1   /*通用的父模板*/
 2     function Plane(x,y){
 3     console.log("plane构造函数")
 4     console.log(this);
 5       this.x = x;
 6       this.y = y;
 7       this.imgNode = document.createElement("img")
 8       this.imgsrc="";
 9       this.blood=5;
10       this.speed=10;
11       this.move=function(){
12         console.log("Plane的move方法");
13       }
14       this.init=function(){}
15       this.init();
16     }

/*1.call*/function PlayerPlane(px,py){console.log(this);    //new PlayerPlane()// call传递参数,参数依次写上Plane.call(this,px,py); //写在代码第一行
//     重写 ==》多态 同一个方法，不同的实现方式this.x=1000;this.move=function(){console.log("Player Plane 的move方法")}this.shoot=function(){}}var playerplane = new PlayerPlane(200,300);console.log(playerplane.hasOwnProperty("x")); //true
    console.log(playerplane.x)playerplane.move();

 /*2.apply*/function BossPlane(bx,by){console.log(arguments);   //参数数组Plane.apply(this,arguments);this.move=function(){console.log("Boss飞机的移动");}}var bossplane = new BossPlane(100,200);console.log(bossplane.x,bossplane.y);bossplane.move()

    /*通用的手机模板*/function Phone(name,price){this.phoneName = name;this.price = price;this.color="red";this.callPhone=function(){}}function IPhone(){this.color="blue";this.music=function(){console.log("听音乐");}this.news=function(){console.log("看新闻");}}var iphone1 = new IPhone();console.log(iphone1.color);//原型链继承IPhone.prototype = new Phone("苹果",6000);var iphone2 = new IPhone();console.log(iphone2.color);console.log(iphone1.__proto__); //原本的Iphone.prototype, 空对象console.log(iphone2.__proto__); //new Phone()console.log(iphone1.__proto__===iphone2.__proto__); //false
IPhone.prototype.newfunc=function(){console.log("新添加的功能");}iphone1.__proto__.newfunc2=function(){console.log("另外一个新添加的功能");}
//    iphone1.newfunc2();
//    iphone2.newfunc();console.log("color" in iphone2);    //trueconsole.log(iphone2.hasOwnProperty("color"));   //false

 Phone.country="中国";
//    var p = new Phone();
//    console.log(p.country)    //undefined 原型链上并没有
//    console.log("country" in p) //false/*p = 实例化对象* Phone = 函数 --- 函数也是一个对象*/
//    console.log(Phone.country);   //只有Phone函数才能调用country//    var iphone1 = new IPhone();
//    console.log(iphone1.country);
IPhone.prototype = new Phone();var iphone2 = new IPhone();console.log(iphone2.country);   //undefined
    console.log(iphone2.color);IPhone.prototype = Phone;var iphone3 = new IPhone();console.log(iphone3.country); // 打印得出来了console.log(iphone3.color);  // undefined
    console.log(iphone3.__proto__.__proto__.__proto__)//prototype 指向一个对象就行了，可以是自己创建的新对象。IPhone.prototype={newAttr1:"新属性1",newAttr2:"新属性2"}var iphone4 = new IPhone();console.log(iphone4.newAttr1);