这是怎么了? 呵呵,注意一下javascript的基本的语法就可以了。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%><link rel="stylesheet" type="text/css" href="css/STYLE.CSS"><script language="JavaScript" type="text/javascript"><!--function datacheck(){var abc;if(document.addguest.subject.value=="")//focusto(0);alert("dddd");}//sub focusto(x)//document.addguest.elements(x).focus();//end sub--></script><body> <form action="addnew.asp" method="POST" name="addguest"> <table width="247" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="25" width="35" align="center" class="jnfont3">主题</td> <td height="25" width="212"> <input type="text" size="26" maxlength="20" name="Subject" class="input1"> </td> </tr> <tr> <td height="26" width="35" align="center" class="jnfont3">昵称</td> <td height="26" width="212"> <input type="text" name="Name" size="20" maxlength="9" class="input1" > </td> </tr> <tr> <td height="25" width="35" align="center" class="jnfont3">信箱</td> <td height="25" width="212"> <input type="text" name="Email" size="26" maxlength="50" class="input1" > </td> </tr> <tr> <td height="25" width="35" align="center" class="jnfont3">主页</td> <td height="25" width="212"> <input type="text" name="Homepage" size="30" maxlength="50" value="http://" class="input1" > </td> </tr> <tr> <td height="25" width="35" align="center" class="jnfont3">OICQ</td> <td height="25" width="212"> <input type="text" name="Oicq" size="16" maxlength="10" class="input1" > </td> </tr> </table> <table width="280" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td height="25" align="center" class="jnfont3">留言内容: </td> </tr> <tr> <td height="25" colspan="2" align="center"> <textarea name="content" cols="36" rows="8" wrap="PHYSICAL" class="testarea1"></textarea> </td> </tr> </table> <p align="center"> <input type="submit" value="写完了" name="button" class="input2" onClick="datacheck()"> <input type="reset" value="重新写" name="reset" class="input2"> </p></form></body></html>这个代码,没法验证,直接就被addnew.asp处理了! 刚才找到原因了,type="submit"应该为type="button",但是,还是不能验证 应该是if(document.addguest.Subject.value=="") 区分大小写的 关于JS的取值问题 浏览器不能识别javascript 请教大家一个关于innerHTML的问题 怎样得到一类控件 简单问题,在线等结果 [馨郁星愿] 2个日期差的判断,怎么判断啊! 我好急~~~能不能請俠寫個東東呀 请问这段javascript有什么问题? 我要实现一个这样的登录方法不知道该怎样实现?请高手帮忙! 如何在网页中调用另一个*.js文件中的方法 关于模式窗体的问题 DropDownList1的不显示的属性是什么?
<link rel="stylesheet" type="text/css" href="css/STYLE.CSS">
<script language="JavaScript" type="text/javascript">
<!--
function datacheck(){
var abc;
if(document.addguest.subject.value=="")
//focusto(0);
alert("dddd");
}
//sub focusto(x)
//document.addguest.elements(x).focus();
//end sub
-->
</script>
<body>
<form action="addnew.asp" method="POST" name="addguest">
<table width="247" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td height="25" width="35" align="center" class="jnfont3">主题</td>
<td height="25" width="212"> <input type="text" size="26" maxlength="20" name="Subject" class="input1">
</td>
</tr>
<tr>
<td height="26" width="35" align="center" class="jnfont3">昵称</td>
<td height="26" width="212"> <input type="text" name="Name" size="20" maxlength="9" class="input1" >
</td>
</tr>
<tr>
<td height="25" width="35" align="center" class="jnfont3">信箱</td>
<td height="25" width="212"> <input type="text" name="Email" size="26" maxlength="50" class="input1" >
</td>
</tr>
<tr>
<td height="25" width="35" align="center" class="jnfont3">主页</td>
<td height="25" width="212"> <input type="text" name="Homepage" size="30" maxlength="50" value="http://" class="input1" >
</td>
</tr>
<tr>
<td height="25" width="35" align="center" class="jnfont3">OICQ</td>
<td height="25" width="212"> <input type="text" name="Oicq" size="16" maxlength="10" class="input1" >
</td>
</tr>
</table>
<table width="280" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td height="25" align="center" class="jnfont3">留言内容: </td>
</tr>
<tr>
<td height="25" colspan="2" align="center"> <textarea name="content" cols="36" rows="8" wrap="PHYSICAL" class="testarea1"></textarea>
</td>
</tr>
</table>
<p align="center">
<input type="submit" value="写完了" name="button" class="input2" onClick="datacheck()">
<input type="reset" value="重新写" name="reset" class="input2">
</p>
</form>
</body>
</html>
这个代码,没法验证,直接就被addnew.asp处理了!