数组的 Array.prototype.forEach() 虽然方便，但默认只能从左向右遍历。当需要倒序处理数组元素时，常见的思路是使用 for 循环，但更优雅的做法是利用 Array.prototype.slice()、Array.prototype.reverse() 与 Array.prototype.forEach() 的组合，一步完成“不修改原数组的逆序遍历”。
谓词参数顺序的约定 文档明确约定 fn (v, k) —— 值在前、键在后。 这与 Array.prototype.filter ( (element, index, array)) 的"元素在前"惯例一脉相承，也和仓库中同类工具保持一致：例如 find-matching-keys.md 中的 findKeys (obj, fn) 回调同样接收 (value, key, obj) 三参数。
IT之家 9 月 7 日消息，在今天的小米秋季旗舰新品发布会上，小米创办人、董事长兼 CEO 雷军发布了玄戒 O100 芯片。 据介绍，玄戒 O100 是 1.22TB/s 高带宽 AI 加速芯片，全球首款 6nm 3D 晶圆级堆叠先进封装，辅以先进混合键合工艺，键合间距逼近物理极限。 IT之家从 ...
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