Perhaps browsing items on Stackoverflow tagged "Javascript"? If you've read The Good Parts (&etc.) and you're comfortable with closures in JS, you'll already be

Perhaps browsing items on Stackoverflow tagged "Javascript"? If you've read The Good Parts (&etc.) and you're comfortable with closures in JS, you'll already be familiar with a lot of the stuff there. Still, you'll find things like http://stackoverflow.com/questions/2628672/what-should-every-javascript-programmer-know http://stackoverflow.com/questions/2628672/what-should-every... , which probably contains something you might not know or have seen before. Good luck to you! Khan Academy is amazing.