MediaWiki:Common.js

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

// Wait for the DOM to fully load
$(document).ready(function() {
    // Select all headers with the specified class
    $('.mw-customtoggle-myDivision').click(function() {
        var content = $(this).next('.mw-collapsible'); // Get the next collapsible div

        // Toggle the visibility
        content.toggle();
    });
});