See my latest article titled DOM-based data storage and retrieval using jQuery. It covers the jQuery data() APIs and HTML5 data-* attributes in your jQuery-powered applications…
Summary: The popular, and free (MIT and GPL-licensed), jQuery JavaScript library has a concise and portable set of JavaScript APIs for rapid web development. In this article, learn how the jQuery data() method can simplify the task of associating data to DOM elements. In-depth examples show how to use the method in your own applications. Discover how jQuery lets you use HTML5 data-* attributes in your jQuery-powered applications.
See DOM-based data storage and retrieval using jQuery (developerWorks)
ceo