Jquery ui dragging and sorting - 2 occurrence of the dropped item?

I could find the problem. It is similar with div in a div. If you move your mouse cusor over the object #secondul, it is still in the object #firstul according the browsers.

You can see it better if you change your code as like as following: ul id="#firstul" onMouseOver="alert('first') and ul id="#secondul" onMouseOver="alert('second') Another thing is, after dragging the Item3 into the second list, an error in jquery-ui. Js will be fired. As concerned as the error message, I've got the theory the code will try to access the object from the source.

Based on the situation above, the item does not exists anymore. It has been already moved to the #firtul.

I could find the problem. It is similar with div in a div. If you move your mouse cusor over the object #secondul, it is still in the object #firstul according the browsers.

You can see it better if you change your code as like as following: and . Another thing is, after dragging the Item3 into the second list, an error in jquery-ui. Js will be fired.As concerned as the error message, I've got the theory the code will try to access the object from the source.

Based on the situation above, the item does not exists anymore. It has been already moved to the #firtul.

Yes you are right. What I did is I deleted item3 from firstUL after dropping is completed. It looks fine.

But while dragging a placeholder is shown in firstUL which doesn't look good. – Ash 2 days ago.

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