js.js 是一个用 JavaScript 编写的 JavaScript 解释器
Instead of trying to create an interpreter from scratch, SpiderMonkey is compiled into LLVM and then emscripten translates the output into JavaScript.
项目主页:http://jterrace.github.io/js.js/
下载地址:https://github.com/jterrace/js.js
来自:开源中国社区

