March 2007
Intermediate to advanced
623 pages
16h 47m
English
Content preview from Professional Ajax, 2nd Edition
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Chapter 16. Case Study: AjaxMail
One of the most popular Ajax applications is Gmail, a web-based e-mail system that incorporates a lot of Ajax techniques to create a seamless user experience. Gmail loads a single page and then makes changes to reflect user actions, eliminating almost entirely the "click-and-wait" experience of most web applications. There is a lot of back and forth with the server to retrieve information that the user never knows is occurring because of the system's design. Because Gmail is an excellent example of how to build an Ajax-based web application, this chapter focuses on developing a similar application called AjaxMail.
In this chapter, you will use techniques learned throughout the book to bring AjaxMail to life. Both hidden frames and the XHR object will be used for communicating with the server, and you will be reminded when and how to use each technique. Remember, the whole point of using Ajax is to improve the user's experience; this chapter gives you the opportunity to see first-hand how to create an application with the user in mind.
NOTE
AjaxMail is open source. The most recent version of all files are freely available at www.sourceforge.net/projects/ajaxmail.
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