https://studentdiscounts.com/wp-content/plugins/authorize-net-paym…/anet-credit-card-update-payment-method.js

1jQuery(function ($) {
2    // Populate expiry year dropdown for credit card edit form
3    var $yearSelect = $('#anet-credit-card-edit-expiry-year');
4    if ($yearSelect.length && $yearSelect.children('option').length === 0) {
5        var currentYear = new Date().getFullYear();
6        $yearSelect.append($('<option>', {
7            value: '',
8            text: 'Select Year',
9            disabled: true,
10            selected: true
11        }));
12        for (var i = 0; i < 10; i++) {
13            var year = currentYear + i;
14            $yearSelect.append($('<option>', {
15                value: year,
16                text: year
17            }));
18        }
19        $yearSelect.val('');
20    }
21    $('#anet-credit-card-edit-expiry-month')[0].selectedIndex = 0;
22    $('#anet-credit-card-save-btn').on('click', function (e) {
23        e.preventDefault();
24        // Validation
25        var $error = $('#anet-credit-card-edit-error');
26        $error.hide().text('');
27        var cardNumber = $('#anet-credit-card-edit-card-number').val().replace(/\s+/g, '');
28        var month = $('#anet-credit-card-edit-expiry-month').val();
29        var year = $('#anet-credit-card-edit-expiry-year').val();
30        // Check if card number is masked (starts with 'XXXX')
31        const isCardNumberMasked = cardNumber.startsWith('XXXX');
32        // Validate card number (12-16 digits)
33        if (cardNumber === '' || (!isCardNumberMasked && !/^\d{12,16}$/.test(cardNumber))) {
34            $error.text('Please enter a valid credit card number (12-16 digits).').show();
35            $('#anet-credit-card-edit-card-number').focus();
36            return false;
37        }
38        // Expiry: both month and year must be selected
39        if (!month || !year) {
40            $error.text('Please select both expiry month and year.').show();
41            if (!month) {
42                $('#anet-credit-card-edit-expiry-month').focus();
43            } else {
44                $('#anet-credit-card-edit-expiry-year').focus();
45            }
46            return false;
47        }
48        // Expiry must not be in the past
49        var now = new Date();
50        var thisMonth = now.getMonth() + 1;
51        var thisYear = now.getFullYear();
52        var expMonth = parseInt(month, 10);
53        var expYear = parseInt(year, 10);
54        if (expYear < thisYear || (expYear === thisYear && expMonth < thisMonth)) {
55            $error.text('The expiry date cannot be in the past.').show();
56            $('#anet-credit-card-edit-expiry-month').focus();
57            return false;
58        }
59        $('#anet-credit-card-edit-form form').submit();
60    });
61});