原生JS实现目录滚动特效
分享一个用原生JS实现的文字滚动效果,这种效果通常用在网页中一些局部展示信息,如新闻、动态、充值记录等,效果如下:
实现代码如下:
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>原生JS实现目录滚动特效</title> <style> body { font-size: 12px; line-height: 24px; text-align: center; } * { margin: 0px; padding: 0px; } ul { list-style: none; } a img { border: none; } a { color: #333; text-decoration: none; } a:hover { color: #ff0000; } #mooc { width: 399px; border: 5px solid #ababab; -moz-border-radius: 15px; -webkit-border-radius: 15px; border-radius: 15px; box-shadow: 2px 2px 10px #ababab; margin: 50px auto 0; text-align: left; } #moocTitle { height: 62px; overflow: hidden; font-size: 26px; line-height: 62px; padding-left: 30px; /* Firefox */ background-image: -moz-linear-gradient(top, #f05e6f, #c9394a); /* Saf4+, Chrome */ background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #f05e6f), color-stop(1, #c9394a)); /* IE*/ filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#8fa1ff', endColorstr='#f05e6f', GradientType='0'); border: 1px solid ##f05e6f; /* Gecko browsers */ -moz-border-radius: 8px 8px 0 0; /* Webkit browsers */ -webkit-border-radius: 8px 8px 0 0; border-radius: 8px 8px 0 0; color: #fff; position: relative; } #moocTitle a { position: absolute; right: 10px; bottom: 10px; display: inline; color: #fff; font-size: 12px; line-height: 24px; } #moocBot { width: 399px; height: 10px; overflow: hidden; } #moocBox { height: 144px; width: 335px; margin-left: 25px; margin-top: 10px; overflow: hidden; } #mooc ul li { height: 24px; } #mooc ul li a { width: 180px; float: left; display: block; overflow: hidden; text-indent: 15px; height: 24px; } #mooc ul li span { float: right; color: #999; } </style> </head> <body> <div id="mooc"> <h3 id="moocTitle"> 最新课程<a href="#" target="_self">更多>></a> </h3> <div id="moocBox"> <ul id="con1"> <li> <a href="#" >1.绝对的屌丝逆袭</a> <span>2013-09-18</span> </li> <li> <a href="#" >2.tab页面切换效果</a> <span>2013-10-09</span> </li> <li> <a href="#" >3.圆角水晶按钮制作</a> <span>2013-10-21</span> </li> <li> <a href="#" >4.HTML+CSS基础课程</a> <span>2013-11-01</span> </li> <li> <a href="#" >5.分页页码制作</a> <span>2013-11-06</span> </li> <li> <a href="#" >6.导航条菜单的制作</a> <span>2013-11-08</span> </li> <li> <a href="#" >7.信息列表制作</a> <span>2013-11-15</span> </li> <li> <a href="#" >8.下拉菜单制作</a> <span>2013-11-22</span> </li> <li> <a href="#" >9.如何实现“新手引导”效果</a> <span>2013-12-06</span> </li> </ul> <ul id="con2"></ul> </div> </div> <script type="text/javascript"> //获取滚动列表容器 var area = document.getElementById('moocBox'); //获取列表1 var con1 = document.getElementById('con1'); //获取空列表2 var con2 = document.getElementById('con2'); //设定定时器执行时间间隔 var speed = 50; //设定向上滚动变量 area.scrollTop = 0; //复制列表1的内容给列表2 con2.innerHTML = con1.innerHTML; //向上滚动函数 function scrollUp() { //当滚动列表向滚动的高度大于等于列表自身的高度时 if (area.scrollTop >= con1.scrollHeight) { //将列表滚动高度归零,重新开始滚 area.scrollTop = 0; //否则 } else { //继续滚 area.scrollTop++; } } //存储定时器 var myScroll = setInterval("scrollUp()", speed); //当鼠标移入的时候,清除定时器 area.onmouseover = function () { clearInterval(myScroll); } //当鼠标移开的时候,启动定时器 area.onmouseout = function () { myScroll = setInterval("scrollUp()", speed); } </script> </body> </html>
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