日期:2014-05-16  浏览次数:20418 次

JS控制无缝循环
js实现图片垂直无缝循环
<html>
<head>
<title>无缝垂直图片滚动</title>
</head>
<body>
<div id=demo style=overflow:hidden;height:100;width:180;>  
<div id=demo1>  
 <img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">  
<img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">
<img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">
<img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">
<img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">
<img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">
<img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">
<img src="http://codefans.net/images/logo.gif" onclick="javascript:window.open(this.src);">
 </div>  
 <div id=demo2></div>  
 </div>  
   <script>  
   var speed=30  
   demo2.innerHTML=demo1.innerHTML
   function Marquee(){    
if(demo2.offsetTop-demo.scrollTop<=0)    
demo.scrollTop-=demo1.offsetHeight 
else{  
demo.scrollTop++  
   }  
   }  
   var MyMar=setInterval(Marquee,speed)
   demo.onmouseover=function() {clearInterval(MyMar)}  
   demo.onmouseout=function(){MyMar=setInterval(Marquee,speed)}  
</script>
</body>
</html>

js实现文字垂直无缝循环
<!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>javascript无缝滚动</title>
<meta charset="gb2312"/>
<style type="text/css">
#marquee ,#marquee li { padding:0px; margin:0px;}
#marquee { position:relative; list-style:none; height:150px; width:210px; padding-left:5px; overflow:hidden; border:10px solid #eee; }
#marquee li { position:absolute; font-size:12px;}
#marquee a { display:block; color:#999999; text-decoration:none;}
</style>
<script type="text/javascript">
  var Marquee = function(id){
    try{document.execCommand("BackgroundImageCache", false, true);}catch(e){};
    var container = document.getElementById(id),
    slide = container.getElementsByTagName("li")[0],
    speed = arguments[1] || 80,  //速度
    delta = 0,//当前滚动的位置
    critical = slide.offsetHeight;//临界点
    slide.innerHTML += slide.innerHTML;
    var rolling = function(){
      delta == -critical ? delta = 0 : delta--;
      slide.style.top = delta + "px";
    }
    var timer = setInterval(rolling,speed)//设置定时器
    container.onmouseover=function() {clearInterval(timer)}//鼠标移到marquee上时,清除定时器,停止滚动
    container.onmouseout=function() {timer=setInterval(rolling,speed)}//鼠标移开时重设定时器
  }
  window.onload = function(){
    Marquee("marquee");
  }
</script>
</head>
<body>
<ul id="marquee">
  <li>
    <a href="#">纤云弄巧,飞星传恨,银汉迢迢暗度。</a><br />
    <a href="#">金风玉露一相逢,便胜却、人间无数。</a><br />
    <a href="#">柔情似水,佳期如梦。忍顾鹊桥归路!</a><br />
    <a href="#">两情若是久长时,又岂在、朝朝暮暮。</a><br />
    <a href="#">千重劫,百世难,亘古匆匆,弹指间!</a><br />
    <a href="#">不死躯,不灭魂,震古烁今,无人敌!</a><br />
    <a href="#">待到阴阳逆乱时,以我魔血染青天!</a><br />
  </li>
</ul>
</body>
</html>