js取object的key与value

xiaoxiao2025-07-12  4

var obj = {"name1":"张三","name2":"李四"};

1、js中想根据动态key得到某对象中相对应的value的方法有二:

一、var key = "name1";var value = obj[key];  二、var key = "name1";var value = eval("obj."+key);  

2、

   for(var p in obj){                   

                  console.log(p);//   取得是key值                    console.log(obj[p]);//取得是value值     } -

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