Drag Drop JavaScript Tutorial

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  4. Drop target events fire now
< html>
    
        System Drag And Drop Example
        
            function handleDragDropEvent(oEvent) {
                var oTextbox = document.getElementById("txt1");
                oTextbox.value +=  oEvent.type + "\n";
                switch(oEvent.type) {
                    case "dragover":
                    case "dragenter":
                        oEvent.returnValue = false;
                }
            }
        
    
    
        

Try dragging the text from the textbox to the red square.
        Drop target events fire now.


        

drag me


                     ondragenter="handleDragDropEvent(event)"
             ondragover="handleDragDropEvent(event)"
             ondragleave="handleDragDropEvent(event)"
             ondrop="handleDragDropEvent(event)">