HTMLElement: drag event

The drag event is fired every few hundred milliseconds as an element or text selection is being dragged by the user.


Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener('drag', (event) => {});

ondrag = (event) => { };

Event type

Event properties

In addition to the properties listed below, properties from the parent interface, Event, are available.

DragEvent.dataTransfer Read only

The data that is transferred during a drag and drop interaction.


Drag and drop example


<div class="dropzone">
  <div id="draggable" draggable="true">This div is draggable</div>
<div class="dropzone" id="droptarget"></div>


body {
  /* Prevent the user selecting text in the example */
  user-select: none;

#draggable {
  text-align: center;
  background: white;

.dropzone {
  width: 200px;
  height: 20px;
  background: blueviolet;
  margin: 10px;
  padding: 10px;

.dropzone.dragover {
  background-color: purple;

.dragging {
  opacity: 0.5;


let dragged;

/* events fired on the draggable target */
const source = document.getElementById("draggable");
source.addEventListener("drag", (event) => {

source.addEventListener("dragstart", (event) => {
  // store a ref. on the dragged elem
  dragged =;
  // make it half transparent"dragging");

source.addEventListener("dragend", (event) => {
  // reset the transparency"dragging");

/* events fired on the drop targets */
const target = document.getElementById("droptarget");
target.addEventListener("dragover", (event) => {
  // prevent default to allow drop
}, false);

target.addEventListener("dragenter", (event) => {
  // highlight potential drop target when the draggable element enters it
  if ("dropzone")) {"dragover");

target.addEventListener("dragleave", (event) => {
  // reset background of potential drop target when the draggable element leaves it
  if ("dropzone")) {"dragover");

target.addEventListener("drop", (event) => {
  // prevent default action (open as link for some elements)
  // move dragged element to the selected drop target
  if ("dropzone")) {"dragover");;



HTML Standard
# ix-handler-ondrag
HTML Standard
# event-dnd-drag

Browser compatibility

BCD tables only load in the browser

See also