Sometimes when waiting for an Ajax response the situation changes so that you no longer need it.

Since Ajax is normally run asynchronously where we don't wait for the response to come back, circumstances may change so that the response is no longer required and we want to abort the request in order to make another more relevant one. In this twelfth Ajax tutorial we look at how to abort an outstanding Ajax request so that the browser can initiate a replacement request using the same code without getting confused between the original and replacement responses.

Aborting Ajax