本篇技术指南以 30-seconds-of-code 仓库中的 fibonacci.md 为核心，讲解如何用 JavaScript 生成 包含前 n 项的斐波那契数列数组 ，并对比迭代与递归两种实现方案的原理、性能差异与适用场景。读完本文，你将能够写出两种可复用的 fibonacci (n) 实现，理解递归基准情形（base case）的设定技巧，并掌握针对递归 ...

这篇文章不是从零讲语法，而是把我做这个项目时的完整思路沉淀一下：从棋盘和方块的抽象、Canvas渲染、主循环控制，到旋转算法、碰撞检测、消行逻辑，再到计分、等级、状态机，最后把我真实调试时踩过的坑整理出来。如果你打算用HTML加JavaScript做一个能直接在浏览器里跑的俄罗斯方块，或者 ...

站在十年的时间节点回望，2016 年知乎专栏「古董电脑室」的起点，其实并非一个怀旧的「博物馆」，而是一个试图在商业上寻找切口的「最小可行产品」（MVP）。然而，这场始于「市场验证」的创业实验，在随后的十年里，撞上了中国独特的社群生态与商业现实，最终将我推向了一个完全意想不到的方向，并彻底改变了我对「技术」和「收藏」的理解。

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