MediaWiki:Common.js

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



$(document).ready(function() {
  // Get all the <h2> headings
  const headings = document.querySelectorAll('.mw-parser-output h2');
  
  for (i = 0; i < headings.length; i++) {
   headings[i].innerHTML = '<button></button>';
}

});