60 lines
1.6 KiB
JavaScript
60 lines
1.6 KiB
JavaScript
scroll_to_top = document.getElementById("scroll-to-top");
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window.onscroll = function () {
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if (document.documentElement.scrollTop > 100 || document.body.scrollTop > 100) {
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scroll_to_top.style.display = "block";
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} else {
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scroll_to_top.style.display = "none";
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}
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}
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function scrollToTop() {
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document.documentElement.scrollTop = 0;
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document.body.scrollTop = 0;
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}
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async function sleep(milliseconds) {
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return new Promise(resolve => setTimeout(resolve, milliseconds));
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}
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let dropdown = document.getElementsByClassName('dropdown')[0];
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let navitems = document.getElementsByClassName('dropdown-nav-item');
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function showDropdown() {
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dropdown.classList.remove('hidden');
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dropdown.classList.add('flex');
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}
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function hideDropdown() {
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dropdown.classList.remove('flex');
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dropdown.classList.add('hidden');
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}
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function showNavitems() {
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for (let i = 0; i < navitems.length; i++) {
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navitems[i].classList.remove('hidden');
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navitems[i].classList.add('inline-block');
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}
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}
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function hideNavitems() {
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for (let i = 0; i < navitems.length; i++) {
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navitems[i].classList.remove('inline-block');
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navitems[i].classList.add('hidden');
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}
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}
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async function toggleDropdown() {
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if (dropdown.classList.contains('hidden')) {
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showDropdown();
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await sleep(200);
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showNavitems();
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}
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else {
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dropdown.classList.add('dropdown_close_animation');
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await sleep(550);
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dropdown.classList.remove('dropdown_close_animation');
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hideDropdown();
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hideNavitems();
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}
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} |