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This topic created in 3439 days ago, the information mentioned may be changed or developed.
就是元素不可重复，判断是否在集合中花费 logn 时间，的那个 Set
找到了这个： https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set 但是这个是 ES6
github 上也找不到
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1
Kokororin Nov 30, 2016
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2
otakustay Nov 30, 2016
随便找个 es6 的 shim 用着就行了
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3
FrankFang128 Nov 30, 2016
对象的 key 不就是集合吗
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4
starvedcat OP |
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