Cloud9-userscript is a project mainly written in JavaScript, it's free.
Extend the Cloud9 editor with a client-side script.
Go to the Cloud9 client/ext
directory and clone this repository:
git clone https://github.com/pufuwozu/cloud9-userscript.git userscript
From the Cloud9 root directory, edit server/cloud9/ide.js
and add this to the
Ide.DEFAULT_PLUGINS
array:
"ext/userscript/userscript",
Click the side button and type in your script:
Press Control+Shift+E
to save and evaluate the user script.