准备 JS 面试时的轻量离线代码运行需求

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评论者在准备 JavaScript 面试时发现在线 playground 打开浏览器就会被网络内容分心，而离线编辑器又往往像完整的 IDE 一样重，于是需要一种无需 Node.js、VS Code、npm、打开即可运行 JavaScript 的轻量离线工具。

This idea came while I was preparing for a JavaScript interview. There are plenty of online JavaScript playgrounds, but I found them surprisingly distracting—you open the browser to code, and the internet is right there to pull your attention elsewhere. Offline editors, on the other hand, often feel like full-blown IDEs when all I wanted was something simple. So I built Offline JavaScript Playground: a focused JavaScript editor and runner that works entirely offline. No Node.js, no VS Code, no