Capture HTTP requests with Javascript

Question

is it possible with javascript to listen for and capture outgoing HTTP requests? (For example, AJAX calls). Sort of like firebug, etc

Answer 1

Nope, not like firebug. The closest thing you can do, if you're using a framework such as jQuery or Microsoft AJAX.NET, you can be notified when an AJAX request is issued through that specific framework.

For jQuery, that's .ajaxStart()

There are heaps of requests that this won't catch, though, such as all requested assets (script files, images, etc.)