W3C home > Mailing lists > Public > whatwg@whatwg.org > March 2009

[whatwg] Accessing cookies from workers

From: Drew Wilson <atwilson@google.com>
Date: Mon, 9 Mar 2009 17:11:12 -0700
Message-ID: <f965ae410903091711x52e5668fqbcaf682c022fcb11@mail.gmail.com>
> > and most important
> > 3) why it did actually happen in my code? (using an async XHR)
> Not sure what you are saying here. Do you have example code.

I think what he's talking about the issue described at

I was CC'd on an email thread about this last year - IE can sometimes call
xhr callbacks at inappropriate times (like when in the middle of a JS
function call). Summarizing the thread, it seems that invoking certain JS
functions in IE (like alert()) can cause IE to re-enter the message loop and
start processing messages which can cause things like XHR request callbacks
to be invoked.

I'm pretty sure this is better classified as a bug in IE rather than as
expected JS language behavior, though.

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