如图
可以从第一个方框拖拽花色到第二个方框中。
也可以再拖动回来。
具体代码实现
index.html
<!DOCTYPE HTML>
<html>
<head>
<meta charset=utf-8>
<title>HTML5 Drag && Drop Demo</title>
<link rel="stylesheet" href="css/main.css"></link>
<script>
function DragHandler(target, e) {
e.dataTransfer.setData('Text', target.id);
}
function DropHandler(target, e) {
var id = e.dataTransfer.getData('Text');
target.appendChild(document.getElementById(id));
e.preventDefault();
}
</script>
</head>
<body>
<header>
<h1>HTML5 Drag & Drop Demo</h1>
</header>
<div id="dndcontainer">
<div ondrop="DropHandler(this,event)" ondragenter="return false" ondragover="return false" class="dndbox">
<img src="images/item-1.png" id="club" ondragstart="DragHandler(this,event)" width="75" height="75" border="0" alt=""/>
<img src="images/item-2.png" id="heart" ondragstart="DragHandler(this,event)" width="75" height="75" border="0" alt=""/>
<img src="images/item-3.png" id="spade" ondragstart="DragHandler(this,event)" width="75" height="75" border="0" alt=""/>
<img src="images/item-4.png" id="diamond" ondragstart="DragHandler(this,event)" width="75" height="75" border="0" alt=""/>
</div>
<div ondrop="DropHandler(this,event)" ondragenter="return false" ondragover="return false" class="dndbox"></div>
</div>
</body>
</html>
main.css
.dndbox
{
300px;
height:300px;
border:1px solid #000;
}