How to determine presence of HTML5 drag'n'drop file upload API (like the one from FF3.6)

Question

I am writing an application that\'s supposed to support HTML5 drag/drop API for file, much like the on described here. I would like to perform a programmatic check on whethe

Answer 1

Its a bit trickier. iOS7 reports that it supports both FileReader and draganddrop pictures uploading. Since I was looking for a more general file upload that I couldn't do with iOS, I needed another answer.

Modernizr issue 57 at here talks about the issue. Now with windows 8 and both touch and mouse, its tricky. There's code in the middle by chriskeeble that I used successfully. It relies on Modernizr and agent detection.