In many other web frameworks you might have come across the logic of an Ajax call starting on the client. You would use jQuery, for instance, to create
XMLHttpRequest, call some URL on the server, and feed the server's result into a callback and process it.
With Lift, the Ajax call is also initiated on the client side of course, but it appears different. In Lift you use CSS selectors to bind Ajax functionality to frontend elements. Once you get this ...