Ajax has grown so prevalent that it is difficult to find an application that does not use it to some level. Gmail, Google Maps, Google Docs, YouTube, Facebook, Flickr, and other large-scale Ajax-driven internet services are examples.
AJAX with jQuery
However, jQuery simplifies the task of implementing Ajax by accounting for browser variations. It provides basic methods such as load(), $.get(), $.post(), and so on to construct Ajax that works across all browsers.
In the next chapters, you will learn how to load data from the server and transmit and receive data using the HTTP GET and POST methods with jQuery Ajax.