This post originated from an RSS feed registered with Python Buzz by Phillip Pearson. Original Post: Ajax file upload notes Feed Title: Second p0st Feed URL: http://www.myelin.co.nz/post/rss.xml Feed Description: Tech notes and web hackery from the guy that brought you bzero, Python Community Server, the Blogging Ecosystem and the Internet Topic Exchange Latest Python Buzz Posts Latest Python Buzz Posts by Phillip Pearson Latest Posts From Second p0st

I'm just getting into the whole fake-Ajax file upload thing.

Interesting discovery: while you can't write to the value of an <input type="file"> element from Javascript, you can clone such elements into other forms and submit them. e.g. in jQuery:

This lets you submit the main form with an XMLHTTPRequest, but move the files off somewhere else to be uploaded in the background and associated with whatever content it was you just uploaded.

Update: If you're doing this in mootools, you'll need to call the DOM cloneNode() method rather than using mootools' clone(), as mootools clones by completely rebuilding the element. In code:

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