CoffeeScript is a little language that compiles into JavaScript.
Underneath all of those embarrassing braces and semicolons, JavaScript has always had a gorgeous object model at its heart. CoffeeScript is an attempt to expose the good parts of JavaScript in a simple way.
It’s a language that simplifies the way of programming in JavaScript. The code compiles one-to-one into JavaScript code. The output will be formatted so that it’s readable by humans.
More information about CoffeeScript can be found here: http://jashkenas.github.com/coffee-script/
