When using AJAX in a site I often find myself needing to pass a significant portion of HTML back to the client along with some other data. Ideally it would be best if I could pass back a JSON object containing the HTML and the other data as properties. The

Progressive enhancement is the addition of javascript in order to enhance the site with more modern functionality that it would not contain without it, but isn't necessary for the site to function. The problem with this is it often becomes necessary to make modifications to your site that are specific