When comparing CoffeeScript Ristretto vs CoffeeScript.org, the Slant community recommends CoffeeScript.org for most people. In the question“What are the best resources to learn CoffeeScript?” CoffeeScript.org is ranked 2nd while CoffeeScript Ristretto is ranked 4th. The most important reason people chose CoffeeScript.org is:
The site also provides an interpreter right on the page, which will let you run CoffeeScript in your browser, and show you the equivalent JavaScript as you type.
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Pros
Pro Beginner-friendly
The first half of the book covers the basics concepts in-depth, before moving on to the more advanced CoffeeScript capabilities.
Pro A respected author
Reginald Braithwaite is well known and respected in the dev community.
Pro Provides an in-browser interpreter so you can practice while you learn
The site also provides an interpreter right on the page, which will let you run CoffeeScript in your browser, and show you the equivalent JavaScript as you type.
Pro Excellent resource for those already familiar with JavaScript
If you're already familiar with JavaScript, The official CoffeeScript website is an excellent resource for picking up CoffeeScript - the main page provides a quick reference for all of the language's features, complete with examples, side-by-side with their JavaScript equivalents.
Pro Provides clearly annotated source
If you're the type who likes to really dive into the details of the tools you use, the CoffeeScript website also provides clearly annotated source for the language itself, to clear up any questions you might have.
Cons
Con Not a lot of practical examples
The balance between between academic and practical code examples leans heavily on the side of academic.
Con Site design/format can be hard to follow
All the content is listed on one web page, with very little white space breaking lessons apart. It can be a bit difficult to follow.