MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */


// Save the scroll position before the page unloads
window.addEventListener('beforeunload', function() {
    localStorage.setItem('sidebarScrollPosition', document.getElementById('mw-navigation').scrollTop);
});

// Restore the scroll position after the new page loads
window.addEventListener('load', function() {
    var scrollPosition = localStorage.getItem('sidebarScrollPosition');
    if (scrollPosition !== null) {
        document.getElementById('mw-navigation').scrollTop = parseInt(scrollPosition);
    }
});

// Save the scroll position when clicking on sidebar links
document.querySelectorAll('#mw-navigation a').forEach(function(link) {
    link.addEventListener('click', function() {
        var scrollPosition = document.getElementById('mw-navigation').scrollTop;
        this.setAttribute('data-scroll-position', scrollPosition);
    });
});