Which HTML version should be chosen for a public website

Question

I am currently working on a website. After studying HTML5 and its features I want to go ahead with it. I want to use features like offline storage, data- attribs, simple cha

Answer 1

Depends entirely on the users of the website, and which features their browsers support. As SLaks said, HTML5 isn’t an all-or-nothing proposition.

Mark Pilgrim has two good chapters on detecting support for HTML features via JavaScript (which is the only reliable way to do it):

• http://diveintohtml5.ep.io/detect.html
• http://diveintohtml5.ep.io/everything.html

You use the same approach here that developers have always used for front-end web code — use new features in such a way that users who don’t have that feature yet can still use the site, even if the experience isn’t as slick for them.