前端学习笔记202310学习笔记第一百零玖天-vue3-链式调用&对象属性与遍历&this指向&caller_callee之6

var myLang={
    NO1:"HTML",
    NO2:"CSS",
    NO3:"TS",
    myStudyingLang:function(num){
        console.log(this['NO'+num])
    }
}
myLang.myStudyingLang(2)

运行结果