1,
var obj = {}; //或者 var obj=new Object();var key = "name";var value = "张三丰"obj[key] = value;2,
var obj = {};var key = "name";var value = "张三丰"eval("obj.p" + key + "=‘" + value + "‘");原地址:https://blog.csdn.net/u011127019/article/details/59112030/
js为一个对象Object添加一个新的属性和值
原文地址：https://www.cnblogs.com/cailijuan/p/9360541.html