Couple of additional pieces of information:
It happens in all versions of IE actually not just standards mode...
Oddly if I step through the code with the IE debugger the code runs
fine. W/o the debugger bonkage ensues.
onreadystatechange does get called PRIOR to the timeout and xhr is
fine in those calls. It's only on the actual timeout that faiure
occurs.
+++ Rick ---
On Sep 11, 8:03 pm, Rick Strahl <rstr...@west-wind.com> wrote:
> Running into a problem with the $.ajax() function in Internet Explorer
> 8 in standards mode. It appears that this code:
>
> var onreadystatechange = function(isTimeout){
> // The request was aborted, clear the interval and
> decrement
> jQuery.active
> if (xhr.readyState == 0) {
>
> bonks on a timeout - the xhr instance is null.
>
> Line: 3555
> Error: 'xhr.readyState' is null or not an object
>
> I only see this behavior in the IE. Works fine in compatibility mode
> and FF 3.x. Looks like there needs to be a check for xhr before this
> code fires.
>
> I'm explicitly setting the timeout to a relatively short value to
> force a timeout.
>
> Looking at the code it's not really clear why xhr would ever be null
> given that it's set in the constructor
>
> Oddly I have never noticed this behavior before, but today I've spent
> some time with various error scenarios and this popped up on me.
>
> Anybody else seeing this?
>
> +++ Rick ---
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