关于登陆的时候验证的脚本问题

<div id="message"> </div>document.getElementById("message").innerHTML = "<font color=\"red\">密码错误.</font>";

解决方案 »

  1.   

    <script language="JavaScript">
    <!--
    function chkForm(){
        var user = document.getElementById("txtUserName");
        var pwd = document.getElementById("txtPwd");
        var divuser = document.getElementById("divUserName");
        var divpwd = document.getElementById("divPwd");
        divuser.innerHTML="";
        divpwd.innerHTML="";
        if(user.value==""){
            divuser.innerHTML = "<font style='color:red; font-size:12px'>请输入用户名</font>";
            return;
        }
        if(pwd.value==""){
            divpwd.innerHTML = "<font style='color:red; font-size:12px'>请输入密码</font>";
            return;
        }
    }
    //-->
    </script>
    <body>
    <table width="500" border="1">
    <tr>
    <td width="20%">用户名:</td>
    <td width="80%"><input type="text" id="txtUserName"><font id="divUserName" style='color:red; font-size:12px'></font></td>
    </tr>
    <tr>
    <td>密码:</td>
    <td><input type="password" id="txtPwd"><font id="divPwd" style='color:red; font-size:12px'></font></td>
    </tr>
    <tr>
    <td></td>
    <td><input type="button" value="确定" onclick="chkForm()"></td>
    </tr>
    </table>
    </body>关于日期的常见操作
    http://community.csdn.net//Expert/TopicView2.asp?id=4360247&datebasetype=now
    js FAQ贴
    http://community.csdn.net//Expert/TopicView2.asp?id=4356360&datebasetype=now
    DHTML手册,js手册,dom手册下载
    http://community.csdn.net//Expert/TopicView2.asp?id=4356325&datebasetype=now