[html5] AppCache <-> HTTP interactions when offline

Miles Fidelman mfidelman at meetinghouse.net
Mon May 7 09:35:40 PDT 2012


Hi Folks,

I'm looking at alternative ways to edit documents in a browser, then 
store the results - that will work both online and offline.

Something that I can't seem to find documented anywhere is the behavior 
of AppCache vis-a-vis any HTTP operation other than GET.

In particular, if one uses JavaScript to modify the DOM on an active 
page, then tries to PUT a replacement page - what is a browser supposed 
to do when it's offline?  What do current browsers actually do?  Is any 
of this documented anywhere.

Come to think of it... is there any documentation on how browsers 
should/do respond to changes to active documents (e.g., if one uses 
JavaScript to modify the DOM then tries to save the page as a file - 
what should/does get saved)?

Pointers to standards, design documents, presentations, would be very 
much appreciated.

Thanks much,

Miles Fidelman

-- 
In theory, there is no difference between theory and practice.
In practice, there is.   .... Yogi Berra





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