I would say that from my point of view, the main best practices are:
1. document your code
2. use strict and warnings (at least when writing and testing the code)
3. before creating something big, look around - chances are, someone already did something similar, so you can reuse the code

As for the links to a "good" code, I would advise to look in the Code Catacombs - the approved code from the hardworking monks :)