Register a handler to be called when Ajax requests complete. This is an AjaxEvent.

Register a handler to be called when Ajax requests complete with an error. This is an Ajax Event.

Attach a function to be executed before an Ajax request is sent. This is an Ajax Event.

Register a handler to be called when the first Ajax request begins. This is an Ajax Event.

Register a handler to be called when all Ajax requests have completed. This is an Ajax Event.

Attach a function to be executed whenever an Ajax request completes successfully. This is an Ajax Event.