js实现左右两侧浮动广告
程序员文章站
2023-11-11 21:02:46
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
左右两侧浮动广告<...</div>
<div class="content">
<p>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<br></p>
<div class="jb51code">
<pre class="brush: javascript;">
<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>
</pre>
</div>
<p>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。</p> </div>
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