... registration when it’s appropriate 85Thinking Ajaxiandesigning ajax applications2Welcome to Ajax apps—it’s a whole new web world. So you’ve built your first Ajax app, and you’re already thinking ... of a Head First reader as a learner.So what does it take to learn something? First, you have to get it, then make sure you don’t forget it. It’s not about pushing facts into your head. ... have some experience. If not, go get a copy of Head First HTML and CSS, today, and then come back and get this book.)11Are you a kick-butt Ajax or web developer looking for a reference book?22Are...