Boluo
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Boluo
楼主你好,我发现你的 flatten() 有点问题: 先看 underscore 的: ```JavaScript const _ = require('underscore'); console.log(_.flatten([1, [2, [3, 4]], 5], false)); // [ 1, 2, 3, 4, 5 ] console.log(_.flatten([1, [2, [3, 4]], 5],...