Simple Chrome Mangler Extension transform script

transform.js

function drumpfinate(text) {
  return text.replace(/\bTrump\b/g, "Drumpf");
}

(function transformTree(transform) {
  var walker = document.createTreeWalker(
    document.body,
    NodeFilter.SHOW_TEXT,
    null,
    false
  );

  var node;
  while (node = walker.nextNode()) {
    node.nodeValue = transform(node.nodeValue);
  }
})(drumpfinate);