在此页

• 特性
• 方法
• 范例
• 规范
• 浏览器兼容性
• 相关话题

DataTransferItemList object is a list of DataTransferItem objects representing items being dragged. During a drag operation , each DragEvent 拥有 dataTransfer property and that property is a DataTransferItemList .

This interface has no constructor.

特性

DataTransferItemList.length 只读

An unsigned long that is the number of drag items in the list.

方法

DataTransferItemList.add()

Adds an item (either a File 对象或 string ) to the drag item list and returns a DataTransferItem object for the new item.

DataTransferItemList.remove()

Removes the drag item from the list at the given index.

DataTransferItemList.clear()

Removes all of the drag items from the list.

DataTransferItemList.DataTransferItem()

Getter that returns a DataTransferItem at the given index.

范例

Each of this interface's methods and properties has a reference page, and each reference page has an example of its usage.

规范

规范	状态	注释
HTML 实时标准 The definition of 'DataTransferItemList' in that specification.	实时标准
HTML 5.1 The definition of 'DataTransferItemList' in that specification.	推荐	Not included in W3C HTML5 推荐

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
DataTransferItemList	Chrome 13	Edge ≤18	Firefox 50	IE No	Opera 12	Safari 6	WebView Android 4.4	Chrome Android 18	Firefox Android 50	Opera Android No	Safari iOS 6	Samsung Internet Android 1.0
DataTransferItemList[]	Chrome 13	Edge ≤79	Firefox 50	IE No	Opera 12	Safari 6	WebView Android 4.4	Chrome Android 18	Firefox Android 50	Opera Android No	Safari iOS 6	Samsung Internet Android 1.0
add	Chrome 13	Edge 12 — 79	Firefox 50	IE No	Opera 12	Safari 6	WebView Android 4.4	Chrome Android 18	Firefox Android 50	Opera Android No	Safari iOS 6	Samsung Internet Android 1.0
clear	Chrome 13	Edge 12	Firefox 50	IE No	Opera 12	Safari 6	WebView Android 4.4	Chrome Android 18	Firefox Android 50	Opera Android No	Safari iOS 6	Samsung Internet Android 1.0
length	Chrome 13	Edge 12	Firefox 50	IE No	Opera 12	Safari 6	WebView Android 4.4	Chrome Android 18	Firefox Android 50	Opera Android No	Safari iOS 6	Samsung Internet Android 1.0
remove	Chrome 31	Edge 12	Firefox 50	IE No	Opera 12	Safari 6	WebView Android 4.4.3	Chrome Android 31	Firefox Android 50	Opera Android No	Safari iOS 6	Samsung Internet Android 2.0

图例

完整支持

完整支持

不支持

不支持

元数据

• 最后修改： 2019 年 3 月 23 日

相关话题

1. HTML 拖放 API
2. DataTransferItemList
3. 特性

   1. length
4. 方法

   1. add()
   2. clear()
   3. DataTransferItem()
   4. remove()
5. Related pages for HTML Drag and Drop API

   1. DataTransfer
   2. DataTransferItem
   3. DragEvent