The example in this article describes the JS implementation of a very practical couplet advertising code (with adaptive height). Share it with everyone for your reference. The details are as follows:
This is a very practical web page couplet advertising code based on JS CSS DIV. It adapts to the height of the web page, that is, it always maintains a certain debugging. This one does not have a closing function for the time being.
The screenshot of the running effect is as follows:
The online demo address is as follows:
http://demo.jb51.net/js/2015/js-lr-useful-adv-auto-height-codes/
The specific code is as follows:
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>简洁对联广告代码</title> <script language="JavaScript" type="text/javascript"> lastScrollY=0; function heartBeat(){ var diffY; if (document.documentElement && document.documentElement.scrollTop) diffY = document.documentElement.scrollTop; else if (document.body) diffY = document.body.scrollTop else {/*Netscape stuff*/} //alert(diffY); percent=.1*(diffY-lastScrollY); if(percent>0)percent=Math.ceil(percent); else percent=Math.floor(percent); document.getElementById("lovexin12").style.top=parseInt(document.getElementById ("lovexin12").style.top)+percent+"px"; document.getElementById("lovexin14").style.top=parseInt(document.getElementById ("lovexin12").style.top)+percent+"px"; lastScrollY=lastScrollY+percent; //alert(lastScrollY); } suspendcode12="<DIV id=\"lovexin12\" style='left:2px;POSITION:absolute;TOP:120px;'>ad1</div>" suspendcode14="<DIV id=\"lovexin14\" style='right:2px;POSITION:absolute;TOP:120px;'>ad2</div>" document.write(suspendcode12); document.write(suspendcode14); window.setInterval("heartBeat()",1); </script> <style type="text/css"> <!-- #lovexin12,#lovexin14{ width:100px; height:230px; background-color:yellow; border:2px solid red; } html,body{ height:800px; } #mm{ height:800px; } --> </style> </head> <body> <div id="mm"> 基于JS+CSS+DIV的网页对联广告代码 </div> </body> </html>
I hope this article will be helpful to everyone’s JavaScript programming.