javascript拖动小例子_H5之家 - 中国HTML5教程资源分享第一站

<html>
<head>
<meta http-equiv="Content" content="text/html;chartset=utf-8">
<title>test drag</title>
<style type="text/css">

</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>