$ sudo npm install coffeescript
$ sudo npm install -g coffeescript

If want to update the coffeescript package execute the command as below,

$ sudo npm update coffeescript

Update package globally,

$ npm install -g coffeescript

Git clone:

$ sudo  git clone https://github.com/rektide/coffeescript.git

$ sudo  npm install -g ./coffeescript

coffeescript@2.0.2 /usr/lib/node_modules/coffeescript

How to remove coffeescript package :

You can uninstall or remove this package from your node_modules run the command as below,

$ sudo npm uninstall coffeescript

Basic Information of coffeescript NPM Package: