December 2015
Intermediate to advanced
192 pages
3h
English
CHAPTER 12
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AJAX
AJAX (an acronym for Asynchronous JavaScript and XML) is widely used in web sites nowadays. Gmail uses AJAX a lot, for example. Let’s look at an example first, shown in Figure 12-1. On clicking the Transfer button, an animated loading image indicates that the transfer is in progress.

Figure 12-1. An example of page using AJAX
After the server processes the request, the loading image is gone and a receipt number is displayed, as shown in Figure 12-2.
Figure 12-2. Display after the transfer is processed
From a testing perspective, ...
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