Insert for every 5 elements using Javascript

Question

I have a simple list of images that is being controlled via a CMS (ExpressionEngine). Like this:

Answer 1

I think this would do that:

var links = $('.wrapper').children();
for (var i = 0, len = links.length; i < len; i += 5) {
    links.slice(i, i + 5).wrapAll('
');
}