前端的设计模式 -- 工厂模式

function Person(name, age){
    var person = new Object();
    person.name = name;
    person.age = age;
    person.printName = function(){
        console.log(this.name);
    };
    person.printAge = function(){
        console.log(this.age);
    }
    return person;
}

var person = Person('xin',22);