https://www.jooto.com/wp-content/plugins/cf7-google-sheets-connect…/js/gs-pipe-select-index.js?ver=2.3.26

1document.addEventListener("DOMContentLoaded", function () {
2    document.querySelectorAll('select').forEach(function (select) {
3        // Create a hidden input field
4        let hiddenInput = document.createElement("input");
5        hiddenInput.type = "hidden";
6        hiddenInput.name = select.name + "-gsc-pipe-selected-index";
7        hiddenInput.value = select.selectedIndex;
8
9        // Append the hidden input next to the select
10        select.parentNode.appendChild(hiddenInput);
11
12        // Update hidden input on select change
13        select.addEventListener("change", function () {
14            hiddenInput.value = select.selectedIndex;
15        });
16    });
17});