指向构造函数的属性值

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function Person(name , age , job){
　　this.name = name;
　　this.age = age;
　　this.job = job;
　　this.sayName = function(){
　　　　alert(this.name);
　　};
}
var person1 = new Person("aaa",29,"singer");
var person2 = new Person("bbb",30,"doctor");

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person1 = Person {name: "aaa", age: 29, job: "singer"};

person1.name = "aaa";

指向构造函数的属性值

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原文地址：http://www.cnblogs.com/kivenlv/p/5759365.html