... 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. ... need to be advanced, but you should definitely 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 ... unencodes POST data 459We need to TELL the server what we’re sending 460Set a request header using setRequestHeader() on your request object 462Someone’s watching you. Right now. Seriously. Freedom...