- From: Ian Hickson <ian@hixie.ch>
- Date: Fri, 13 Feb 2009 19:16:44 +0000 (UTC)
On Fri, 13 Feb 2009, Boris Zbarsky wrote:
>
> The current Gecko behavior is that any stylesheet load started by parsing a
> <style> or <link> tag will increment a counter on the document (well, on a
> per-document script loader object, to be more precise). Completion of the load
> will decrement the counter. While the counter is nonzero, <script> execution
> is blocked. When it goes back to 0, the first pending script (if any) is run.
> If this increments the counter again, no more scripts are run until the count
> goes to 0 again.
>
> So it doesn't matter how the script is created/inserted, but the only
> stylesheets that block scripts are ones that the parser knows about. So only
> the ones present in the original source or added via document.write. If you
> createElement a <link> and insert it into the DOM, it won't block script
> execution. Also, <link> elements pointing to alternate style sheets don't
> block script execution.
So in this:
<!DOCTYPE html>
...
<script>
document.write('<link rel=stylesheet href=style>');
document.write('<script>a();<\/script>');
b();
</script>
...is the script paused after the second document.write() call, before a()
and b() execute?
(When replying please leave your text above in the reply, so that I don't
lose context -- thanks!)
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Friday, 13 February 2009 11:16:44 UTC