GlobalEventHandlers.ondrag

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A global event handler 为 drag 事件。

句法

var dragHandler = targetElement.ondrag;

返回值

dragHandler

范例

This example includes the use of the ondrag attribute handler to set an element's drag event handler.

<!DOCTYPE html>
<html lang=en>
<title>Examples of using the ondrag Global Event Attribute</title>
<meta content="width=device-width">
<style>
  div {
    margin: 0em;
    padding: 2em;
  }
  #source {
    color: blue;
    border: 1px solid black;
  }
  #target {
    border: 1px solid black;
  }
</style>
</head>
<script>
function drag_handler(ev) {
 console.log("Drag");
}
function dragstart_handler(ev) {
 console.log("dragStart");
 ev.dataTransfer.setData("text", ev.target.id);
}
function drop_handler(ev) {
 console.log("Drop");
 ev.currentTarget.style.background = "lightyellow";
 ev.preventDefault();
 var data = ev.dataTransfer.getData("text");
 ev.target.appendChild(document.getElementById(data));
}
function dragover_handler(ev) {
 console.log("dragOver");
 ev.preventDefault();
}
</script>
<body>
<h1>Examples of <code>ondrag</code>, <code>ondrop</code>, <code>ondragstart</code>, <code>ondragover</code></h1>
 <div> <!-- <div class="source"> -->
   <p id="source" ondrag="drag_handler(event);" ondragstart="dragstart_handler(event);" draggable="true">
     Select this element, drag it to the Drop Zone and then release the selection to move the element.</p>
 </div>
 <div id="target" ondrop="drop_handler(event);" ondragover="dragover_handler(event);">Drop Zone</div>
</body>
</html>

规范

规范	状态	注释
HTML 实时标准 The definition of 'ondrag' in that specification.	实时标准
HTML 5.1 The definition of 'ondrag' in that specification.	推荐	初始定义

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
`ondrag`	Chrome 4	Edge 12	Firefox 3.5	IE 10	Opera 12	Safari 3.1	WebView Android No	Chrome Android No	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android No

图例

完整支持
不支持

另请参阅

drag

元数据

最后修改： 2019 年 3 月 23 日

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句法

返回值

范例

规范

浏览器兼容性

图例

另请参阅

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