YouTube: CoffeeScript Rocks (in NetBeans IDE)
By Geertjan-Oracle on Nov 02, 2013
Right now, the NetBeans Plugin Portal doesn't have a CoffeeScript plugin for NetBeans IDE 7.4, but not to worry, the NetBeans IDE 7.3 plugin works just fine.
Here's a small YouTube clip I made today showing how it all works:
Also read this very handy and detailed NetBeans tutorial, on which I based the demo above: