const obj = {}
      const arr = []
      const fn = function () {}

      obj.a = '雪月'
      arr.b = '雪月欧巴'
      fn.c = '雪月欧尼酱'

      console.log(obj.a) // 雪月
      console.log(arr.b) // 雪月欧巴
      console.log(fn.c) // 雪月欧尼酱