MediaWiki:Common.js

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

• Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
• Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
• Internet Explorer / Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5
• Opera: Go to Menu → Settings (Opera → Preferences on a Mac) and then to Privacy & security → Clear browsing data → Cached images and files.

mw.loader.load("https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js");
mw.loader.load("https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/default.min.css", "text/css");

$(document).ready(function () {
  var blocks = document.querySelectorAll('pre code');
  for (var i = 0; i < blocks.length; i++) {
    hljs.highlightElement(blocks[i]);
  }
});