一个鼠标感应图层上下浮动显示特效，只有用户的鼠标经过图层的时候才会触发，自定义浮动的幅度。
<html>
<head>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<meta name="keywords" content="武鸣人网站,武鸣信息网,武鸣本地网,武鸣信息资源平台,减肥,健身,励志,励志语录,js特效,网页特效,www.wuming.ren">
<meta name="description" content="欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。">
<title>鼠标感应图层方块浮动特效_武鸣人</title>
<style type="text/css">
body {
padding:0 40% 0 0;
}
#www_wuming_ren {
width:200px;
height:100px;
text-align:center;
background:#ccc;
position:absolute;
top:130px;
right:20px;
}
</style>
<script language="javascript" type="text/javascript">
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
oldonload();
func();
}
}
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function moveElement(elementID,final_x,final_y,interval) {
if (!document.getElementById) return false;
if (!document.getElementById(elementID)) return false;
var elem = document.getElementById(elementID);
if (elem.movement) {
clearTimeout(elem.movement);
}
if (!elem.style.right) {//alert("ok");
elem.style.right = "20px";
}
if (!elem.style.top) {
elem.style.top = "130px";
}
var xpos = parseInt(elem.style.right);
var ypos = parseInt(elem.style.top);
if (xpos == final_x && ypos == final_y) {
return true;
}
if (xpos < final_x) {
var dist = Math.ceil((final_x - xpos)/10);
xpos = xpos + dist;
}
if (xpos > final_x) {
var dist = Math.ceil((xpos - final_x)/10);
xpos = xpos - dist;
}
if (ypos < final_y) {
var dist = Math.ceil((final_y - ypos)/10);
ypos = ypos + dist;
}
if (ypos > final_y) {
var dist = Math.ceil((ypos - final_y)/10);
ypos = ypos - dist;
}
elem.style.right = xpos + "px";
elem.style.top = ypos + "px";
var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
elem.movement = setTimeout(repeat,interval);
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function downwww_wuming_ren() {
if (!document.getElementById) return false;
if (!document.getElementById("www_wuming_ren")) return false;
var list = document.getElementById("www_wuming_ren");
list.onmouseover = function() {
moveElement("www_wuming_ren",20,150,10);
}
}
addLoadEvent(downwww_wuming_ren);
function upwww_wuming_ren() {
if (!document.getElementById) return false;
if (!document.getElementById("www_wuming_ren")) return false;
var list = document.getElementById("www_wuming_ren");
list.onmouseout = function() {
moveElement("www_wuming_ren",20,130,35);
}
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
addLoadEvent(upwww_wuming_ren);
</script>
</head>
<body>
<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
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<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
<div id="www_wuming_ren">武鸣人提示您：<br />把鼠标移上来试试！</div>
</body>
</html>