异步编程是 JavaScript 开发中绕不开的核心课题：无论是 Node.js 中的文件读写、网络请求，还是浏览器端的图片加载、fetch 调用，都需要妥善管理回调、并发与错误处理。Async 是一个专门为这类场景设计的工具模块，提供了直接、强大且经过充分测试的异步流程 ...

一旦理解了这一点，很多 Java 特性都会更容易理解。 Callbacks、event handlers、function factories、private state、异步代码，以及一些经典的循环问题，都不会再那么神秘。 Closure 并不是加在 Java 之上的某种特殊技巧。 它是 lexical scoping + first-class functions的自然结果。

本文介绍 Flow 的注释型语法（Comment-based Syntax）：通过 /*: */、/*:: */ 与 /*flow-include 三种特殊注释，把 Flow 专属的类型语法内嵌在普通 JavaScript 块注释中，使代码无需经过剥离 Flow 语法的构建步骤即可直接运行。该特性最早随 Flow 0.4.0 引入（详见仓库中的 历史公告 ...

When writing JavaScript, you encounter callback functions almost every day. map, filter, addEventListener, setTimeout, Promise's then... the list goes on and on. There is a point I always keep in mind ...

The "Chofu Today" section on the top page is a bulletin board that summarizes the date, remaining days in the year, holidays, ...

I argued that a drone simulator should be easy to open as a URL, without becoming a toy. This is the architectural decision ...

Your daily flight simulation news roundup for October 1, 2026, including updates on add-ons for Microsoft Flight Simulator ...

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Apple iOS zero-day CVE-2026-86950 was actively exploited in targeted attacks on iPhones before rival Meta's security team ...