javascript 展开收缩的滑动广告效果

作者：袖梨 2022-07-02

提示：您可以先修改部分代码再运行

<!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">
<head>
<title>展开收缩的滑动广告</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">

<style type="text/<a href="http://www.111com.net/cssdiv/css.html" target="_blank">css</a>">
body{margin:0;}
</style>
<script type="text/javascript"> 
var intervalId = null; 
function slideAd(id,nStayTime,sState,nMaxHth,nMinHth){ 
  this.stayTime=nStayTime*1000 || 3000; 
  this.maxHeigth=nMaxHth || 90; 
  this.minHeigth=nMinHth || 1; 
  this.state=sState || "down" ; 
  var obj = document.getElementById(id); 
  if(intervalId != null)window.clearInterval(intervalId); 
  function openBox(){ 
   var h = obj.offsetHeight; 
   obj.style.down") ? (h + 2) : (h - 2))+"px"; 
    if(obj.offsetHeight>this.maxHeigth){ 
    window.clearInterval(intervalId); 
    intervalId=window.setInterval(closeBox,this.stayTime); 
    } 
    if (obj.offsetHeight<this.minHeigth){ 
    window.clearInterval(intervalId); 
    obj.style.display="none"; 
    } 
  } 
  function closeBox(){ 
   slideAd(id,this.stayTime,"up",nMaxHth,nMinHth); 
  } 
  intervalId = window.setInterval(openBox,10); 
} 
</script> 
</head>
<body>

<div id="MyMoveAd" style="background:#FF0000;text-align:center;overflow:hidden;"> 
广告内容
</div>
<script type="text/javascript"> 
 
</script>
</body>
</html>

提示：您可以先修改部分代码再运行

javascript 展开收缩的滑动广告效果

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