https://integrity.com/wp-content/plugins/ta-agent-vouchers/assets/form.js

1jQuery(function($) {
2    var form =  $('#leadcenter-voucher-form');
3
4    $('body').on('input', '#npn, #phone_number', function () {
5        this.value = this.value.replace(/\D/g, '').slice(0, 10); // max 10 digits; min enforced on submit
6    });
7
8    form.submit(function(e) {
9        e.preventDefault();
10        $('span.error').remove();
11        $('span.success').remove();
12        var inputSubmit = $(form).find('input[type="submit"]');
13        inputSubmit.val('Submitting...');
14        inputSubmit.attr('disabled', true);
15        $.post(WPJS.ajaxURL, $(this).serializeArray(), function(data) {
16            if(data.success) {
17                form[0].reset();
18                form.append('<span class="success" style="color: green;">Form submitted successfully.</span>');
19            } else {
20                if(data.data.errors) {
21                    data.data.errors.forEach(error => {
22                        var entry = Object.entries(error);
23                        form.find('input[name="'+entry[0][0]+'"]').parent().append('<span class="error" style="color: #b50000;">'+entry[0][1]+'</span>');
24                        $('span.error').show();
25                    });
26                    form.append('<span class="error" style="color: #b50000;">Please fill all required fields.</span>');
27                } else {
28                    form.append('<span class="error" style="color: #b50000;">'+data.data.message+'</span>');
29                }
30            }
31        }).fail(function() {
32            form.append('<span class="error" style="color: #b50000;">An unexpected error occurred. Please try again.</span>');
33        }).always(function() {
34            inputSubmit.val('Submit');
35            inputSubmit.removeAttr('disabled');
36        })
37    });
38
39});