Documenting your code is somewhat like testing; we all know we should do it, we’re not really sure how, and most folks, if we're honest, simply don’t, but those who do are huge proponents of it. This tutorial will get you up to speed on one of the best ways to tackle it: YUIDoc. What is YUIDoc? YUIDoc will generate API documentation based on comments that you write. YUIDoc is a NodeJS app that wil