The read-only DataTransfer property 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.
DataTransfer.items
Value
A DataTransferItemList object containing DataTransferItem objects representing the items being dragged in a drag operation, one list item for each object being dragged. If the drag operation had no data, the list is empty.
Examples
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 |
|---|
| HTML Standard # dom-datatransfer-items-dev |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
items |
4
|
12
|
50
|
No
|
12
|
11.1
|
≤37
|
18
|
52
|
12
|
11.3
|
1.0
|
See also
© 2005–2021 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/DataTransfer/items
