Replied over in the forum.
--John
On Sun, Jan 17, 2010 at 4:53 PM, Steven Black <ste...@stevenblack.com> wrote:
> (Re-posted here since there is currently zero traction on the new
> forum)
>
> I have a question about code in ajax.js that is crashing for me in
> both FF (latest) and IE (latest).
>
> The code below starts on line 453 of th ajax.js module. -- (Note: In
> the released build this line ended-up at line number 4983 of
> jquery-1.4.js)
>
> My questions are
>
> 1) Why the try {} around the function definition? That doesn't seem
> right, but I've been wrong before :-)
>
> 2) The crash is not caught by the try{}
>
> The offending line is #461
>
> (461) xhr.readyState = 0;
>
> The error as reported by the FireBug console: "setting a property that
> has only a getter".
>
> Anyone have insight to share? When I comment-out that line everything
> works perfectly.
>
> Here is a clip of the code in ajax.js starting at line #453
>
> (453) // Override the abort handler, if we can (IE doesn't allow it,
> but that's OK)
> // Opera doesn't fire onreadystatechange at all on abort
> try {
> var oldAbort = xhr.abort;
> xhr.abort = function() {
> if ( xhr ) {
> oldAbort.call( xhr );
> if ( xhr ) {
> xhr.readyState = 0; // Boom!
> }
> }
>
> onreadystatechange();
> };
> } catch(e) { }
>
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>
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