W3C validation error with data-href

Question

I am getting one validation error due to my use of data-href=\"\" in the context of making a whole DIV clickable. The JS and HTML is below. What could I do to make this W3C

Answer 1

Since data-* is part of the HTML5specification, you need to use the html5-doctype:

Any other doctype will parse your site according to HTML4 or XMHTML-Rules, where the data-* Attribute is invalid.

edit:

You should always start your html with the proper doctype. Since triggers standards-mode in all browser, this is "the only right way" except you really want XHTML for example (although I can't see a reason why you should).

edit2:

You might want to consider using an a anchor-tag instead, since it already has an href and is considered to be clickable?