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javascript - 如何将对象更改为数组

问题描述

我有一个需要更改为数组的对象。最好的方法是什么？

var x = {
    vehicle: {
      manufacturer: "Volkswagen",
      carlineName: "Golf",
    }
}

我想要以下结果

var x = {
  vehicle: [
    {
      manufacturer: "Volkswagen",
      carlineName: "Golf",
    }
  ]
}

标签： javascript

解决方案

对于此示例，您可以编写：

var x = {
    vehicle: {
      manufacturer: "Volkswagen",
      carlineName: "Golf",
    }
}

x.vehicle = [x.vehicle]

console.log(x)

x.vehicle得到

{
  manufacturer: "Volkswagen",
  carlineName: "Golf",
}

方括号[ x.vehicle]将该值放入数组中：

[{
  manufacturer: "Volkswagen",
  carlineName: "Golf",
}]

我们想用这个新值重新分配 x.vehicle，所以我们使用x.vehicle = [x.vehicle]

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