风趣的JavaScript面向对象入门课程一

 1 Var zhangsan = {
 2 
 3 Name : “zhangsan”,
 4 
 5 Age : 29,
 6 
 7 //创建一个introduce函数，用于返回张三的姓名
 8 
 9 introduce.function(){
10 
11 return zhangsan.name;
12 
13 }
14 
15 }

 1 Var zhangsan = new Object();
 2 
 3 zhangsan.name = “zhangsan”;
 4 
 5 zhangsan.age = 29;
 6 
 7 zhangsan.introduce = function(){
 8 
 9 return zhangsan.name;
10 
11 };
12 
13  

1 Document.write(zhangsan.name+zhangsan.age);或者
2 
3 Alert(zhangsan.introduce());

 1 Function CreateCar(engine,tire){
 2 
 3 Var car = new Object();
 4 
 5 car.engine=engine;
 6 
 7 car.tire   = tire;
 8 
 9 return car;
10 
11 }

Var Audi = CreateCar（”four-engine”,”four-tire”）；

 1 Function CreateCar(engine,tire){
 2 
 3 this.engine=engine;
 4 
 5 this.tire=tire;
 6 
 7 this.drive = function(){
 8 
 9 document.wirte(this.engine+this.tire);
10 
11 };
12 
13 }

1 Var Audi = new car（”four-engine”,”four-tire”）；
2 
3  
4 
5 Alert（Audi instanceof car）；

1 Function sayName(){
2 
3    Document.write(this.name);
4 
5 }

    Person.prototype.sayName = function (){

        document.write (this.name);

};

Function sayName(){

   Document.write(this.name);

}

personA.sayName = function(){

    document.write("personA:"+this.name+"<br/>");

}//对父对象中的方法进行复写，personA是person函数实例化出的一个新对象