DragEvent.dataTransfer

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

DataEvent.dataTransfer 属性保存着拖拽操作中的数据（作为一个 DataTransfer 对象）

This property is 只读 .

语法

var data = dragEvent.dataTransfer;

返回值

data

DataTransfer 对象包含着 drag event's data.

示例

这个例子展示了在dragend 事件处理程序中获取拖拽中数据的方式。

js
function process_data(d) {
  // Process the data ...
}

dragTarget.addEventListener(
  "dragend",
  function (ev) {
    // Call the drag and drop data processor
    if (ev.dataTransfer != null) process_data(ev.dataTransfer);
  },
  false,
);

规范

Specification
HTML
# dom-dragevent-datatransfer-dev

浏览器兼容性