javascript 对象继承图

constructor

Age=30

__proto__

Object()

注：personA.Name=undefined personA.Age=30

Object

prototype

Function()

Person

personA:new Person()

Father

function Person(){}; Person.Name = \"ren\";Person.prototype.Age=30;var personA = new Person();function Father(name){ this.Name=name;};

Person.prototype

function Person(){}; Person.Name = \"ren\";Person.prototype.Age=30;var personA = new Person();function Father(name){ this.Name=name;};Father.prototype= personA;//new Person();Father.prototype.constructor = Father;var fatherA = new Father()

Function

Father.prototype

Javacript中最重要的两个对象Object和Function

Name=\"ren\"

function Person(){}; Person.Name = \"ren\";Person.prototype.Age=30;

原始对象 Object

X

fatherA:new Father()

function Person(){}; Person.Name = \"ren\";Person.prototype.Age=30;var personA = new Person();

注：这里没有__proto__