Check out the tutorial on how to enhance HTML5 tabular data with jQuery. Above will append the class.stackable-table. Intelligolf V8 52 Eagle Edition. Discussing HTML5, CSS3. Live Album Previews with CSS3 and jQuery. This is a standard HTML5 document. We will get these URLs and append them as real images to the album link.

IE8 supports nothing of HTML5, that wasn't part of HTML4, since it was developed, before HTML5 became even a W3C draft. CSS3: There is the one or other property, that didn't make it in CSS 2.1, that IE8 actually supports, like text-wrap. However, it's not worth mentioning it. Especially all the goodies like box shadows and rounded corners don't exist in IE8.

Look at the links in yojimbo87's answer for more details on supported properties. What is worse, is that even IE9 doesn't support that much of HTML5. They focused on canvas, video and audio and claim it now to be 'HTML5 ready'. But, for example, all the new form fields are completely missing, not speaking of lots of new JavaScript APIs. So, to put it in a nutshell, no, IE8 doesn't support HTML5. It can, however, display HTML5 documents, since the specification is written with fallback options for older browsers in mind.

With current browser support of HTML5 and CSS3, your client must either a) be insane or b) not know what they're on about. While it is true that HTML5 and CSS3 are gaining support pretty quickly, the majority of browsers don't have good support for the more advanced features of the two techs, for example, and aren't too widely supported. Civilization V Firetuner. As for CSS3, quite a few bits of it are supported well, but IE users will have to do without. As an additional note, IE6 is still in very heavy use in China, so if you're targeting that market, stick with the older, better supported technologies.