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let arr = ['AA,BB,CCC','BB,CCC,AA'];
上面数组里面两个字符串'AA,BB,CCC'和'BB,CCC,AA';它们两个是相等的,只是顺序不一样,如果要进行比较它们相等的话,应该要怎么比较呢?我自己写的代码太复杂了


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都是字符串?那直接排序再 toString 就好了。

'AA,BB,CCC'.split(',').sort().toString() === 'BB,CCC,AA'.split(',').sort().toString();

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