Adding custom validation to form fields

#54

@Kyle.C
I even added another js and has the same problem:
Uncaught TypeError: Cannot read property ‘addEventListener’ of undefined

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#55

We’ve been having similar issues with numerous things now.
Main issue has been the custom validation we run for phone numbers from Data8. We get the AddMethod issue on that one. (pretty much the same as @cladius’s original issue)
We also use Selectize.js on some forms which we’ve had to get rid of. I also tried choosen.js which came up with the same error. (both widely recognised jquery plugins) Ended up falling back to vanilla html multi selects for that.
There is definitely some load order issues happening at the moment. Worst thing is that things are changing in the background so one day something breaks, I managed to get it running again, next day a differenent or similar issue starts.

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#56

@claudias Adding a 500ms setTimeout fixed a similiar issue for us.

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#57

I’ll try it! thanks!

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#58

No coding experience here, but wondering if it was possible to exclude all emails from an email form field that are not “.org” or “.edu” email addresses. Anyone have any idea how to do this?

Thank you!

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#59

Wondering if anyone has had any luck using this script to validate a URL in a field?

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#60

@Mark_Wainwright
I’m experiencing this issue right now. ‘cannot set property myCustomHoneypot of undefined’ . In the console I look for the lp object and it simply isn’t there. What changed?

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#61

Same for me

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#63

Hi. I need to add custom validation to multiple form fields. Can I do this in one script? And should it be Before Body End Tag?

One of our developers sent us this code for the transitions but I’m not clear on how to incoporate it into this script. Thanks in advance for any help!

//Validating First Name

if( strlen(trim($_POST[‘first_name’])) > 0 ){
first_name = trim(_POST[‘first_name’]);
if ( $first_name != strip_tags($first_name) ){
array_push($error, ‘First Name do not allow HTML Tags’);
}
}else{
array_push($error, ‘First Name is required’);
}

//Validating Last Name

if( strlen(trim($_POST[‘last_name’])) > 0){
last_name = trim(_POST[‘last_name’]);
if ( $last_name != strip_tags($last_name) ){
array_push($error, ‘Last Name do not allow HTML Tags’);
}
}else{
array_push($error, ‘Last Name is required’);
}

//Validating Email Address

if( strlen(trim($_POST[‘email_address’])) > 0 ){
email = trim(_POST[‘email_address’]);
if (!filter_var($email, FILTER_VALIDATE_EMAIL) === false) {
$lead = $enrollment->get_row(“SELECT et_lead_id FROM wp_et_leads where et_lead_email_address=’” . $enrollment->et_open_encrypt(strtolower($email)) . “’”);
//Checking any lead is already registered with this same email id.
if (isset($lead->et_lead_id) && $lead->et_lead_id != ‘’) {
array_push($error, ‘Email address already exist’);
$login = $enrollment->get_row(“SELECT et_short_code_slug FROM wp_et_short_codes where et_short_code_name = ‘[et_show_login_from_mail]’”);
//redirecting to the login page.
if (isset($login->et_short_code_slug) && $login->et_short_code_slug != ‘’) {
header(“Location: " . site_url($login->et_short_code_slug.’/?email=’.$email.’&action=emailexits’));exit;
}else{
header(“Location: " . site_url('login/?email=”’.$email.’”&action=emailexits’));exit;
}
}
}else{
array_push($error, ‘Invalid Email Address’);
}
}else{
array_push($error, ‘Email Address is required’);
}

//Validating Phone Number

if( strlen(trim($_POST[‘phone_number’])) > 0 ){
phone_number = trim(_POST[‘phone_number’]);
$numStripX = array(’(’, ‘)’, ‘-’, ‘.’, ‘+’,’ ‘);
$numCheck = str_replace($numStripX, ‘’, $phone_number);
$phone_number_int = $numCheck;
$firstNum = substr($numCheck, 0, 1);
$phone_valid = true;
if(($firstNum == 0) || ($firstNum == 1)) {$phone_valid = false;}
else if(!is_numeric($numCheck)){$phone_valid = false;}
else if(strlen($numCheck) > 10){$phone_valid = false;}
else if(strlen($numCheck) < 10){$phone_valid = false;}
else{
$formats = array(’###-###-####’, ‘### ### ####’, ‘(###) (###) (####)’, ‘(###) ###-####’, ‘(###)###-####’,’(###) ### - ####’, ‘##########’, ‘###.###.####’, ‘(###) ###.####’, ‘(###)###.####’);
$format = preg_replace("/[0-9]/", “#”, $phone_number);
if(in_array($format, $formats)){
$phone_valid = true;
}else{
$phone_valid = false;
}
}
if($phone_valid == false){
array_push($error, ‘Invalid Phone Number’);
}
}else{
array_push($error, ‘Phone Number is required’);
}

