function sms() {

	var count = 60;

	return {

		start: function() {

			if(count == 0) {

				count = 60;

				document.getElementById("time").innerHTML = count;

				return;

			} else {

				document.getElementById("time").innerHTML = count;

				count--;

			}

			var that = this;

			setTimeout(function() {

				that.start();

			}, 1000)

		},

		stop: function() {

			count = 60;

		}

	}

}

var sms = sms();

sms.start();

var data= {

	 msg: "Helloween "

};

 (function(dm){

	console.info(dm.msg)

})(data);

var person = function(){

    //变量作用域为函数内部，外部无法访问

    var name = "default";       

    return {

       getName : function(){

           return name;

       },

       setName : function(newName){

           name = newName;

       }

    }

}();    

print(person.name);//直接访问，结果为undefined

print(person.getName());

person.setName("abruzzi");

print(person.getName());

function Person(){

    var name = "default";       

    return {

       getName : function(){

           return name;

       },

       setName : function(newName){

           name = newName;

       }

    }

    };   

    var p = new Person();

    p.setName("Tom");

    alert(p.getName());

    var Jack = function(){};

    //继承自Person

    Jack.prototype = new Person();

    //添加私有方法

    Jack.prototype.Say = function(){

        alert("Hello,my name is Jack");

    };

    var j = new Jack();

    j.setName("Jack");

    j.Say();

    alert(j.getName());