这篇文章我就把 JavaScript 里的数据类型转换从头到尾梳理一遍。不光是背规则，我会把每条规则背后的运行机制、典型应用场景、容易踩的坑全讲清楚。无论你刚入门还是写了好几年代码，只要在使用 + 、 == 、 Number () 、 Boolean () 这些语法时犹豫过，这篇文章就适合你。

如果用JavaScript写，TypeScript SDK的类型检查会在编译期就报错，因为 register 函数的参数类型无法推断。 更致命的是，Cursor的插件沙箱在加载时会做静态分析：扫描AST提取 getPromptTemplates 方法的返回值类型，如果发现是 any 或 object ，直接拒绝加载——这正是很多“harness failed to load ...

Next-generation open source wiki. This is the 3.x development branch — incomplete, unstable, and with no upgrade path from 2.x. AGPL-3.0. Nothing here has to stay compatible with an existing ...

rjs_lite is a lightweight script execution runtime for AI agent workflows. Its first execution language is a Rust-native JavaScript subset designed for short-lived, high-frequency local tool calls.