Drag ‘n’ dropping items has its various popular uses and shopping carts are definitely one of them.In this tutorial, we’ll be creating a simple shopping cart that works with drag ‘n’ drops.It will have support for add-to-basket with quantity updates (so that the same items could be added more than once) and removing items from the basket. It will be totally client-side and cover the basic functionality (no PayPal integration, etc.).For that, we’ll be using, probably the best drag-drop library, jQuery UI Draggable/Droppable in this tutorial.
Drag_Drop jQuery UI