A CoffeeScript Intervention (how to avoid common JS mistakes)

I'm the author. This is a short article in this month's PragPub (<a href="http://pragprog.com/magazines" rel="nofollow">http://pragprog.com/magazines</a>) to promote my new book on CoffeeScript:<p><a href="http://pragprog.com/titles/tbcoffee/coffeescript" rel="nofollow">http://pragprog.com/titles/tbcoffee/coffeescript</a>

Repost at <a href="http://news.ycombinator.com/item?id=2514564" rel="nofollow">http://news.ycombinator.com/item?id=2514564</a> attracted more discussion.