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js實現網頁右上方滑出會自動消失大幅廣告的方法，js網頁
本文執行個體講述了js實現網頁右上方滑出會自動消失大幅廣告的方法。分享給大家供大家參考。具體實現方法如下：
複製代碼 代碼如下:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>js網頁右上方滑出會自動消失的大幅廣告效果</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<!--把下面代碼加到<head>與</head>之間-->
<script type="text/javascript" language="javascript">
var time = 500;
var w = 0;
function addCount()
{
if(time>0)
{
time--;
w = w+5;
}
else
{
return;
}
if(w>278)//寬度
{
return;
}
document.getElementById("ads").style.display = "";
document.getElementById("ads").style.width = w+"px";
setTimeout("addCount()",30);
}
window.onload = function showAds()
{
addCount();
setTimeout("noneAds()",3000);//停留時間
}
</script>
<script type="text/javascript" language="javascript">
var T = 198;
var N = 188;//高度
function noneAds()
{
if(T>0)
{
T--;
N = N-5;
}
else
{
return;
}
if(N<0)
{
document.getElementById("ads").style.display = "none";
return;
}
document.getElementById("ads").style.width = N+"px";
setTimeout("noneAds()",30);
}
</script>
</head>
<body>
<!--把下面代碼加到<body>與</body>之間-->
<div id="ads" style="margin:auto;display:none;position:absolute;width:200px;top:0px;right:0;height:200px;background-color:#d5282e;overflow:hidden;text-align:center;"><p align="center">歡迎訪問 <a href="http://www.bkjia.com" target="_blank">幫客之家</a>丨 該特效收集於互連網，只為興趣，不作商業用途。</p>
</div>
</body>
</html>
希望本文所述對大家的javascript程式設計有所協助。
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