JavaScript 面向对象的3种常用写法

function Person(age){
    this.Age = age;
}
Person.Sex = "男";
Person.prototype.Say = function(){
    alert(Person.Sex + this.Age);
}
var person = new Person(10);
person.Say();

var Person = new Object();  
Person.Sex = "男";  
Person.Say = function(age) {  
       alert(this.Sex + age);
}  
  
Person.Say(12);

var Person={  
   "Sex":"男",  
   "Say":function(age){  
          alert(this.Sex + age);  
     }  
};

Person.Say(12);