老师是这样吗，如果我要在页面上打印出来怎么办

function Student(privateStore){

    var privateStore={};

    function _set(name,sex,age){

        privateStore.name=name;

        privateStore.sex=sex;

        privateStore.age=age;

    }

    this.set=function(name,sex,age){

        return _set(name,sex,age);

    }

    function _get(){

        return privateStore;

    }

    this.get=function(){

        return _get();

    }

}

var student1=new Student();

student1.set("张宇","男",18);

// var zhangyu=student1("张宇","男",18);

var studentget=student1.get;

var zhangyu=studentget();

console.log(zhangyu);