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js中如何快速获取json对象的最后一项的值 #90

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Seasons123 opened this issue Aug 28, 2018 · 0 comments

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Seasons123 commented Aug 28, 2018

没办法。
Key-Value数据结构是无法保证其顺序的，不管是 for...in 还是其它任何迭代方法，若你真保证数据有效性，还是使用 Array 吧。

一个获取的写法：data[Object.keys(data)[Object.keys(data).length - 1]]

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