JustShooter

document.addEventListener("DOMContentLoaded", function () {

        let inputs = document.getElementsByTagName("input");
        let selects = document.getElementsByTagName("select");

        let select = document.getElementById("shopAddress");
        let element = document.getElementById("newAddress");
        let myCollapse = new bootstrap.Collapse(element, {toggle: false});
        select.addEventListener("change", function () {
            if (select.options[select.selectedIndex].value === 'new') {
                for (let x of inputs) {
                    if (x.parentElement.parentElement === element) {
                        x.setAttribute('required', '');
                    }
                }
                for (let y of selects) {
                    if (y.parentElement.parentElement === element) {
                        y.setAttribute('required', '');
                    }
                }
                myCollapse.show();
            } else {
                for (let z of inputs) {
                    if (z.parentElement.parentElement === element) {
                        z.removeAttribute('required');
                    }
                }
                for (let i of selects) {
                    if (i.parentElement.parentElement === element) {
                        i.removeAttribute('required');
                    }
                }
                myCollapse.hide();
            }
        });

    });