MediaWiki:Foreground.js

Note: After publishing, you may have to bypass your browser's cache to see the changes.

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• Opera: Press Ctrl-F5.

/* Collapsible Headers on Desktop */

var coll = document.getElementsByTagName('h2');
var i;

for (i = 0; i < coll.length; i++) {
  coll[i].addEventListener("click", function() {
    this.classList.toggle("active");
    var content = this.nextElementSibling;
    if (content.style.display === "block") {
      content.style.display = "none";
    } else {
      content.style.display = "block";
    }
  });
}