// Hide Header on on scroll down
var didScroll;
var lastScrollTop = 0;
var delta = 5;
var navbarHeight = $(".nav").outerHeight();
$(window).scroll(function(event) {
didScroll = true;
});
setInterval(function() {
if (didScroll) {
hasScrolled();
didScroll = false;
}
}, 250);
function hasScrolled() {
var st = $(this).scrollTop();
// Make sure they scroll more than delta
if (Math.abs(lastScrollTop - st) <= delta) return;
// If they scrolled down and are past the navbar, add class .nav-up.
// This is necessary so you never see what is "behind" the navbar.
if (st > lastScrollTop && st > navbarHeight) {
// Scroll Down
$(".nav").addClass("nav-up");
$(".sticky").removeClass("sticky-up");
} else {
// Scroll Up
if (st + $(window).height() < $(document).height()) {
$(".nav").removeClass("nav-up");
$(".sticky").addClass("sticky-up");
}
}
lastScrollTop = st;
}
$(".scrollTop").click(function() {
// When arrow is clicked
$("html").animate({
scrollTop: 0, // Scroll to top of body
},
500
);
});