ondragover
The ondragover event is triggered when a draggable item is moved over a target. By default, data or elements cannot be dropped into other elements unless the appropriate handling is specified.
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ondragleave
The ondragenter and ondragleave events help users visually understand when a draggable item is over a drop target. The ondragleave event is triggered when the dragged item leaves the boundaries of the drop target.
ondragstart
The ondragstart event is triggered when the user begins dragging an element. Drag-and-drop functionality is a common feature in HTML that allows users to move items within a web page.