js 右侧浮动层效果实现代码(跟随滚动)_javascript技巧-js教程-PHP中文网

js 右侧浮动层效果实现代码(跟随滚动)_javascript技巧

php中文网

发布： 2016-05-16 15:30:45

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1536人浏览过

实现代码一、

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "
<html>
<head>
 <meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
 <title>无标题文档</title>
 <!--***********开始*************-->

 <script type="text/javascript">
  //<![CDATA[ 
  var tips; var theTop = 200/*这是默认高度,越大越往下*/; var old = theTop;
  function initFloatTips() {
   tips = document.getElementById('floatTips');
   moveTips();
  };
  function moveTips() {
   var tt = 50;
   if (window.innerHeight) {
    pos = window.pageYOffset
   }
   else if (document.documentElement && document.documentElement.scrollTop) {
    pos = document.documentElement.scrollTop
   }
   else if (document.body) {
    pos = document.body.scrollTop;
   }
   pos = pos - tips.offsetTop + theTop;
   pos = tips.offsetTop + pos / 10;
   if (pos < theTop) pos = theTop;
   if (pos != old) {
    tips.style.top = pos + "px";
    tt = 10;
   }
   old = pos;
   setTimeout(moveTips, tt);
  }
  //!]]> 
 </script>

 <style type="text/css">
  .floatTips
  {
   position: absolute;
   border: solid 1px #777;
   padding: 3px;
   top: 250px;
   right: 5px;
   width: 30px;
   height: 300px;
   background: #cccccc;
   color: white;
  }
  .showDiv
  {
   position: absolute;
   border: solid 1px #777;
   padding: 3px;
   top: 250px;
   right: 5px;
   width: 300px;
   height: 300px;
   background: #cccccc;
   color: white;
  }
 </style>
 <script type="text/javascript">
  function FunOnmouseUp() {
   var objFloatTips = $("floatTips");
   var objActivityContext = $("activityContext");
   objFloatTips.className = "showDiv";
   objActivityContext.style.display = "";
  }
  function FunMouseOut() {
   var objFloatTips = $("floatTips");
   var objActivityContext = $("activityContext");
   objFloatTips.className = "floatTips";
   objActivityContext.style.display = "none";
  }

  function $(objID) {
   return document.getElementById(objID);
  }
 </script>

</head>
<body onload="initFloatTips()">
 <div id="floatTips" onmouseover="FunOnmouseUp()" onmouseout="FunMouseOut()" class="floatTips">
  最新的活动
  <div id="activityContext" style="display: none">
   显示最新的活动
  </div>
 </div>
 <!--**********结束***************-->
 <table width="100%" border="0" cellpadding="0" cellspacing="0" bgcolor="#F7F7F7">
  <tr>
   <td height="2101">
   </td>
  </tr>
 </table>
</body>
</html>

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如果有时间的话会稍作美化然后加上动画效果应该就能算是个不错的浮动隐藏层了。

方法二、

一、把以下代码插入

标签中：

 <div id="FloatDIV" style="position: absolute;top: 0px; border-right: activeborder 1px solid; border-top: activeborder 1px solid; border-left: activeborder 1px solid; border-bottom: activeborder 1px solid;">
   浮动层示例：<br />
        <a target="_blank" href="tencent://message/&#63;uin=101535223&Site=http://www.jb51.net&Menu=yes">@@##@@</a>
 </div>

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二、把以下代码插到