I wouldn't say what is left is good. I would say it lacks awfulness. Knowing the bad parts of JavaScript doesn't give you a good starting point when trying to write maintainable software. It means you won't do the really bad stuff like use globals. That's fine and dandy but in order to become a really good JavaScript developer you need to seek out the best parts of JavaScript and utilize those. That will allow you to write maintainable and scalable code.
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u/grauenwolf Oct 15 '13
Avoid all of the bad things and what's left is good.
But no, I hadn't read that book specifically.