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JS实现的新闻列表自动滚动效果示例

2019-01-31 12:32 1581 查看

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.jb51.net/code/HtmlJsRun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：《JavaScript切换特效与技巧总结》、《JavaScript查找算法技巧总结》、《JavaScript错误与调试技巧总结》、《JavaScript数据结构与算法技巧总结》、《JavaScript遍历算法与技巧总结》及《JavaScript数学运算用法总结》

希望本文所述对大家JavaScript程序设计有所帮助。

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