jQueryUI writes a drag-and-drop effect implementation code for adjusting categories

So I still have enough food and clothing by myself, and I still stick to the coding style that simplicity is beautiful.

Try embedding a test page in an iframe. You can use the mouse to drag items and adjust categories:

Of course, this is not the final effect I want, I can only say It already implements a drag and drop effect that I want. What I require is that on this basis, we also need to add automatic sorting, restore the jQuery event of the previous element bind after the position is changed, etc.

Code

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Drag & Drop Test

jQueryUI writes a drag-and-drop effect implementation code for adjusting categories_jquery