绑定本地html5 dragstart事件处理程序并使用jQuery访问dataTransfer

This is working:

这是工作:

$(".my_dragging_class").each( makeDraggable($(this).get()[0]) );

var makeDraggable = function (el){
    el.draggable = 'true';
    el.addEventListener('dragstart', function(e){
                e.dataTransfer.effectAllowed = 'move';
                e.dataTransfer.setData('text/html', 'test');
                console.log('dragstart');
                }, 
            false);
}
$(".my_dragging_clas