前端学习笔记202308学习笔记第八十贰天-闭包28

class UserInfo{
    constructor(info){
        this.username=info.username;
        this.age=info.age
    }
    getInfo=(key)=>{
        return this[key]
    }
    setInfo=((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"))

运行结果