javascript拖动小例子
Code<html>
<head>
<meta http-equiv="Content" content="text/html;chartset=utf-8">
<title>test drag</title>
<style type="text/css">
<!--
.drag {
width:100px;
height:100px;
position:absolute;
left:10px;
top:10px;
background-color:blue;
}
-->
</style>
<script type="text/javascript">
<!--
function drag(target,event)
{
var deltaX = event.clientX-parseInt(target.style.left);
var deltaY = event.clientY-parseInt(target.style.top);
document.attachEvent("onmousemove",movehandle);
document.attachEvent("onmouseup",uphandle);
function movehandle()
{
target.style.left = event.clientX-deltaX;
target.style.top = event.clientY-deltaY;
}
function uphandle()
{
document.detachEvent("onmousemove",movehandle);
document.detachEvent("onmouseup",uphandle);
}
}
-->
</script>
</head>
<body>
<div id="drag1" class="drag" style="left:10px;top:10px;background-color:red;" onmousedown="drag(this,event);" >show me you 2</div>
<div id="drag" class="drag" onmousedown="drag(this,event);" style="left:10px;top:10px;">show me you</div>
</body>
</html>
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