Product name | Super Strong Butyl Tape Adhesive Non-woven Pvdf Butyl Rubber Gum Waterproof Sealing Mastic Tape Butyl Tape for Roof |
Product size | 1X20mm/2X10mm/2X20mm/3X30mm (can be customized according to customer needs) |
Surface covering material | No substrate, mesh cloth, PVC, etc. (can be customized according to customer needs) |
product color | White, Black, gray(can be customized according to customer needs) |
// 获取 class 为 sidebar2 的元素（若有多个，取第一个）
// 获取元素的位置和尺寸信息
// 元素底部到页面顶部的总距离（相对文档顶部）
// // 监听滚动事件
// window.addEventListener('scroll', function() {
// // 当滚动超过600像素时
// if (window.scrollY-800 > elementBottomToDocTop) {
// contactbox .setAttribute("class", 'widget-area sticky-top');
// // $("#contactbox").attr('class','widget-area sticky-top');
// // contactbox.classList.remove('shadow-md');
// } else {
// contactbox .setAttribute("class", 'widget-area');
// // $("#contactbox").attr('class','widget-area');
// // navbar.classList.add('shadow-md');
// }
// })
// const emailPattern = /^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+$/;
// document.getElementById("GetdiscountForm").onsubmit = function (event) {
// const emailInput = document.getElementById("email").value;
// if (!emailPattern.test(emailInput)) {
// alert("Please enter a valid email address!");
// event.preventDefault();
// }
