SOURCE

/*
* 工厂模式
*/ 
function createObj (name, age) {
  var obj = new Object()
  obj.name = name
  obj.age = age
  obj.run = function () {
    return this.name + this.age + '运行中'
  }
  return obj
}

var box1 = createObj('xiaoming',24)

/*
* 构造函数模式
*/

function Box (name,age) {
  this.name = 'haha'
  this.age = 25
  this.height = 123
  this.run = function () {
      return this.name + this.age + '运行中'
    }
}

var box2 = new Box()

/*
* 字面量创建构造函数的原型对象
*/ 
function Obj(){}
Obj.prototype = {
  constructor: Obj,
  name: 'huchuan',
  age: 23,
  run: function () {
    return this.name + this.age + '运行中'
  }
}

var box3 = new Obj()



/*
*  组合构造函数模式+原型模式
*/ 
function MixObj(name, age) {
  this.name = name
  this.age = age
  this.family = ['mom','dad','sister']
}
MixObj.prototype = {
  constructor: MixObj,
  run : function () {
    return this.name + this.age + '运行中...'
  }
}

var box4 = new MixObj('huchuan',24)

/*
  将原型封装到构造函数
*/ 

function ProtoInFun (name,age) {
	this.name = name
  this.age = age
  if(typeof this.run != 'function'){
    ProtoInFun.prototype.run = function () {
    	return this.name + this.age + '运行中...' 
  	}
  }
}

ProtoInFun.prototype.run = function () {
  return this.age + this.name + '运行中...' 
}

var box6 = new ProtoInFun('wangli', 333)











function Grandpa () {
  this.name = 'leon'
  this.like = 'movie'
  this.height = 123
}
function Dad () {
  this.height = 158
}
function Son () {
  this.run = function () {
    alert('hello world')
  }
}
Son.prototype.like = 'film'

var GrandSon = {
  weight: '23kg'
}
Dad.prototype = new Grandpa()
Son.prototype = new Dad()
var son = new Son()

alert(son.weight)