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By mswatcher
Submitted: Mar 23 2013 / 08:41

AJAX file uploads used to be a client / server process in HTML 4. They required a round trip to a server side module, usually using an IFRAME and constant querying of the number of bytes uploaded, then reloading a progress bar inside the IFRAME with the current progress value. Luckily HTML 5 has a level 2 XMLHttpRequest object that natively support file uploads. This makes it a breeze to give your users a great experience when uploading files to your application.
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