A mobile AJAX library must be lightweight and ideally,
be adapted as per the device??”exposing features supported only by that device. If we
don't want to get into a lot of complexity, implementing basic AJAX is very simple.
We can use the XMLHttpRequest object to build our AJAX application.
What we will do is extend the Frost AJAX library. Frost is the first mobile
AJAX library, and is still under development. Available from Paving Ways
(www.pavingways.com), Frost provides the basic AJAX functions. We will write
additional JavaScript code to serve our needs and glue things together.
On the back end, we will write code that will retrieve the recipe and comment
information. One important thing we need to keep in mind here is that only the
recipe and comments HTML code should be outputted. No or other XHTML
tags are necessary. This is because whatever our back end will output will come to
the AJAX call. And that is what will be inserted into the
that shows recipes
and comments. If we have extra HTML code, that too will be inserted in the