Posted by Andy Dingley on 06/07/07 10:11

On 7 Jun, 11:02, hans.schmi...@gmx.net wrote:

> When I write an e-mail in
> gmail, it saves the draft automatically. how is it done?

Research "AJAX"

It's not (usually) background form submission, it's background use of
a XmlHttpRequest object to send and receive XML.

Useful techniques, but make sure there's some usable fallback for non-
JS customers.

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