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Can anyone tell me whats wrong with this script
Posted 08 May 2012 01:50:09
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08 May 2012 01:50:09 kelly henagin posted:
here's this form vaidation script, and I know it's all on one file, (I'm trying to test it)The form displays in the browser, but the validation doesn't work.
Any ideas why?
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” ”http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd” ><html xmlns=”http://www.w3.org/1999/xhtml”>
<head>
<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8? />
<title>Javascript Regular Expressions, Form Validation and Event Handlers</title>
<script type=”text/javascript”>
function editNodeText(regExp, input, helpId, helpMessage)
{ // See if the visitor entered the right information
if (!regExp.test(input)) { // If the wrong information was entered, warn them
if (helpId != null)
while (helpId.firstChild) // Remove any warnings that may exist
helpId.removeChild(helpId.firstChild);
helpId.appendChild(document.createTextNode(helpMessage)); // Add new warning
return false;
}
else { // If the right information was entered, clear the help message
if (helpId != null){
while (helpId.firstChild) // Remove any warnings that may exist
helpId.removeChild(helpId.firstChild);
}
return true;
} }
function isTheFieldEmpty(inputField, helpId) { // inputField – ID Number for the html text box
// helpId – ID Number for the child node I want to print a warning in
// See if the input value contains any text
return editNodeText(/^[A-Za-z\.\' \-]{2,15}\s?[A-Za-z\.\' \-]{2,15}\s?[A-Za-z\.\' \-]{2,15}/, inputField.value, helpId, “Please enter a valid name.”);
} // inputField.value – Value typed in the html text box
function isAddressOk(inputField, helpId) { // See if the input value contains any text
return editNodeText(/^[A-Za-z0-9\.\' \-]{5,30}$/, inputField.value, helpId, “Enter a Street (Ex.1234 Main St.)”);
}
function isStateOk(inputField, helpId) { // See if the input value contains any text
return editNodeText(/^A[LKSZRAEP]|C[AOT]|D[EC]|F[LM]|G[AU]|HI|I[ADLN]|K[SY]|LA|
M[ADEHINOPST]|N[CDEHJMVY]|O[HKR]|P[ARW]|RI|S[CD]|T[NX]|UT|V[AIT]|W[AIVY]$/i, inputField.value, helpId, “Enter a State Code in Uppercase (Ex.NY, PA, CA)”);
}
function isPhoneOk(inputField, helpId) { // See if the input value contains any text
return editNodeText(/^([0-9]( |-)?)?(\(?[0-9]{3}\)?|[0-9]{3})( |-)?([0-9]{3}( |-)?[0-9]{4}|[a-zA-Z0-9]{7})$/, inputField.value, helpId, “Enter a Phone Number (Ex.412-828-3000)”);
}
function isEmailOk(inputField, helpId) { // See if the input value contains any text
return editNodeText(/^[A-Za-z0-9._-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$/, inputField.value, helpId, “Enter an Email (Ex. derekbanas@newthinktank.com)”);
}
</script>
</head>
<body>
<div>
Enter your name:<input id=”name” name=”name” type=”text” size=”30” onblur=”isTheFieldEmpty (this, document.getElementById(‘name_help’))” />
<span id=”name_help”></span><!– this is the id number for the text box –>
</div>
<div>
Enter your street address:<input id=”street” name=”street” type=”text” size=”30” onblur=”isAddressOk (this, document.getElementById(‘street_help’))” />
<span id=”street_help”></span> </div>
<div>
Enter your city:<input id=”city” name=”city” type=”text” size=”30” onblur=”isTheFieldEmpty (this, document.getElementById(‘city_help’))” />
<span id=”city_help”></span>
</div>
<div> Enter your state code: <input id=”state” name=”state” type=”text” size=”2” onblur=”isStateOk (this, document.getElementById(‘state_help’))” />
<span id=”state_help”></span>
</div>
<div>
Enter your phone number: <input id=”phone” name=”phone” type=”text” size=”15” onblur=”isPhoneOk (this, document.getElementById(‘phone_help’))” />
<span id=”phone_help”></span>
</div>
<div>
Enter your email:<input id=”email” name=”email” type=”text” size=”30” onblur=”isEmailOk (this, document.getElementById(‘email_help’))” />
<span id=”email_help”></span>
</div>
</body></html>