"How to start with Backbone.js: A simple skeleton app" first sentence: "You need a solid knowledge of JavaScript, familiarity with Backbone, Ruby, HAML, SASS and CoffeeScript to find this writeup useful." Feels like an awful lot of prereqs for a starter. I don't expect to be spoon-fed JavaScript basics, but I feel like too many Backbone guides presume some understanding of Backbone before starting with something that…
If you're going to study Backbone, it might be better to just study Backbone, using standard HTML/CSS/JS instead of HAML/SASS/Coffee. That would simplify the prereqs a bit and make it a little more accessible. But on the other hand, if you're at the point where you have a practical need to learn Backbone, it's sort of assumed that you're a web developer and should already be familiar with HAML, SASS, and Coffee. So I guess it's a judgement call by the author.