I don't need A to finish before B. I need A's callbacks to not be cut
off by B's instantiation.
On Sep 24, 12:44 pm, Phil Petree <phil.pet...@gmail.com> wrote:
> If you want a() to finish before b() and b() to finish before c() then you
> will have to daisy chain in the onComplete code.
>
> On Fri, Sep 24, 2010 at 3:21 PM, JoJo <tokyot...@gmail.com> wrote:
> > I have several lines of code that I want to run atomically (no context
> > switches to other code). Please look at the following barebones
> > example that illustrates the issue:
>
> > //=========================
>
> > function doAjax() {
> > console.info('making request');
> > new Ajax.Request(
> > url, {
> > onSuccess: function() {
> > console.info('success');
> > },
> > onFailure: function() {
> > console.info('failure');
> > },
> > onComplete: function() {
> > console.info('complete');
> > }
> > }
> > );
> > }
>
> > doAjax();
> > doAjax();
>
> > //=========================
>
> > If the processor is "faster" than the network, I expect the output to
> > be :
>
> > making request
> > making request
> > success
> > complete
> > success
> > complete
>
> > However, under certain conditions, success+complete is sometimes not
> > atomic. Here's some output that I have seen:
>
> > (A) making request
> > (A) success
> > (B) making request
> > (A) complete
> > (B) success
> > (B) complete
>
> > This is against my expectations and breaks my code logic - the website
> > fails to function when complete does not IMMEDIATELY follow success.
> > Can someone shed some light on why this is happening? I thought AJAX
> > is only asynchronous while waiting for the server and should become
> > synchronous as it's executing the callback code...
>
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