DataTransfer.items

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The DataTransfer.items property is a list of the data transfer items in a drag operation. The list includes one item for each item in the operation and if the operation had no items, the list is empty.

This property is Read only .

Syntax

dataTransfer.items;

Return value

A list of DataTransferItem objects for a drag operation, one list item for each object in the operation. If the drag operation had no data, the list is empty.

Example

This example shows the use of the items and types properties.

<!DOCTYPE html>
<html lang=en>
<title>Examples of DataTransfer.{types,items} properties</title>
<meta content="width=device-width">
<style>
  div {
    margin: 0em;
    padding: 2em;
  }
  #target {
    border: 1px solid black;
  }
</style>
<script>
function dragstart_handler(ev) {
 console.log("dragStart: target.id = " + ev.target.id);
 // Add this element's id to the drag payload so the drop handler will
 // know which element to add to its tree
 ev.dataTransfer.setData("text/plain", ev.target.id);
 ev.dataTransfer.effectAllowed = "move";
}

function drop_handler(ev) {
 console.log("drop: target.id = " + ev.target.id);
 ev.preventDefault();
 // Get the id of the target and add the moved element to the target's DOM
 var data = ev.dataTransfer.getData("text");
 ev.target.appendChild(document.getElementById(data));
 // Print each format type
 if (ev.dataTransfer.types != null) {
   for (var i=0; i < ev.dataTransfer.types.length; i++) {
     console.log("... types[" + i + "] = " + ev.dataTransfer.types[i]);
   }
 }
 // Print each item's "kind" and "type"
 if (ev.dataTransfer.items != null) {
   for (var i=0; i < ev.dataTransfer.items.length; i++) {
     console.log("... items[" + i + "].kind = " + ev.dataTransfer.items[i].kind + " ; type = " + ev.dataTransfer.items[i].type);
   }
 }
}

function dragover_handler(ev) {
 console.log("dragOver");
 ev.preventDefault();
 // Set the dropEffect to move
 ev.dataTransfer.dropEffect = "move"
}
</script>
<body>
<h1>Examples of <code>DataTransfer</code>.{<code>types</code>, <code>items</code>} properties</h1>
 <ul>
   <li id="i1" ondragstart="dragstart_handler(event);" draggable="true">Drag Item 1 to the Drop Zone</li>
   <li id="i2" ondragstart="dragstart_handler(event);" draggable="true">Drag Item 2 to the Drop Zone</li>
 </ul>
 <div id="target" ondrop="drop_handler(event);" ondragover="dragover_handler(event);">Drop Zone</div>
</body>
</html>

Specifications

Specification Status Comment
WHATWG HTML Living Standard
The definition of 'items' in that specification.
Living Standard  
HTML5.1
The definition of 'items' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 4 50 No support 12 No support
Feature Android Android Webview Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile
Basic support No support No support No support No support No support No support No support No support

See also

Document Tags and Contributors

 Contributors to this page: topaxi, Sebastianz, rolfedh, AFBarstow
 Last updated by: topaxi,