I recently made an application that allows users to drag hundreds of items (with lots of CSS) between hundreds of lists (drag and drop zones), and I experienced terrible performance using jQuery. Then I switched to the HTML5 Drag and Drop API, and since it all works smoothly even on 1st Gen Centrinos. No wonder using native code.
API HTML5 , , , jQuery UI.
, , , jQuery UI , . , jQuery API HTML5 , , jQuery.