function Sprite(){

    //函数内容部设置属性

    this.name='shimily';

}

//原型上设置方法

Sprite.prototype.show=function(){

    console.log(this.name);

}
//【尽量不要在原型上面添加公共属性】
//公共的属性或常量可以在原型上面设置

Sprite.prototype.PI=3.1415926;
var s = new Sprite();

s.show();

function Sprite2(name,age){

    //函数内容部设置属性

    this.name=name;

    this.age=age;

}

//原型上设置方法
Sprite2.prototype.show=function(){

    console.log(this.name);

}

var s2 = new Sprite2('shimily1314',20);

s2.show();    

function Sprite3(options){

    //函数内容部设置属性

    this.name=options.name;

    this.age=options.age;

}

//原型上设置方法

Sprite3.prototype.show=function(){

    console.log(this.name);

}

var s3 = new Sprite3({

    name:'shimilygood',

    age:20
});

 s3.show();

function Sprite4(options){

   //函数内容部设置属性

   this._init(options);

} 

Sprite4.prototype._init=function(options){

   this.name=options.name;

   this.age=options.age;

   this.color=options.color;

}

  //原型上设置方法

Sprite4.prototype.show=function(){

   console.log(this.name);

}

var s4 = new Sprite4({

   name:'shimilygood123',

   age:20

});

s4.show();

function Sprite5(options){

   //函数内容部设置属性

   this._init(options);

} 

Sprite5.prototype={

   _init:function(options){  //只允许内部调用的方法【仅内部调用】

      this.name=options.name;

      this.age=options.age || 20;

      this.color=options.color || 'red';

      console.log(this.name);

   },

  show:function(ele){   //[可以不加参数]外部可以调用的方法不使用下划线

     console.log(this.name + ele);

  }

};

 var s5 = new Sprite5({

     name:'shimilygoodabc',

    age:20

});

s5.show('yang');

function Slider(container, opts){                        //属性设置

        this.$outer = $(container);

        this.$inner = this.$outer.children();

        this.$prev = $(opts.prev);

        this.$next = $(opts.next);

        this.$els = this.$inner.children();

        this.total = this.$els.length;

        this.w = this.$els.outerWidth(true);

        this.timer = null;

        this.isSliding = false;

        this.autoplay = opts.autoplay || false;

        this.init();                                     //对外接口

    }

    var proto = Slider.prototype;                        //原型中封装方法

    proto.init = function(){

        var self = this;

        var $last = this.$els.eq(this.total-1);

        if(this.total<6){

            $last = this.$els.clone().appendTo(this.$inner).eq(this.total-1);

            this.total *= 2;

        }

        $last.prependTo(this.$inner);

        this.$inner.css('marginLeft', -this.w);

        console.log(this.$next)

        this.$prev.on('click', function(){

            self.prev();

        })

        this.$next.on('click', function(){

            self.next();

        })

        this.$outer.on('mouseenter', function(){

            clearTimeout(self.timer);

        })

        this.$outer.on('mouseleave', function(){

            self.auto();

        })

        this.auto();

    }

    proto.prev = function(){

        if(this.isSliding) return;

        this.isSliding = true;

        var self = this;

        this.$inner.animate({

            marginLeft: 0

        }, 500, function(){

            self.$inner.children().eq(self.total-1).prependTo(self.$inner);

            self.$inner.css('marginLeft', -self.w);

            self.isSliding = false;

        })

    }

    proto.next = function(){

        if(this.isSliding) return;

        this.isSliding = true;

        var self = this;

        this.$inner.animate({

            marginLeft: -this.w*2

        }, 500, function(){

            self.$inner.children().eq(0).appendTo(self.$inner);

            self.$inner.css('marginLeft', -self.w);

            self.isSliding = false;

        })

    }

    proto.auto = function(){

        if(!this.autoplay) return;

        var self = this;

        function delay(){

            self.timer = setTimeout(function(){

                self.next();

                delay();

            }, 5000)

        }

        delay();

    }

//实例化

new Slider('.slideOuter',{

    prev: '.prev',

    next: '.next',

    autoplay: true

});