• JS实现广告浮动


    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
    <HTML>
    <HEAD>
    <title>浮动广告</title>
    <script type="text/javascript">

        var tips;
        var theTop = 50/*这是默认高度,越大越往下*/;
        var old = theTop;
       
        function initFloatTips() {
          tips = document.getElementById("QQFloat");
          moveTips();
        };
       
        function moveTips() {
          var tt=10;
          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;
          //alert(tips.style.top);
          }
          old = pos;
          setTimeout(moveTips,tt);
        }

     window.onload=initFloatTips;
    </script>
    </head>
    <body>
    <div id="QQFloat" style="top:50px;position: absolute;border:dashed 1px #F90;line-height:20px; 100px;">
    浮动广告<br>
    浮动广告<br>
    浮动广告<br>
    浮动广告<br>
    浮动广告<br>
    浮动广告<br>
    浮动广告<br>
    浮动广告<br>
    </div>
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    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/liyuxin/p/2044175.html
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