var obj = {} 或 var obj = new Object()
//1.对象.属性 = 赋值
obj.aaa = 1
//2.对象[属性] = 赋值
obj["aaa"] = 1;
方法2中的属性可以为变量，例如
var a = "aaa";
obj[a] = 1;
==================== 删除
delete obj.aaa
delete obj["aaa"]The above is the detailed content of Js method to dynamically add and delete object properties. For more information, please follow other related articles on the PHP Chinese website!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
