If this topic is of any interest to you, you may be wondering how to learn more. Books and (mainly) online documentation can help a great deal in getting a better grasp of JavaScript, jQuery, and jQuery Mobile.
Here are some official websites where you can find a lot of useful information, featuring examples and user comments:
Written by Jonathan Chaffer and Karl Swedberg, it is "a comprehensive exploration of the popular JavaScript library".
JQM Gallery (by Dan Tavelli) was started to showcase jQuery mobile sites/apps and be a place to go for inspiration and ideas for your next project.
It also features a handful of tutorials and books dealing with jQuery Mobile.