使用jquery实现鼠标悬停显示层
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="jquery-1.8.1.min.js"></script>
</head>
<body>
<div id="mydiv1" style="position:absolute;display:none;border:1px solid silver;background:silver;">
提示1效果
</div>
<div id="mydiv2" style="position:absolute;display:none;border:1px solid silver;background:silver;">
提示2效果
</div>
<a id="t1" onMouseOver="javascript:show(this,‘mydiv1‘);" onMouseOut="hide(this,‘mydiv1‘)">鼠标放上去1</a>
<br><br><br><br><br>
<a id="t2" onMouseOver="javascript:show(this,‘mydiv2‘);" onMouseOut="hide(this,‘mydiv2‘)">鼠标放上去2</a>
<script type="text/javascript">
function show(obj,id) {
var objDiv = $("#"+id+"");
$(objDiv).css("display","block");
$(objDiv).css("left", event.clientX);
$(objDiv).css("top", event.clientY + 10);
}
function hide(obj,id) {
var objDiv = $("#"+id+"");
$(objDiv).css("display", "none");
}
</script>
</body>
</html>
代码来自网络
原文：http://www.cnblogs.com/amibandoufu/p/5327131.html