MyClass("張三", 33); //執行個體化obj1.ShowName(); //張三//補加的屬性與方法MyClass.prototype.ClassName = "MyClass"; MyClass.prototype.ShowInfo = function () { alert(this.ClassName + ", " + this.Name + ", " + this.Age); }obj1.ShowInfo(); //MyClass, 張三, 33obj2 = new MyClass("李四", 44); //執行個體化obj2.ShowInfo(); //MyClass, 李四, 44