本内容遵循CC 4.0 BY-SA版权协议 写 JavaScript 这么多年，我发现自己天天都在跟对象打交道，但真要说把所有 Object 方法都背下来，还真不一定行。最近整理旧项目时，我把 Object 相关的 API 从头到尾过了一遍，踩了不少坑，也理顺了很多原本模糊的知识点。这篇就当 ...

1. 理解JavaScript拦截与代理的核心机制 现代前端开发中，对象操作拦截与代理已经成为高阶开发的必备技能。Proxy和Reflect这对黄金组合最早出现在ES6规范中，但直到最近几年才被广泛运用于实际项目。我在多个大型前端架构中深度应用这套机制，发现它能优雅解决许多传统方案难以处理的场景。

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