js 对象操作

var a={"id":1,"name":"danlis"};
//添加属性
a.age=18;
console.log(a);
//结果：Object { id: 1, name: "danlis", age: 18 }
//修改属性
a.age="我怎么知道";
//结果：Object { id: 1, name: "danlis", age: "我怎么知道" }
 
delete a.age;
//结果：Object { id: 1, name: "danlis" }