Browser add-on / extension and browser form data

Can anyone point me to an article (or discuss here) that explains how an add / extension can read what a user has filled out in a form in a browser so you can submit data for them based on search parameters?

An example is the Sidestep extension, which opens a sidebar when a user searches on an airline / travel site and presents them with a Sidestep meta search based on the parameters used on the original airline / travel site.

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Browser extensions are necessarily browser dependent. I would look at the API for your target browser. Here's a thread on Firefox 3.0 extensions .



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expansion to what? your body?:)



If you are talking about a browser extension, then I'm sure you are wrong. You can just search for forms on the current page and based on the field names try to figure out what the user was looking for ... The js file and the AJAX call are all you need and you could skip the ajax call altogether ... but I usually I prefer server side processing as the source code is more hidden that way.

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