Determine if $.ajax error is a timeout

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I’m utilizing the magic of jQuery.ajax( settings ).

However, I’m wondering if anyone has played with the timeout setting much?

I know it’s basically for dictating the local time for a request, but can it trigger anything if the timeout is reached? Or does it simply stop listening for a response?

Reading the jQuery site, I can see there are no arguments passed, so it seems like a simple setting with one capability. Which is fine.

But, I’d like to trigger an alert or some function if the timeout is reached. I can see that the error setting doesn’t get triggered, in this case.

Here’s my snippet:

$("form#testform").submit(function(){ 

 var allFormValues = $("form#testform").serialize(); 

   $.ajax({
    cache:false,
    timeout:8000,  // I chose 8 secs for kicks
    type:"POST",
    url:"someurl.php",
    data:allFormValues,
    error:function(){ alert("some error occurred") },
    success:function(response){ alert(response); }
   });

});

Does anyone know how to work more with timeout?

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