And, indeed, this asynchronous behavior is what makes JavaScript—and Ajax, for that matter—so exciting for Web developers. No longer are we stuck with the modern equivalent of old-style 3270 terminals ...

Building on the new jQuery extensions for displaying multiple rows, Peter builds a page that retrieves data from a Web Service based on the user's input -- and filters the data in the client as well.

Google now renders and indexes client-side AJAX-style JavaScript POST requests. This is good news for those who use modern JavaScript to query online resource APIs and produce dynamic content in pages ...