在使用forEach作为对象时如何获得对象？

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当前代码

priceHistory是具有对象的对象。

Object {
  "2020-05-17 10:43:45": Object {
    "created_at": "2020-06-17 10:43:45",
    "price": 1000,
  },
  "2020-05-17 10:43:51": Object {
    "created_at": "2020-07-17 10:43:51",
    "price": 2000,
  },
  "2020-05-17 10:43:56": Object {
    "created_at": "2020-08-17 10:43:56",
    "price": 3000,
  },
  "2020-05-17 10:44:01": Object {
    "created_at": "2020-09-17 10:44:01",
    "price": 4000,
  },
}

Object.keys(priceHistory).forEach((history) => {
  console.log(priceHistory[history]);
});

问题

When using forEach for priceHistory, console.log(priceHistory[history]); outputs

Object {
  "created_at": "2020-07-17 10:43:51",
  "price": 2000,
}
Object {
  "created_at": "2020-08-17 10:43:56",
  "price": 3000,
}
Object {
  "created_at": "2020-09-17 10:44:01",
  "price": 4000,
}
Object {
  "created_at": "2020-06-17 10:43:45",
  "price": 1000,
}

对象的顺序已更改。 你怎么解决呢？ created_at是字符串，price是数字。

如果您能给我任何建议，我将不胜感激。