时间：2021-07-01 10:21:17 帮助过：18人阅读
本文实例为大家分享了js实现左右浮动广告展示的具体代码，供大家参考，具体内容如下
<html>
<title>左右两侧浮动广告</title>
<head>
</head>
<body>
<table style="background-color:#EEEEE2;width:1024px;height:2000px;t" align="center">
<tr><td> </td></tr>
</table>
<SCRIPT LANGUAGE="JavaScript">
<!--
var showad = true;
var Toppx = 60; //上端位置
var AdDivW = 100; //宽度
var AdDivH = 300; //高度
var PageWidth = 800; //页面多少宽度象素下正好不出现左右滚动条
var MinScreenW = 1024; //显示广告的最小屏幕宽度象素
var ClosebuttonHtml = '<div align="right" style="position: absolute;top:0px;right:0px;margin:2px;padding:2px;z-index:2000;"><a href="javascript:;" rel="external nofollow" rel="external nofollow" mce_href="javascript:;" rel="external nofollow" rel="external nofollow" onclick="hidead()" style="color:red;text-decoration:none;font-size:12px;" mce_style="color:red;text-decoration:none;font-size:12px;">关闭</a></div>'
var AdContentHtml = '<div align="center" style="color:green;font-size:23pt;font-family:黑体;" mce_style="color:green;font-size:23pt;font-family:黑体;"><br><br>广告</div>';
document
.write('<div id="Javascript.LeftDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'
+ ClosebuttonHtml
+ '<div>'
+ AdContentHtml
+ '</div></div>');
document
.write('<div id="Javascript.RightDiv" style="position: absolute;border: 1px solid #336699;background-color:#EEEEE2;z-index:1000;width:'+AdDivW+'px;height:'+AdDivH+'px;top:-1000px;word-break:break-all;display:none;">'
+ ClosebuttonHtml
+ '<div>'
+ AdContentHtml
+ '</div></div>');
function scall() {
if (!showad) {
return;
}
if (document.body.clientWidth < MinScreenW) {
//alert("临时提示：/n/n显示器分辨率宽度小于" + MinScreenW + ",不显示广告");
showad = false;
document.getElementById("Javascript.LeftDiv").style.display = "none";
document.getElementById("Javascript.RightDiv").style.display = "none";
return;
}
var Borderpx =( ((window.screen.width - PageWidth) / 2 - AdDivW) / 2 );
document.getElementById("Javascript.LeftDiv").style.display = "";
document.getElementById("Javascript.LeftDiv").style.top = document.body.scrollTop
+ Toppx;
document.getElementById("Javascript.LeftDiv").style.left = document.body.scrollLeft
+ Borderpx;
document.getElementById("Javascript.RightDiv").style.display = "";
document.getElementById("Javascript.RightDiv").style.top = document.body.scrollTop
+ Toppx;
document.getElementById("Javascript.RightDiv").style.left = document.body.scrollLeft
+ document.body.clientWidth
- document.getElementById("Javascript.RightDiv").offsetWidth
- Borderpx;
}
function hidead() {
showad = false;
document.getElementById("Javascript.LeftDiv").style.display = "none";
document.getElementById("Javascript.RightDiv").style.display = "none";
}
window.onscroll = scall;
window.onresize = scall;
window.onload = scall;
//-->
</SCRIPT>
</body>
</html>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。