Object.entries 用法记录

const obj = {
  110101: '东城区',
  110102: '西城区',
  110103: '崇文区',
  110104: '宣武区',
  110105: '朝阳区'
}
const arr = Object.entries(obj)
console.log(`arr->`, arr)
console.log(`================`)
arr.forEach(item => {
  console.log(`item->`, item)
  let [key, value] = item
  console.log(`key->`, key)
  console.log(`value->`, value)
})