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JS实现的新闻列表自动滚动效果示例

网络编程 2021-07-04 15:50www.168986.cn编程入门
这篇文章主要介绍了JS实现的新闻列表自动滚动效果,涉及javascript基于时间函数的页面元素属性动态变换相关操作技巧,需要的朋友可以参考下

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="S()">
    <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 S(){
    clearInterval(i);
  }
  function Up(){
    i=setInterval("ScrollUp()",speed);
  }
</script>
</html>

这里使用在线HTML/CSS/JavaScript代码运行工具测试上述代码，可得如下运行效果

更多关于JavaScript相关内容感兴趣的读者可查看本站专题《》、《》、《》、《》、《》及《》

希望本文所述对大家JavaScript程序设计有所帮助。

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