MozRepl enables you to directly evaluate JS code written in Emacs in Mozilla — without any reloading
From the README:
This extension lets you write Javascript code in Emacs and have it evaluated in a running Mozilla immediately. You will be able to: Send lines of code from an interaction buffer. Send regions of code from Javascript sources. Send the block the cursor is in (a function or other brace-delimited area) from Javascript sources.
This extension lets you write Javascript code in Emacs and have it evaluated in a running Mozilla immediately. You will be able to:
via the XUL Weblog.