See, thats the thing though. There's so many ways to do something, with multiple competing standards on how to do it, along with plenty of quirks and ways of working with it you only understand by experience. This is good, when you already know exactly what you need and what that provides, but its impossible to keep up unless you're spending a lot of time testing and researching, and even still, at the end of the day you've gotta make the application.

One of those 'it takes a village' to make a good JS app.

a village?! Come on healthcare.gov ...