(function () { 'use strict' // Date issued flatpickr("#invoice-date-issued", {}); // Due date flatpickr("#invoice-date-due", {}); // for nummber of products selected var value = 1, minValue = 0, maxValue = 30; let productMinusBtn = document.querySelectorAll(".product-quantity-minus") let productPlusBtn = document.querySelectorAll(".product-quantity-plus") productMinusBtn.forEach((element) => { element.onclick = () => { value = Number(element.parentElement.childNodes[3].value) if (value > minValue) { value = Number(element.parentElement.childNodes[3].value) - 1; element.parentElement.childNodes[3].value = value; } } }) productPlusBtn.forEach((element) => { element.onclick = () => { if (value < maxValue) { value = Number(element.parentElement.childNodes[3].value) + 1; element.parentElement.childNodes[3].value = value; } } }) })();