But you already knew that, right? These days, in fancy AJAX applications, you frequently want a link on a page to just do asynchronous things. You don't actually want the link to go anywhere. Let's just ignore the fact that this goes against progressive enhancement okay? Can I see your ID please? So sometimes the link is important enough, and you throw an id on it and you can do this in jQuery. $('#important-link").click(function() { alert('trol…

You need to start caring about a few things. Now. Code style Looking through code, you see all sorts of things. Some of them are good. Some of them are downright amazing pieces of code. Some of them are horrible. Some of them are so bad you feel your grip tensing around the keyboard and you have to restrain yourself so you don't snap the bloody thing in half. They might be bad decisions. They might be caused by someone who didn't have the knowle…