What about using a filename that is unique with repect to files sent in that FormData (but it is up to the UA)? For example, a UA may choose to do Blob1, Blob2, etc. For the content-type, application/octet-string seems most fitting.
Here's the result applied to your example: ------SomeBoundary... Content-Disposition: form-data; name="file"; filename="Blob1" Content-Type: application/octet-string dave On Fri, Mar 19, 2010 at 6:25 PM, Jian Li <jia...@google.com> wrote: > Hi, > > I have questions regarding sending FormData with sliced files. When we send > a FormData with a regular file, we send out the multipart data for this > file, like the following: > > ------SomeBoundary... > Content-Disposition: form-data; name="file"; filename="test.js" > Content-Type: application/x-javascript > ... > > However, when it is sliced into a blob, it does not have the file name and > type information any more. I am wondering what we should send. Should we > just not provide the filename and Content-Type information? > > Thanks, > > Jian > > >