创建对象最常用的的方法

function Student(id,name){

this.id = id;

this.name = name;

this.scores= [

    {subject:"html",scpres:"90"},

    {subject:"JS",scpres:"90"},

]

}

Student.prototype.sex = "男";

Student.prototype.eat = function(food){

    console.log("吃"+food)

}

var stu = new Student(1000,"张三");

stu.eat("米饭");

console.log(stu.sex);

var stu = new student(1000,"张三");