js uniapp 对象循环处理问题？

const obj = { a: { data: 1 }, b: { data: 2 }, c: { data: 3 } }

const newObj = {}

for (let [key, value] of Object.entries(obj)) {
  newObj[key] = value.data
}

console.log(newObj) // { a: 1, b: 2, c: 3 }