John Resig - Ruby VM in JavaScript

HotRuby is a project which aims to port the Ruby Virtual Machine over to ECMAScript (allowing it to run, directly, in a browser using JavaScript or indirectly using ActionScript in Flash). Currently the code works by using Ruby 1.9's YARV (Yet Another Ruby VM) to compile down a Ruby script into opcodes, which are then serialized and passed to the browser for execution. It's a little bit indirect but it still capable of creating a compelling result. If you were to run one of the examples in your browser the...

http://ejohn.org/blog/ruby-vm-in-javascript/

HotRuby
マジですか…！
ktkr
HotRuby が Resig さんに取り上げられてる！

http://b.hatena.ne.jp/entry/http://ejohn.org/blog/ruby-vm-in-javascript/