- From: Laurence Ph. <unkstar@163.com>
- Date: Mon, 17 Aug 2009 10:10:50 +0800 (CST)
>... Additionally, a typo in one page (i.e. invoking
>SharedWorker("mypagescript?", "name") instead of
>SharedWorker("mypagescript", "name") will keep all subsequent pages in that
>domain from loading a worker under that name so long as the original page
>resides in the page cache.
In this case, if typo one is invoked after a correct one,?an?URL_MISMATCH_ERR?will be thrown in SharedWorker constructor algorithm step 5.4.2.
In the other hand, a 404 will terminate the algorithm and no SharedWorker is created and nothing will be add to global namespace.
I think this example won't be a serious problem anyway, though I'm not sure will this cause other problem or not.
>Use
> ? ?new SharedWorker("url.js#name");
>and if you want a duplicate, call it
> ? ?new SharedWorker("url.js#name2");
This remind me of something:
From sec4.8.3, SharedWorker constructor algorithm step 5.4.2:
If?worker global scope's?location?attribute represents an?absolute URL?that is not *exactly equal* to the resulting?absolute URL, then throw a?URL_MISMATCH_ERR?exception and abort all these steps.
Seems the #name part will break this line and throw a URL_MISMATCH_ERR with the duplicated #name2 one.
Shall we ignore minor difference between urls? e.g # fragments?
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Received on Sunday, 16 August 2009 19:10:50 UTC