// When the user scrolls the page, execute scrollMenu window.onscroll = function () { scrollMenu() }; // Get the navbar var navbar = document.getElementById("logo"); var hider = document.getElementById("sticky"); // Get the offset position of the navbar var sticky = navbar.offsetTop; // Add the sticky class to the navbar when you reach its scroll position. Remove "sticky" when you leave the scroll position function scrollMenu() { if (window.pageYOffset >= sticky) { hider.classList.add("sticky") } else { hider.classList.remove("sticky") } } // Make a pretty background when menu is open var bodyBluring = document.getElementById("main-wrapper") function blurBody() { bodyBluring.classList.toggle("blurredout"); } function removeBlur() { bodyBluring.classList.remove("blurredout") } /// request permission to autoplay