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…