//Validating Zipcode

if(strlen(trim(_REQUEST['zip_code'])) > 0){ if(strlen(trim(_REQUEST[‘zip_code’])) >= 3 ){
zip = trim(_REQUEST[‘zip_code’]);
if(strlen($zip) < 5){
$zip = strlen($zip) == 3 ? (‘00’ . $zip) : (strlen($zip) == 4 ? (‘0’ . $zip) : $zip );
}
$states = $wpdb->get_row(“SELECT zip, state, city, service_status FROM wp_et_states WHERE zip = '” . $zip . “’ LIMIT 1”);
if(empty($states)){
array_push($error, ‘Invalid Zip Code’);
}else{
if($states->service_status < 1){
array_push($error, ‘We’re sorry, CESI does not offer debt management services in your state. Please visit our blog for free financial education and resources.’);
}else{
$state = $states->state;
$city = $states->city;
}
}
}else{
array_push($error, ‘Invalid Zip Code’);
}
}

//Validating State from zipcode

if(strlen(trim($state)) > 0){
if(trim($state) != ‘’) {
$states = $wpdb->get_row(“SELECT et_eligible_states_id,et_eligible_states_status,et_eligible_states_non_eligible_action FROM wp_et_eligible_states WHERE et_eligible_states_name = '” . $state . “’ LIMIT 1”);
if(isset($states) && $states->et_eligible_states_id != ‘’){
if($states->et_eligible_states_status==0 && $states->et_eligible_states_non_eligible_action==‘not-licensed’){
if(!in_array(‘We’re sorry, CESI does not offer debt management services in your state. Please visit our blog for free financial education and resources.’, $error)){
array_push($error, ‘We’re sorry, CESI does not offer debt management services in your state (’.$state.’). Please visit our blog for free financial education and resources.’);
}
}
}else{
if(!in_array(‘We’re sorry, CESI does not offer debt management services in your state. Please visit our blog for free financial education and resources.’, $error)){
array_push($error, ‘We’re sorry, CESI does not offer debt management services in your state (’.$state.’). Please visit our blog for free financial education and resources.’);
}
}
}
}

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#64

Hi @KellyCESI,

The code your developer gave you looks like PHP.

You won’t be able to use it directly with your Unbounce landing page. You can only add/edit the front-end part of the page - HTML/CSS/JS.

You have a couple of options:

  1. Host this PHP script on your server and write a JS script that would ping it when a visitor tries to submit the form.

  2. Rewrite the above as a JS script

Best,
Hristian

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#65

Thanks, Hristian! Go figure we are speaking 2 languages and I don’t speak either :wink:

I let our developer know.

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#66

Hi @Johnny_Opao,

Do you have anything similar for Radio Buttons / Checkboxes? I.e. Can you set the “error message” to be triggered if Option A is selected instead of Option B on a certain checkbox in the form? Thanks, Nico

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#67

@Mark_Wainwright Thanks for a great solution, but I found an issue and dont know how to fix it.

Trying to implement this on multistep form (Multi-Field, Multi-Step Form 🔥). But validation pops up right in the beginning (even though the validation field is at the end of the multistep form), without letting me to proceed. could you help me out please :slight_smile:

Thanks!

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#68

Hi @Hristian,

I’m trying to use the above script to validate two radio buttons on my landing pages form. The radio button options are “YES” and “NO”. I need the lead to click on the “YES” option in order to proceed and successfully click the CTA button, registering with us. However, I’ve tried dozens of variations of the script found on the unbounce community pages but none of them seem to work! I really need some help with this one!!

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#69

Hi @nico,

You’ll need to modify both of your scripts - the multi-step and the custom validation to work together.

Best,
Hristian

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#70

Hi @Hristian

Thanks for getting back to me. Unfortunately I’m a complete noob at coding with Jquery. Is there anyway I could hire a freelancer to do this for me through the unbounce community?

Cheers,
Nico

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#71

Hello,

I was wondering if Unbounce’s decision to remove jQuery from the landing pages would affect the validation scripts shared in this thread.

If Unbounce is removing jQuery from the lp object then what would be their alternative rather than using jQuery’s .validator plugin which is what is currently recommended?

Any further direction would be appreciated.

Thank you

  • Jon S.
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#72

Could you give an example of this for a custom message that displays whenever someone selects a “Yes” radio button in a group and shows no message when someone selects the “No” radio button in the same group.

I’m trying to make give a custom message when someone selects “Yes” for each of 2 separate radio button questions.

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#73

Claudia me puedes ayudar a generar un script que valide range de 1 a 500? gracias!

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#74

Ok, seriously, why are we still custom coding form validation for really simple requests, like simply validating something is a number. This is really frustrating.

Secondly, the instructions at the top of this don’t seem to work. Or are confusing enough that they are difficult to implement. This seems pretty straight forward:

<script>
window.module.lp.form.data.validationRules['field_name'].digits = true;
</script>

But no. It isn’t. The instructions don’t tell you where to include it: head, after body, before body, etc. Although that doesn’t matter because I’ve tried them all and it doesn’t work.

Of course, I’ve seen a reference in this thread to JQuery no longer being supported or plans to remove it, so I don’t know if this thread is still valid, except that I chatted with customer support and this is what they pointed me to.

I’m beyond frustrated with this.

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