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.
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ondragenter
The ondragenter and ondragleave events enhance the user experience by indicating when a draggable element is over a drop target. The ondragenter event is triggered when a draggable item enters the boundaries of a drop target.
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.