js实现左右两侧浮动广告
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2022-06-14 11:57:57
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<...
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。
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