JS右下角廣告窗口代碼(可收縮、展開及關閉)
編輯：關於JavaScript
本文實例講述了JS右下角廣告窗口代碼。分享給大家供大家參考。具體如下：
這是一款右下角窗口JS代碼，完美的右下角，仿新浪博客的右個角彈出窗口，這款Javascript代碼在兼容性和操作舒適度方面做的相當不錯。調用了幾張外部的圖片，使用時自行下載吧。
運行效果截圖如下：
在線演示地址如下：
http://demo.jb51.net/js/2015/js-right-buttom-show-close-able-adv-codes/
具體代碼如下：
<!DOCTYPE html PUBLIC "-//W3C//h2D XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/h2D/xhtml1-transitional.h2d">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
* { padding: 0; margin: 0; }
li { list-style: none; }
body { background: #eee; }
.float_layer { width: 300px; border: 1px solid #aaaaaa; display:none; background: #fff; }
.float_layer h2 { height: 25px; line-height: 25px; padding-left: 10px; font-size: 14px; color: #333; background: url(images/title_bg.gif) repeat-x; border-bottom: 1px solid #aaaaaa; position: relative; }
.float_layer .min { width: 21px; height: 20px; background: url(images/min.gif) no-repeat 0 bottom; position: absolute; top: 2px; right: 25px; }
.float_layer .min:hover { background: url(images/min.gif) no-repeat 0 0; }
.float_layer .max { width: 21px; height: 20px; background: url(images/max.gif) no-repeat 0 bottom; position: absolute; top: 2px; right: 25px; }
.float_layer .max:hover { background: url(images/max.gif) no-repeat 0 0; }
.float_layer .close { width: 21px; height: 20px; background: url(images/close.gif) no-repeat 0 bottom; position: absolute; top: 2px; right: 3px; }
.float_layer .close:hover { background: url(images/close.gif) no-repeat 0 0; }
.float_layer .content { height: 160px; overflow: hidden; font-size: 14px; line-height: 18px; color: #666; text-indent: 28px; }
.float_layer .wrap { padding: 10px; }
</style>
<script type="text/javascript">
function miaovAddEvent(oEle, sEventName, fnHandler)
{
if(oEle.attachEvent)
{
oEle.attachEvent('on'+sEventName, fnHandler);
}
else
{
oEle.addEventListener(sEventName, fnHandler, false);
}
}
window.onload = function()
{
var oDiv=document.getElementById('miaov_float_layer');
var oBtnMin=document.getElementById('btn_min');
var oBtnClose=document.getElementById('btn_close');
var oDivContent=oDiv.getElementsByTagName('div')[0];
var iMaxHeight=0;
var isIE6=window.navigator.userAgent.match(/MSIE 6/ig) && !window.navigator.userAgent.match(/MSIE 7|8/ig);
oDiv.style.display='block';
iMaxHeight=oDivContent.offsetHeight;
if(isIE6)
{
oDiv.style.position='absolute';
repositionAbsolute();
miaovAddEvent(window, 'scroll', repositionAbsolute);
miaovAddEvent(window, 'resize', repositionAbsolute);
}
else
{
oDiv.style.position='fixed';
repositionFixed();
miaovAddEvent(window, 'resize', repositionFixed);
}
oBtnMin.timer=null;
oBtnMin.isMax=true;
oBtnMin.onclick=function ()
{
startMove
(
oDivContent, (this.isMax=!this.isMax)?iMaxHeight:0,
function ()
{
oBtnMin.className=oBtnMin.className=='min'?'max':'min';
}
);
};
oBtnClose.onclick=function ()
{
oDiv.style.display='none';
};
};
function startMove(obj, iTarget, fnCallBackEnd)
{
if(obj.timer)
{
clearInterval(obj.timer);
}
obj.timer=setInterval
(
function ()
{
doMove(obj, iTarget, fnCallBackEnd);
},30
);
}
function doMove(obj, iTarget, fnCallBackEnd)
{
var iSpeed=(iTarget-obj.offsetHeight)/8;
if(obj.offsetHeight==iTarget)
{
clearInterval(obj.timer);
obj.timer=null;
if(fnCallBackEnd)
{
fnCallBackEnd();
}
}
else
{
iSpeed=iSpeed>0?Math.ceil(iSpeed):Math.floor(iSpeed);
obj.style.height=obj.offsetHeight+iSpeed+'px';
((window.navigator.userAgent.match(/MSIE 6/ig) && window.navigator.userAgent.match(/MSIE 6/ig).length==2)?repositionAbsolute:repositionFixed)()
}
}
function repositionAbsolute()
{
var oDiv=document.getElementById('miaov_float_layer');
var left=document.body.scrollLeft||document.documentElement.scrollLeft;
var top=document.body.scrollTop||document.documentElement.scrollTop;
var width=document.documentElement.clientWidth;
var height=document.documentElement.clientHeight;
oDiv.style.left=left+width-oDiv.offsetWidth+'px';
oDiv.style.top=top+height-oDiv.offsetHeight+'px';
}
function repositionFixed()
{
var oDiv=document.getElementById('miaov_float_layer');
var width=document.documentElement.clientWidth;
var height=document.documentElement.clientHeight;
oDiv.style.left=width-oDiv.offsetWidth+'px';
oDiv.style.top=height-oDiv.offsetHeight+'px';
}
</script>
</head>
<body style="height: 2200px">
<div class="float_layer" id="miaov_float_layer">
<h2>
<strong>這是標題</strong>
<a id="btn_min" href="javascript:;" class="min"></a>
<a id="btn_close" href="javascript:;" class="close"></a>
</h2>
<div class="content">
<div class="wrap">
這裡放置的是廣告信息，你可以填入任何的廣告內容，比如像這樣：<strong>是國內專業的網站建設資源、腳本編程學習類網站，提供asp、php、asp.net、javascript、jquery、vbscript、dos批處理、網頁制作、網絡編程、網站建設等編程資料</strong>腳本特效下載地址：<address>http://www.jb51.net/jiaoben/</address>
</div>
</div>
</div>
</body>
</html>
希望本文所述對大家的javascript程序設計有所幫助。
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