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

If you don't want to deal with Modernizr at all, you can just replicate what it does for drag'n'drop detection:

var supportsDragAndDrop = function() {
    var div = document.createElement('div');
    return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
}

Got it from Modernizr GitHub repository:

https://github.com/Modernizr/Modernizr/blob/master/feature-detects/draganddrop.js