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来源：互联网发布：磐石投票软件编辑：程序博客网时间：2024/06/07 10:28

    <!DOCTYPE html>    <html>         <head>        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">        <style>            div#content{                border:1px solid black;                overflow:auto;                width:400px;                height:200px;            }            </style>            <script>                var send = function(){                    content.innerHTML += txt.value + "<br /><br/>";                    content.scrollTop = content.scrollHeight;                }            </script>        <title>RunJS 演示代码</title>      </head>    <body>          公告墙        <div id='content'>        <p>今天我觉得天气不错</p>        <p>你觉得天气怎么样呢</p>      </div>        <br />        <form>                   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;输入框<input type="text" id="txt"  /><br /><br />        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type="reset" onclick="send()" value="发布">         </form>      </body>    </html>

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