The DataTransfer.mozUserCancelled property is used in the dragend event handler to determine if the user canceled the drag or not. If the user canceled the event, the property returns true and returns false otherwise. This property only applies to the dragend event.

This property is Read only .

A boolean value representing true if the user canceled the drag event and returns false otherwise.

This example shows the use of the mozUserCancelled property in the dragend event handler.

function dragend_handler(event)
{
  var dragData = event.dataTransfer;
  console.log("mozUserCancelled = " + dragData.mozUserCancelled);
}

This property is not defined in any Web standard.

• Drag and drop
• Drag Operations
• Recommended Drag Types
• Dragging and Dropping Multiple Items
• DataTransfer test - Paste or Drag