js為一個對象Object添加一個新的屬性和值

1,

var obj = {}; //或者 var obj=new Object();
var key = "name";
var value = "張三豐"
obj[key] = value;

2,

var obj = {};
var key = "name";
var value = "張三豐"
eval("obj.p" + key + "='" + value + "'");

原地址:https://blog.csdn.net/u011127019/article/details/59112030/