[whatwg] HTML5 Offline web applications & file upload

Jeremy Orlow jorlow at chromium.org
Fri May 14 03:19:32 PDT 2010

There's a bunch of work currently happening on public-webapps and
public-device-apis @w3.org to enable many offline use cases like this.  The
most closely related specs are probably the FileSystem API and/or the
LocalStorage/IndexedDB APIs + FileReader.

Unfortunately these use cases are not very well supported in browser quite
yet.  (No one is shipping FileSystem or LocalStorage+StructuredClone or
FileReader+StructuredClone as far as I know.)


On Fri, May 14, 2010 at 10:51 AM, Alexandre Thiel <thiel.alexandre at gmail.com
> wrote:

> Hi,
> I was wondering if HTML5 Offline mode and file upload can work together ?
> I can't find any reference in the online draft which covers only server
> resource caching.
> Let's imagine you're writing some kind of data editor that works in offline
> mode, can you ask the user to select a file to import from his filesystem
> that can be processed with javascript or directly transfered to the
> localStorage while being offline ?
> Alexandre
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