HTML Attribute rel Errors using fancyBox

Question

I\'m using fancyBox to create a gallery with the following code:

Answer 1

If you want to have a fancybox gallery within a valid HTML document (just because we are all purists ;) then you need two things:

1: An HTML5 DOCTYPE

2: use the data-fancybox-group attribute rather than the rel attribute like:

That validates!! ... see sample here

NOTE: this is for fancybox v2.x