HTML ondragover Attribute
Definition and Usage
The ondragover attribute fires when a draggable element or text selection is being dragged over a valid drop target.
By default, data/elements cannot be dropped in other elements. To allow a drop, we must prevent the default handling of the element. This is done by calling the event.preventDefault() method for the ondragover attribute.
To learn about Drag and Drop, read our HTML Tutorial on HTML5 Drag and Drop.
Tip: Links and images are draggable by default, and do not need the draggable attribute.
There are many event attributes that are used, and can occur, in the different stages of a drag and drop operation:
- Events fired on the draggable target (the source element):
- Events fired on the drop target:
Note: While dragging an element, the ondragover event fires every 350 milliseconds.
The ondragover attribute is part of the Event Attributes, and can be used on any HTML elements.
|All HTML elements||ondragover|
The numbers in the table specify the first browser version that fully supports the event attribute.