[michaelsbradley]

Done.

http://www.emacswiki.org/emacs-fr/Ejacs

Ejacs is an Ecma-262 compliant JavaScript interpreter written entirely in Emacs Lisp. It should work in GNU Emacs versions 22 and higher.

[arethuza]

What about emacs in Linux in JavaScript? :-)

http://bellard.org/jslinux/

[sneak]

bahahahahaha.