// Sticky navbar
// =========================
$(document).ready(function () {
// Custom function which toggles between sticky class (is-sticky)
var stickyToggle = function (sticky, stickyWrapper, scrollElement) {
var stickyHeight = sticky.outerHeight();
var stickyTop = stickyWrapper.offset().top;
if (scrollElement.scrollTop() >= stickyTop) {
stickyWrapper.height(stickyHeight);
sticky.addClass("is-sticky");
}
else {
sticky.removeClass("is-sticky");
stickyWrapper.height('auto');
}
};
// Find all data-toggle="sticky-onscroll" elements
$('[data-toggle="sticky-onscroll"]').each(function () {
var sticky = $(this);
var stickyWrapper = $('<div>').addClass('sticky-wrapper'); // insert hidden element to maintain actual top offset on page
sticky.before(stickyWrapper);
sticky.addClass('sticky');
// Scroll & resize events
$(window).on('scroll.sticky-onscroll resize.sticky-onscroll', function () {
stickyToggle(sticky, stickyWrapper, $(this));
});
// On page load
stickyToggle(sticky, stickyWrapper, $(window));
});
});