向左滚动文字 js代码效果

  

复制代码 代码如下:

  <html>

  <head>

  <title>滚动文字效果</title>

  <style type="text/css">

  #infozone{font-size:12px;color:#aa6;overflow:hidden;width:100px;height:20px;}

  #infozone div{height:20px;line-height:20px;white-space:nowrap;overflow:hidden;}

  </style>

  <script type="text/javascript">

  var tc;

  window.onload=function(){

  var o=document.getElementById('infozone');hscroll(o);

  window.setInterval(function(){window.clearTimeout(tc);o.firstChild.style.marginLeft='0px';scrollup(o,20,0);},10000);

  }

  function scrollup(o,d,c){

  if(d==c){

  var t=o.firstChild.cloneNode(true);

  o.removeChild(o.firstChild);o.appendChild(t);

  t.style.marginTop=o.firstChild.style.marginTop='0px';

  hscroll(o);

  }

  else{

  ch=false;var s=3,c=c+s,l=(c>=d?c-d:0);

  o.firstChild.style.marginTop=-c+l+'px';

  window.setTimeout(function(){scrollup(o,d,c-l)},50);

  }

  }

  function hscroll(o){

  var w1=o.firstChild.offsetWidth,w2=o.offsetWidth;

  if(w1<=w2)return;

  tc=window.setTimeout(function(){hs(o,w1-w2,0,w1-w2)},3500);

  }

  function hs(o,d,c,p){

  c++;var t=(c>0?-c:c);o.firstChild.style.marginLeft=t+'px';

  if(c==d){if(d==0){tc=window.setTimeout(function(){hs(o,p,0,p)},2500);}else tc=window.setTimeout(function(){hs(o,0,-p,p)},3500);}

  else tc=window.setTimeout(function(){hs(o,d,c,p)},5);

  }

  </script>

  </head>

  <body>

  <div id="infozone"><div>C# 鼠标属性动态操作相关源码示例,比如、隐藏与显示鼠标指针、将鼠标左右键功能互换、更换鼠标指针形状、调用Windows鼠标设置面板等,小技巧,多多益善。</div></div>

  </body>

  </html></td>

  </tr>

  </table>