The 11 JavaScript mistakes you're making
Traditionally I’ve not really had much of an affinity towards JavaScript. I’ve used it because I have to. But as my experience with programming languages has matured more generally, I’ve developed more of a respect for JavaScript and a desire to learn it more thoroughly.
If you’re trying to learn JavaScript, you can do worse than to have a read of this Nettuts+ article, the 11 JavaScript mistakes you’re making, which details some common gotchas and best practice.