Div跟随鼠标移动 

<meta http-equiv="Content-Language" content="zh-cn" />
<title>事件对象-Div跟鼠标移动</title>
<meta name="keywords" content="" />
<meta name="description" content="" />
<style type="text/css">
*{margin: 0px; padding: 0px; font-size:14px; font-family:'微软雅黑';}
.clearfix:after{content:'.';display:block;height:0;clear:both;visibility:hidden}
.clearfix{display:inline-block;}
* html .clearfix{height:1%}
.clearfix{display:black;}
#box{width:100px;height:100px;background:red;position:absolute;}
</style>
</head>
<body>
<div id='box'></div>
<script type="text/javascript">
window.onload=function(){
 document.onmousemove =function(ev){
    var oDiv=document.getElementById('box');
    var Event=ev||event;
    var pos = getPos(Event);
    oDiv.style.left = pos.x+'px';
    oDiv.style.top = pos.y+'px';    
 } 
 function getPos(ev){
    var scrollTop = document.documentElement.scrollTop||document.body.scrollTop;
    var scrollLeft = document.documentElement.scrollLeft||document.body.scrollLeft;
    return {x:ev.clientX+scrollLeft,y:ev.clientY+scrollLeft};    
 };
}
</script>
</body>
</html>

鼠标事件:
clientX 是可视区的横坐标
clientY 是可视区的纵坐标
var scrollTop=document.documentElement.scrollTop||document.body.scrollTop;
var scrollLeft = document.documentElement.scrollLeft||document.body.scrollLeft;
document.documentElement.clinetWidth 可视区的宽
document.documentElement.clinetHeight 可视区的高

posted @ 2014-04-11 09:05  潇潇杀  阅读(152)  评论(0)  编辑  收藏  举报