Possible to make AJAX call that doesn't return?

Question

Is it possible to send an jQuery.ajax call or equivalent without any sort of response? I want to trigger something on the server as I leave the page with the onbeforeunload

Answer 1

Every request has a response. Even if the server throws an error a response is coming back with the error.

You can ignore the response if you like to just don't add a success callback.

$.ajax({
    url: "theURL",
    data: theData
});