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. |
Recommendation | Initial definition |
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 4 | (Yes) | 50 | No support | 12 | No support |
| Feature | Android | Android Webview | Chrome for Android | Edge | 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 |