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04.10.2003 at 05:20PM PDT, ID: 20581700
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7.4

JavaScript Error Checking

Asked by llcooljayce in JavaScript

Tags: ,

Can anyone tell me what is wrong with this code?

<html>
<head>
<title>JavaScript Error Checking</title>
<script language = "javascript">
function checkWholeForm(theForm)
{
   why = "";
   why += checkFname(theForm.fname.value);
   why += checkLname(theForm.lname.value);
   why += checkEmail(theForm.email.value);
   why += checkPhone(theForm.phone.value);

   if (why != "")
   {
      alert(why);
      return false;
   }
return true;
}

function checkFname(string)
{
  var error = "";
   if (!(string.search(/(a-z) +/))) || (!(string.search(/(A-Z) + /)))
      error = "First name is wrong";
}

function checkLname(string)
{
   var error = "";
   if (!(string.search(/(a-z) +/))) || (!(string.search(/(A-Z) + /)))
      error = "Last name is wrong";
}

function checkEmail(string)
{
   var error = "";
   var emailFilter = /^.+@.+\..{2,3}$/;

   if (!(emailFilter.test(string)))
  {
      error = "Email is wrong";
  }
}

function checkPhone(string)
{
   var error = "";
   error = "Phone number is wrong";
}
   
</script>
</head>
<body>
<font size = +1><b>This is a sample registration form.</b></font><br>
<font size = "-1">Please fill in all fields and click Register</font>
<form name = "theForm">
<img src = "user.gif"><br>
<font size = "-1">Pleae fill out the fields below</font><br>
<img src = "fname.gif">
   <input type = "text" name = "fname" size = "23"><br>
<img src = "lname.gif">
   <input type = "text" name = "lname" size = "23"><br>
<img src = "email.gif">
   <input type = "text" name = "email" size = "23"><br>
<img src = "phone.gif">
   <input type = "text" name = "phone" size = "23"><br>
<font size = "-2">Must be in the form (555)555-5555</font><br><br>
   <input type = "button" value = "Verify" size = "23" onClick = "checkWholeForm(this)"><br>
</form>
</body>
</html>


I got most of my information from http://www.oreillynet.com/pub/a/javascript/2001/08/10/form_valid.html.  Not too sure why its not working.

ThanksStart Free Trial
[+][-]04.10.2003 at 05:53PM PDT, ID: 8310693

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About this solution

Zone: JavaScript
Tags: checking, error
Sign Up Now!
Solution Provided By: superslamwich
Participating Experts: 4
Solution Grade: A
 
 
[+][-]04.10.2003 at 08:25PM PDT, ID: 8311203

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