Jumping in to the source code of a popular library and seeing how the sausage is made is a great way to level-up on your journey to JavaScript badassery. But reading through 10K lines of highly refined code can be a daunting task.
One solution is an “annotated source” (seen in libraries like Underscore.js and Backbone.js), which makes source code much more accessible by making the accompanying comments easier to read.
