前端学习笔记202308学习笔记第八十壹天-闭包18

function UserInfo(info){
    this.username=info.username;
    this.age=info.age
    this.getInfo=function(key){
        return this[key]
    }
    this.setInfo=function(key,value){
        this[key]=value
    }
}
const userInfo=new UserInfo({
    username:"geyao",
    age:"18"
})
 
console.log(userInfo.getInfo("username"))
console.log(userInfo.getInfo("age"))
console.log(userInfo.setInfo("username","fangfang"))
console.log(userInfo.getInfo("username"))
console.log(userInfo.getInfo("age"))