27 lines
712 B
JavaScript
27 lines
712 B
JavaScript
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(function() {
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"use strict"; // Start of use strict
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var mainNav = document.querySelector('#mainNav');
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if (mainNav) {
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// Collapse Navbar
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var collapseNavbar = function() {
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var scrollTop = (window.pageYOffset !== undefined) ? window.pageYOffset : (document.documentElement || document.body.parentNode || document.body).scrollTop;
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if (scrollTop > 100) {
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mainNav.classList.add("navbar-shrink");
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} else {
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mainNav.classList.remove("navbar-shrink");
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}
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};
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// Collapse now if page is not at top
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collapseNavbar();
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// Collapse the navbar when page is scrolled
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document.addEventListener("scroll", collapseNavbar);
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}
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})(); // End of use strict
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