Client-Side File Generation – Downloadify

Downloadify, a Javascript + Flash Library web application. It’s enables the generation and saving of the files on the fly, in the browser, without server interaction. You have to generate vCards, color palettes, custom code, etc would benefit from using this library. In addition to increasing speed (no round trip to the server) this solution can reduce the database and server load of existing web applications.

Flash 10 introduced the ability to generate files on the client-side and trigger a save to the user’s computer. As Flash 10 has been gaining broad use and is now past a 93% install base, its time to make broad use of this feature! There is one catch: the user must click something in the Flash file to trigger the download for security reasons. Downloadify couples JavaScript callbacks with the Downloadify.swf to allow your code to respond to the click event and pass in your data at that time. Whatever data is passed in from your function will be saved to their hard-drive when and where they select.

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