87,955
社区成员
![](https://csdnimg.cn/release/cmsfe/public/img/topic.427195d5.png)
![](https://csdnimg.cn/release/cmsfe/public/img/me.40a70ab0.png)
![](https://csdnimg.cn/release/cmsfe/public/img/task.87b52881.png)
![](https://csdnimg.cn/release/cmsfe/public/img/share-circle.3e0b7822.png)
var people={"01":"X","02":"XX","03":"XXX"}
var people={"01":"X","02":"XX","03":"XXX"};
for(key in people){
alert(key+'='+people[key])
}
var key = "01";
people[key]
var people={"01":"X","02":"XX","03":"XXX"};
var key = "01";
alert(people[key]);