function Monkey(_type, _home){
  this.type = _type;
  this.home = _home;
  this.say = function(){
    console.log("我是一只猴子住在"+  this.home);
  }
}

function Magic_monkey(_type, _home,arr){
  Monkey.call(this, _type, _home);
  this.skill = arr;
}
var wukong = new Magic_monkey("猴子", "花果山", ["七十二变","筋斗云"]);
console.log(wukong.type + wukong.home + wukong.skill)
wukong.say()


function aaa(name, home){
  this.name = name;
  this.home = home;
}

aaa.prototype.say = function(){
  console.log("我是一只小猴子，我家住在："+this.home);
}

function bbb(_name, _home, _skill){
  aaa.call(this, _name,_home);
  this.skill = _skill;
}
bbb.prototype.say =function(){
  console.log("我的技能为：" +this.skill);
}

var pig = new bbb("猪", "圈", ["吃", "睡觉"]);
pig.say()

 
function Hero(type, home, weapon){
  this.type = type;
  this.home = home;
  this.weapon = weapon? weapon: "木有武器";
  this.skill = function(){
    console.log(this.type + "向敌人发起攻击")
  }
}

var user = new Hero("小站", "南方", "到");
console.log(user.type + user.home + user.weapon)
delete user.type;
delete user.home;
user.sex = '男';

for (var i in user){
  if(typeof(user[i]) == 'function'){
    console.log('方法-'+ i + ':' + user[i]);
  } else{
    console.log('属性-' + i +":" + user[i])
  }
}


function fn(){
  return function(){
    return "我是匿名函数"
  }
}

console.log(fn);
console.log(fn());
console.log(fn()())

function a(){
  var txt = "局部变量x";
  return function(){
    return txt;
  }
}

console.log(a()())

function add(){
  var num = 1;
  return function(){
    num++;
    console.log(num);
  }
}
var c = add();
c()
c()
c()


function class1(){
  var arr = [];
  for(var i =0;i<5; i++){
    arr[i] = "元素："+i;
  }
  return arr;
}
console.log(class1())

function class2(){
  var arr1 = [];
  for(var i =0; i<5; i++){
    arr1[i] = (function(){
      return '元素' + i
    })()
  }
  return arr1
}

console.log("arr1:" + class2());

function class3(){
  var arr2 = [];
  for(var i = 0;i<5;i++){
    arr2[i] = function(n){
      return function(){
        return '元素'+n;
      }
       /*return '元素' + n*/
    }(i)
  }
  return arr2
}
var bb = class3();
for(var i =0; i<5; i++){
 console.log(bb[i]())
}

var obj = {
  name: '111',
  get:function(){
    return this.name
  }
}

console.log("this:" + obj.get())

var title  = "测试this";
var newobj = {
  title: "111",
  get:function(){
    var _this = this;
    return function(){
     return _this.title
    }
 }
}

console.log("this:" + newobj.get()());