JS实现的新闻列表自动滚动效果示例

2019-11-19 12:11:41

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本文实例讲述了JS实现的新闻列表自动滚动效果。分享给大家供大家参考，具体如下：

<!DOCTYPE html><html lang="en"><head>  <meta charset="UTF-8">  <title>Title</title>  <style type="text/css">    #box{width:260px;height:100px;margin:0 auto;border:2px solid red;overflow: hidden}    ul{padding:0;margin:0;list-style: none;overflow: hidden}    ul li{height:24px;line-height: 24px;padding-left:10px;}    a{text-decoration: none;color:#000;}    a:hover{color:#f00}  </style></head><body><div id="box">  <ul id="con1" onMouseOut="Up()" onMouseOver="Stop()">    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >1,课程html</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >2,课程css</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >3,课程js</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >4,课程jquery</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >5,课程html5</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >6,课程css3</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >7,课程hp</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >8,课程bpootstrap</a> </li>    <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >9,课程apicloud</a> </li>  </ul>  <ul id="con2"></ul></div></body><script type="text/javascript">  var box=document.getElementById("box");  var con1=document.getElementById("con1");  var con2=document.getElementById("con2");  var s=document.getElementsByTagName("a");  var speed=50;  con2.innerHTML=con1.innerHTML;  function ScrollUp(){    if( box.scrollTop>=con1.scrollHeight){      box.scrollTop=0;    }else      box.scrollTop++;  }  var i=setInterval("ScrollUp()",speed);  function Stop(){    clearInterval(i);  }  function Up(){    i=setInterval("ScrollUp()",speed);  }</script></html>

这里使用在线HTML/CSS/JavaScript代码运行工具：http://tools.VeVB.COm/code/HtmlJsRun测试上述代码，可得如下运行效果：