method called when item moved out of possible drop landing during dnd
source | HTMLElement | DOM element on which dnd action started |
old_target | HTMLElement | DOM element of drop from which item was moved out |
new_target | HTMLElement | new DOM element which will be used as drop target ( can be null ) |
ev | Event | native html event |
method not purposed for direct call! It is an extension point.
You can override it with your own logic, but be sure to check dnd related events first, as they are provide much more convinient way for dnd handling.
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