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

I had to make a slight change to dshaw's answer for support in IE8:

if (!!window.FileReader && Modernizr.draganddrop) {
  // sexy drag and drop action
} else {
  // no drag and drop support available :(
}

You can try it out here