- From: Honza Bambas <honzab@allpeers.com>
- Date: Tue, 27 Oct 2009 17:48:57 +0100
Jonas Sicking wrote: > On Mon, Oct 26, 2009 at 4:06 PM, Honza Bambas <honzab at allpeers.com> wrote: > >> The spec says: >> >> "When the setItem(), removeItem(), and clear() methods are called on a >> Storage object x that is associated with a session storage area, if the >> methods did something, then in every HTMLDocument object whose Window >> object's sessionStorage attribute's Storage object is associated with the >> same storage area, other than x, a storage event must be fired, as described >> below." >> >> [http://dev.w3.org/html5/webstorage/#dom-sessionstorage] >> >> The same applies to localStorage. >> >> Maybe I read something wrong, but as a sessionStorage object is always >> unique to its document (it is cloned when a new document with the same >> origin is created and then independent from the original document's object) >> it, in my opinion, doesn't make sense to send the event to any other >> document then the one its storage has been changed. On the other hand, it >> makes sense to me to not fire the event in the same document where the >> storage has been changed (as for localStorage), then, I'd say there should >> be no event for sessionStorage at all. I simply don't a case when two or >> more documents would share a single sessionStorage object. >> > > Huh? Does documents from the same session not all share sessionStorage > data? I.e. in the following set of events: > > 1. User navigates to http://example.com/a.html > 2. Page sets sessionStorage.foo = "hi"; > 3. User navigates, in same window, to http://example.com/b.html > 4. Page sets sessionStorage.foo = "saxophone"; > 5. User clicks back-button, which puts him back at http://example.com/a.html > 6. Page does x = sessionStorage.foo; > > what is the value of 'x'? I would have expected it to be "saxophone", > is that not the case. This seems to be required in order to do for > example multi-page forms. > > / Jonas > > Jonas, please read "unique to its document" as "unique to its browsing context". I was wrong. In step 6 you'll get saxophone ;) -hb- -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.whatwg.org/pipermail/whatwg-whatwg.org/attachments/20091027/8d4b5fff/attachment.htm>
Received on Tuesday, 27 October 2009 09:48:57 UTC