//原型链
//Student.prototype
//console.dir(stu.__proto__===Student.prototype)
1.//console.dir(Student.prototype.__proto__===people.prototype)//Student.prototype=now people
//console.dir(stu.__proto__.__proto__===people.prototype)//原型链
//console.dir(people.__proto__.__proto__)
console.dir(stu.__proto__.__proto__.__proto__.__proto__)
//console.dir(stu.__proto__.__proto__.__proto__)
// Student.prototype
// people.prototype
// Object.prototype
// null
2.
function people(name){//1
this.name=name;
}
people.prototype.showName=function(){
console.log(this.name);
}
function Student(){//2
}
Student.prototype=new people("zhanpeng");//Student.prototype赋值成new people
Student.prototype.study=function(){
console.log("学习");
}
var stu=new Student();//找出特定的学生
// stu.study();
// stu.showName();