聊天窗口，滚动条置底

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script type="text/javascript">
      function add() {
      var now = new Date();
      var div = document.getElementById('scrolldIV');
      div.innerHTML = div.innerHTML + 'time_' + now.getTime() + '<br />';
      div.scrollTop = div.scrollHeight; 
      }
       
      function scrollWindow() {
      scroll(0, 100000);
      setTimeout('scrollWindow()', 200);
      }
      window.onload = function() { scrollWindow(); }
      </script>

</head>

<body>
 <div id="scrolldIV" style="overflow-y:scroll;  overflow-x:hidden; height: 100px; width: 400px; border: 1px solid #999;">
      </div>
      <input type="button" value="插入一行" onclick="add();">
</body>
</html>

posted on 2011-07-02 22:08 lovening 阅读(917) 评论(0) 编辑收藏举报