I was playing around with this earlier and failed to query craigslist for a page successfully.
I would like to return the page from: http://sfbay.craigslist.org/art/
using an ajax call, parse the html and process the results. For the purposes of this question, I am only interested in completing the query and retrieving the html.
You would need some code on the server that does the actual call to craigslist.org, as AJAX calls are limited to the same hostname. In other words, you cannot load a URL from craigslist.org directly via AJAX, but you need something on the server that does this, and in turn can be invoked via AJAX.