本内容遵循CC 4.0 BY-SA版权协议 异步迭代这件事，说穿了就是一句话： 数据不是一次性到齐的，而是一个一个、一批一批地流过来，你的代码要能一边等、一边收、一边处理 。不管是 Python 里的 async for，还是 JavaScript 里的 for await...of，解决的都是这个核心痛点。

最近由于 pi 通过 codemode 引入了 MCP 的调用，再次引发了关于 codemode 的讨论。其实在过去一段时间，随着基模能力的提升，codemode 已经成为了生产级 coding agent 的事实标配。 Codemode ...

原创 最新推荐文章于 2026-09-19 20:08:51 发布 · 624 阅读 JavaScript 是单线程的语言，却能够高效地处理网络请求、用户交互、定时器等“耗时”操作，这背后全靠一套精妙的异步编程模型。很多人会用 Promise 和 async/await，但未必清楚事件循环里微任务和宏任务如何 ...

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