MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
/* Implementing JavaScript for Interactivity */
document.addEventListener('DOMContentLoaded', function() {
    var collapsibles = document.querySelectorAll('.collapsible');

    collapsibles.forEach(function(collapsible) {
        collapsible.addEventListener('click', function() {
            this.classList.toggle('collapsed');
            var content = this.nextElementSibling;
            if (content.style.display === "block") {
                content.style.display = "none";
            } else {
                content.style.display = "block";
            }
        });
    });
});