cc的学习历程js实现拖拽
html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>菜鸟教程(runoob.com)</title>
<style type="text/css">
#div1 {
width: 350px;
height: 70px;
padding: 10px;
border: 1px solid #aaaaaa;
}
#div2 {
width: 350px;
height: 70px;
padding: 10px;
border: 1px solid #aaaaaa;
}
</style>
<script>
function allowDrop(ev) {
ev.preventDefault();
}
function drag(ev) {
ev.dataTransfer.setData("Text", ev.target.id);
}
function drop(ev) {
ev.preventDefault();
var data = ev.dataTransfer.getData("Text");
console.log('drop1',ev)
ev.target.appendChild(document.getElementById(data));
}
function drop2(ev) {
ev.preventDefault();
var data = ev.dataTransfer.getData("Text");
console.log('drop2',data)
ev.target.appendChild(document.getElementById(data));
}
</script>
</head>
<body>
<p>拖动 RUNOOB.COM 图片到矩形框中:</p>
<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<br />
<div id="div2" ondrop="drop2(event)" ondragover="allowDrop(event)">
<img
decoding="async"
loading="lazy"
id="drag"
src="https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png"
draggable="true"
ondragstart="drag(event)"
width="336"
height="69"
/>
</div>
</body>
</html><!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>菜鸟教程(runoob.com)</title>
<style type="text/css">
#div1 {
width: 350px;
height: 70px;
padding: 10px;
border: 1px solid #aaaaaa;
}
#div2 {
width: 350px;
height: 70px;
padding: 10px;
border: 1px solid #aaaaaa;
}
</style>
<script>
function allowDrop(ev) {
ev.preventDefault();
}
function drag(ev) {
ev.dataTransfer.setData("Text", ev.target.id);
}
function drop(ev) {
ev.preventDefault();
var data = ev.dataTransfer.getData("Text");
console.log('drop1',ev)
ev.target.appendChild(document.getElementById(data));
}
function drop2(ev) {
ev.preventDefault();
var data = ev.dataTransfer.getData("Text");
console.log('drop2',data)
ev.target.appendChild(document.getElementById(data));
}
</script>
</head>
<body>
<p>拖动 RUNOOB.COM 图片到矩形框中:</p>
<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<br />
<div id="div2" ondrop="drop2(event)" ondragover="allowDrop(event)">
<img
decoding="async"
loading="lazy"
id="drag"
src="https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png"
draggable="true"
ondragstart="drag(event)"
width="336"
height="69"
/>
</div>
</body>
</html>