Editing htm, css and js Files on Mac
Support for Mac web template editing
Editing template files (plain text)
Support for editing Allwebco templates on Mac OS X computers. Follow the steps as outlined on the help.html
included with your download. You can use TextEdit for editing, or an HTML editing software
Although TextEdit works for editing .js, .css and .htm files on a Mac, there may be some issues using this editor.
In some OS X versions you may need to rename .js files to .txt files for editing. Example, rename the "copyright.js" to "copyright.txt". Make your edits, save the files, then rename them back to .js files. You can do the same with .htm files if you need to. See above links.
Mac Editing Overview
CoffeeCup HTML Editor