本篇指南围绕 jstips 仓库中的第 33 期技巧（_posts/en/javascript/2016-02-02-create-range-0-n-easily-using-one-line.md）展开，系统讲解如何用一 ...

本内容遵循CC 4.0 BY-SA版权协议 先明确“我要遍历哪一类属性”，再选择 API：日常业务优先 Object.keys，需要原型链用 for…in，需要完整自身属性用 Reflect.ownKeys。 理解遍历 API 之前，先记住三个维度。 own 是 obj 的自身属性。inherited 虽然可以通过 obj.inherited 访问 ...

作者 ｜ Daniel Curtis译者 ｜ 田橙Vercel Labs 发布了 scriptc。这是一款采用 Apache 2.0 许可证的实验性编译器，可以将普通 TypeScript 转换为小型原生可执行文件，生成的二进制文件中不包含 Node、V8 或任何 JavaScript 引擎。该代码仓库创建于 2026 年 7 月 22 日，目前已获得约 4900 个 Star。scriptc 使 ...

作者 | Nik Kale译者 | 张卫滨核心要点将 MCP 安全视为四个控制层而非单一的协议特性。执行、基础设施管理、出站信任与语义完整性都需要对应的强制执行点。使用网关进行认证、授权与审计，但不要指望它能检测语义滥用或保护管理平面。在注册时对工具 ...

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AssemblyAI published a JavaScript tutorial for a browser voice assistant using its Voice Agent API, WebSocket tokens and AudioWorklet audio handling.