每次我在未填写正确信息时单击提交时，每个部分都会有一条警告消息，并且文本应该变成红色，但它正在链接到链接的文件。如果有人可以帮助解决这个问题，我会非常感激。
<html>
<head>
<title>Exam Entry</title>
<script language="javascript" type="text/javascript">
function validateForm() {
var result = true;
var msg="";
if (document.ExamEntry.Name.value=="") {
msg+="You must enter your Name \n";
document.ExamEntry.Name.focus();
document.getElementById('Name').style.color="red";
result = false;
}
if (document.ExamEntry.Subject.value=="") {
msg+="You must enter the Subject \n";
document.ExanEntry.Subject.focus();
document.getElementById('Subject').style.color="red";
result = false;
}
if (document.ExamEntry.ExamNumber.value=="") {
msg+="You must enter the ExamNumber \n";
document.ExanEntry.ExamNumber.focus();
document.getElementById('ExamNumber').style.color="red";
result = false;
}
if (document.ExamEntry.ExamNumber.value.length!=4) {
msg+="You must enter at least Four Numbers in the ExamNumber \n";
document.ExamEntry.ExamNumber.focus();
document.getElementById('ExamNumber').style.color="red";
result = false;
}
if ( ( Examentry.Exam Level[0].checked == false ) && ( Examentry.Exam Level[1].checked == false ) && ( Examentry.Exam Level[2].checked == false ))
{
alert
( "Please select you Exam Level" );
return false;
}
if(msg==""){
return result;
}
{
alert(msg)
return result;
}
}
</script>
</head>
<body>
<h1>Exam Entry Form</h1>
<form name="ExamEntry" method="post" action="success.html">
<table width="50%" border="0">
<tr>
<td id="Name">Name</td>
<td><input type="text" name="Name" /></td>
</tr>
<tr>
<td id="Subject">Subject</td>
<td><input type="text" name="Subject" /></td>
</tr>
<tr>
<td id="ExamNumber">ExamNumber</td>
<td><input type="text" name="ExamNumber" Length="4"/>
<front size="1">(Maximum characters: 4)</font></td>
</tr>
<tr>
<td id="Exam Level">Exam Level</td>
<td><input type="radio" name="age" value="GCSE">GCSE<br>
<input type="radio" name="Exam Level" value="AS">AS<br>
<input type="radio" name="Exam Level" value="A2">A2</td>
</tr>
<tr>
<td><input type="submit" name="Submit" value="Submit" onclick="return validateForm();" /></td>
<td><input type="reset" name="Reset" value="Reset" /></td>
</tr>
<tr>
</tr>
</table>
</form>
</body>
</html>
这是它链接到的文件...
<head>
<title>Success message</title>
</head>
<body>
<H1> You entered all the data required </H1>
</body>