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CoffeeScript is a little language that compiles to JavaScript. It adds useful features and smoother syntax while compiling to clean, readable JavaScript. You can use it anywhere you use JavaScript: in the browser, or on the server with Node.js.
CoffeeScript has exploded in popularity since April 2011. It was talked about in every other presentation at JSConf. It’s made enough waves that some language features popularized by CoffeeScript are planned for inclusion in future versions of JavaScript itself.
In 75 minutes, you’ll learn not only how to use CoffeeScript, but also how to write code in clean CoffeeScript style. You’ll build a cash register application in test-first fashion.
Thanks to technical editing from CoffeeScript author Jeremy Ashkenas and committer Michael Ficarra, you’ll get authoritative insights into the best ways to write and use CoffeeScript!
You’ll learn to:
CoffeeScript is the default front-end language for new applications in Rails 3.1 and is useful for all kinds of client and server applications. Get started today!
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Includes a typed transcript.






Basic knowledge of JavaScript will help, but isn’t required. If you’re comfortable with any scripting language such as Ruby, Python, or Perl, you’re ready to watch this screencast.
Revision 1 (Notes) · Updated: May 12, 2011 · Length: 75 min · 120 MB
“The animations in the CoffeeScript PeepCode episode nail Coffee's best feature, noisy syntax just fades away.” Josh Peek, Co-Author of CoffeeScript-based Pow server
“New CoffeeScript screencast by PeepCode is very very good. Best so far!” Michael Levin
“The animations showing the transformation of ordinary JS to CoffeeScript are a stroke of genius.” Lessien
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