MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */
document.addEventListener('DOMContentLoaded', function () {
    document.querySelectorAll('.commentary-toggle').forEach(function (btn) {
        btn.addEventListener('click', function () {
            var id = btn.getAttribute('data-target');
            var body = document.getElementById(id);
            if (!body) return;
            body.classList.toggle('commentary-hidden');
        });
    });
});