本篇技术指南基于 30-seconds-of-code 仓库中的 JavaScript 代码片段 expandTabs，讲解如何用正则表达式与字符串方法把字符串中的制表符（Tab）批量转换为指定数量的空格，并深入剖析其底层原理、边界情况与实战变形。读完本文，你将掌握 String.prototype.replace()、String ...

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文章浏览阅读140次。2026年9月1日到11日，海内外7家头部模型厂商迭代了新模型。过去大模型的升级周期以年计算，后来缩短到几个月，如今已经开始以周为单位。据OpenRouter平台数据，DeepSeek V4.1 Flash在发布24小时内被处理了约1万亿Token。当模型迭代进入“周更时代”，一个越来越尖锐的工程问题浮出水面：你的应用架构，跟得上这个节奏吗？

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