Ryan Boudreaux continues his tutorial on getting acquainted with jQuery by showing you how to get objects by ID and Class selectors and by Tag and Attribute.

jQuery support for the new HTML5 data attributes may not be everything a developer could want -- but it's very close. And, more important, it's the perfect solution for handling transactional data.

An SEO asked Google's John Mueller if HTML ID attributes can help with SEO and John said "no" on Twitter. To be honest, it is a bit hard to understand the question because of the english, but I am ...