json添加、删除、遍历属性

1. <script>
2. var obj={"age":12,"name":"huangbiao"};
3. alert(obj.age);
4. alert(obj.name);
5. //添加属性
6. obj["sex"] = "boy";    或  obj.sex="男";
7. //遍历JSON对象
8. for(var index in obj){
9. alert(index);
10. alert(obj[index]);
11. }
12. //删除JSON属性
13. delete obj.age;
14. alert(obj.age);
15. </script>

　　//json 数组对象

var productArr = [
{"pName":"笔记本","price":"4800","address":"广东富山"},
{"pName":"鼠标","price":"50","address":"北京"},
{"pName":"空调","price":"1300","address":"格力"}
];

//添加对象

productArr.push({"pName":"sssssss","price":"1300","address":"格力"});