一个drag事件的global event handler。
语法
var dragHandler = targetElement.ondrag;
返回值
dragHandler- 元素
targetElement的drag事件handler。
例子
这个例子展示了使用ondrag属性handler设置一个元素的drag事件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 | 备注 |
|---|---|---|
| HTML Living Standard ondrag |
Living Standard | |
| HTML 5.1 ondrag |
Recommendation | 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.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ondrag | Chrome Full support 4 | Edge Full support Yes | Firefox Full support 3.5 | IE Full support 10 | Opera Full support 12 | Safari Full support 3.1 | WebView Android No support No | Chrome Android No support No | Firefox Android No support No | Opera Android No support No | Safari iOS No support No | Samsung Internet Android No support No |
Legend
- Full support
- Full support
- No support
- No support