Posted in Javascript onDecember 12, 2014
js制作web网页左右悬浮广告特效。
引用：
<script src="js/ad.js" type="text/javascript"></script>
2、页面调用
<!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" lang="zh-CN">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js制作web网页左右悬浮广告特效_3water.com</title>
<style>
body{font-family:Arial, Helvetica, sans-serif,"宋体"; font-size:12px; height:2000px; color:#667382}
*{ padding:0px; margin:0px;}
ul{margin:0px;padding:0px;}
li{list-style-type:none;margin:0px;padding:0px;}
.fl{ float:left;}
.fr{ float:right;}
.cl{ clear:both;}
.zz {margin-top: 0px;margin-right: auto;margin-bottom: 0px; margin-left: auto;}
.tc{ text-align:center;}
.jiac{ font-weight:bold;}
.cur{cursor: pointer;}
img{ border:0px;}
</style>
</head>
<body>
<script src="js/ad.js" type="text/javascript"></script>
</body>
</html>
3、js悬浮广告代码 ad.js
var browser={ie6:function(){return((window.XMLHttpRequest==undefined)&&(ActiveXObject!=undefined))},getWindow:function(){var myHeight=0;var myWidth=0;if(typeof(window.innerWidth)=='number'){myHeight=window.innerHeight;myWidth=window.innerWidth}else if(document.documentElement){myHeight=document.documentElement.clientHeight;myWidth=document.documentElement.clientWidth}else if(document.body){myHeight=document.body.clientHeight;myWidth=document.body.clientWidth}return{'height':myHeight,'width':myWidth}},getScroll:function(){var myHeight=0;var myWidth=0;if(typeof(window.pageYOffset)=='number'){myHeight=window.pageYOffset;myWidth=window.pageXOffset}else if(document.documentElement){myHeight=document.documentElement.scrollTop;myWidth=document.documentElement.scrollLeft}else if(document.body){myHeight=document.body.scrollTop;myWidth=document.body.scrollLeft}return{'height':myHeight,'width':myWidth}},getDocWidth:function(D){if(!D)var D=document;return Math.max(Math.max(D.body.scrollWidth,D.documentElement.scrollWidth),Math.max(D.body.offsetWidth,D.documentElement.offsetWidth),Math.max(D.body.clientWidth,D.documentElement.clientWidth))},getDocHeight:function(D){if(!D)var D=document;return Math.max(Math.max(D.body.scrollHeight,D.documentElement.scrollHeight),Math.max(D.body.offsetHeight,D.documentElement.offsetHeight),Math.max(D.body.clientHeight,D.documentElement.clientHeight))}};var dom={ID:function(id){var type=typeof(id);if(type=='object')return id;if(type=='string')return document.getElementById(id);return null},insertHtml:function(html){var frag=document.createDocumentFragment();var div=document.createElement("div");div.innerHTML=html;for(var i=0,ii=div.childNodes.length;i<ii;i++){frag.appendChild(div.childNodes[i])}document.body.insertBefore(frag,document.body.firstChild)}};var myEvent={add:function(element,type,handler){var ele=dom.ID(element);if(!ele)return;if(ele.addEventListener)ele.addEventListener(type,handler,false);else if(ele.attachEvent)ele.attachEvent("on"+type,handler);else ele["on"+type]=handler},remove:function(element,type,handler){var ele=dom.ID(element);if(!ele)return;if(ele.removeEventListener)ele.removeEventListener(type,handler,false);else if(ele.detachEvent)ele.detachEvent("on"+type,handler);else ele["on"+type]=null}};var position={rightCenter:function(id){var id=dom.ID(id);var ie6=browser.ie6();var win=browser.getWindow();var ele={'height':id.clientHeight,'width':id.clientWidth};if(ie6){var scrollBar=browser.getScroll()}else{var scrollBar={'height':0,'width':0};id.style.position='fixed'}ele.top=parseInt((win.height-ele.height)/2+scrollBar.height);id.style.top=ele.top+'px';id.style.right='3px'},floatRightCenter:function(id){position.rightCenter(id);var fun=function(){position.rightCenter(id)};if(browser.ie6()){myEvent.add(window,'scroll',fun);myEvent.add(window,'resize',fun)}else{myEvent.add(window,'resize',fun)}},leftCenter:function(id){var id=dom.ID(id);var ie6=browser.ie6();var win=browser.getWindow();var ele={'height':id.clientHeight,'width':id.clientWidth};if(ie6){var scrollBar=browser.getScroll()}else{var scrollBar={'height':0,'width':0};id.style.position='fixed'}ele.top=parseInt((win.height-ele.height)/2+scrollBar.height);id.style.top=ele.top+'px';id.style.left='3px'},floatLeftCenter:function(id){position.leftCenter(id);var fun=function(){position.leftCenter(id)};if(browser.ie6()){myEvent.add(window,'scroll',fun);myEvent.add(window,'resize',fun)}else{myEvent.add(window,'resize',fun)}}};
function ad_left(){
var html;
html = '<div id="ad_left" style="position:absolute;width:130px;height:300px;z-index:10001"><a style="position:absolute;top:-15px;left:0;" href="javascript:void(0);" onclick="document.getElementById(\'ad_left\').style.display=\'none\'">关闭</a><a href="http://www.plchome.org"><img src="images/ad.jpg" width="130" height="300" /></a></div>';
dom.insertHtml(html);position.floatLeftCenter('ad_left');
}
function ad_right(){
var html;
html = '<div id="ad_right" style="position:absolute;width:130px;height:300px;z-index:10001"><a style="position:absolute;top:-15px;right:0;" href="javascript:void(0);" onclick="document.getElementById(\'ad_right\').style.display=\'none\'">关闭</a><a href="https://3water.com"><img src="images/ad.jpg" width="130" height="300" /></a></div>';
dom.insertHtml(html);position.floatRightCenter('ad_right');
}
myEvent.add(window,'load',ad_left);
myEvent.add(window,'load',ad_right);
完成。
js 左右悬浮对联广告特效代码
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