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| (function () {
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| var sidebarId = 'mw-navigation';
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|
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| function saveSidebarScrollPosition() {
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| var scrollPosition = document.getElementById(sidebarId).scrollTop;
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| localStorage.setItem('sidebarScrollPosition', scrollPosition);
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| }
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|
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| function restoreSidebarScrollPosition() {
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| var scrollPosition = localStorage.getItem('sidebarScrollPosition');
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| if (scrollPosition !== null) {
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| setTimeout(function () {
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| document.getElementById(sidebarId).scrollTop = parseInt(scrollPosition);
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| }, 0);
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| }
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| }
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|
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| window.addEventListener('beforeunload', saveSidebarScrollPosition);
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|
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| document.addEventListener('DOMContentLoaded', function () {
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| restoreSidebarScrollPosition();
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|
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| var sidebarLinks = document.querySelectorAll('#' + sidebarId + ' a');
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| sidebarLinks.forEach(function (link) {
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| link.addEventListener('click', function (event) {
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| saveSidebarScrollPosition();
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| });
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| });
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|
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| var sidebarHeadings = document.querySelectorAll('#' + sidebarId + ' .sidebar-heading');
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| sidebarHeadings.forEach(function (heading) {
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| heading.addEventListener('click', function (event) {
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| saveSidebarScrollPosition();
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| });
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| });
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| });
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| })();
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