dekun
58 lines
1.6 KiB
JavaScript
58 lines
1.6 KiB
JavaScript
/* Copyright (c) 2025-2026 马建军. All rights reserved.
|
|
* 专有软件 — 未经授权禁止复制、传播、转售。
|
|
* 详见 LICENSE.zh-CN.txt
|
|
*/
|
|
(function () {
|
|
var toggle = document.getElementById('nav-toggle');
|
|
var nav = document.getElementById('site-nav');
|
|
var backdrop = document.getElementById('nav-backdrop');
|
|
if (!toggle || !nav) return;
|
|
|
|
function openNav() {
|
|
nav.classList.add('open');
|
|
if (backdrop) {
|
|
backdrop.hidden = false;
|
|
backdrop.classList.add('show');
|
|
}
|
|
toggle.setAttribute('aria-expanded', 'true');
|
|
document.body.style.overflow = 'hidden';
|
|
}
|
|
|
|
function closeNav() {
|
|
nav.classList.remove('open');
|
|
if (backdrop) {
|
|
backdrop.classList.remove('show');
|
|
backdrop.hidden = true;
|
|
}
|
|
toggle.setAttribute('aria-expanded', 'false');
|
|
document.body.style.overflow = '';
|
|
}
|
|
|
|
function isMobileNav() {
|
|
return window.matchMedia('(max-width: 767px)').matches;
|
|
}
|
|
|
|
toggle.addEventListener('click', function () {
|
|
if (nav.classList.contains('open')) closeNav();
|
|
else openNav();
|
|
});
|
|
|
|
if (backdrop) {
|
|
backdrop.addEventListener('click', closeNav);
|
|
}
|
|
|
|
nav.querySelectorAll('a').forEach(function (link) {
|
|
link.addEventListener('click', function () {
|
|
if (isMobileNav()) closeNav();
|
|
});
|
|
});
|
|
|
|
window.addEventListener('resize', function () {
|
|
if (!isMobileNav()) closeNav();
|
|
});
|
|
|
|
document.addEventListener('keydown', function (e) {
|
|
if (e.key === 'Escape') closeNav();
|
|
});
|
|
})();
|