Bookmarklet to highlight adverbs and passive verbs

bookmarklet_passivator.js

/* jshint esversion: 8 */
(function () {
  // List of verbs, for editing convenience
    // am
    // are
    // be
    // been
    // being
    // go
    // hasn't
    // hasn’t
    // haven't
    // haven’t
    // he's
    // he’s
    // here's
    // here’s
    // i'm
    // i’m
    // is
    // it's
    // it’s
    // she's
    // she’s
    // that's
    // that’s
    // there's
    // there’s
    // they're
    // they’re
    // was
    // we're
    // we’re
    // were
    // what's
    // what’s
    // who's
    // who’s
    // you're
    // you’re

  const regex = {
    adverbs: /(\w)(ly)(\b)/gim,
    verbs: /(\b)(am|are|be|been|being|go|hasn't|hasn’t|haven't|haven’t|he's|he’s|here's|here’s|i'm|i’m|is|it's|it’s|she's|she’s|that's|that’s|there's|there’s|they're|they’re|was|we're|we’re|were|what's|what’s|who's|who’s|you're|you’re)(\b)/gi,
  };

  const passivator = (node) => {
    if (node.hasChildNodes) {
      let index;

      for (index = 0; index < node.childNodes.length; index++) {
        passivator(node.childNodes[index]);
      }
    }

    if (node.nodeType === 3) {
      let newNode;
      let parentNode;
      let temporaryNodeValue = node.nodeValue;

      if (regex.verbs.test(temporaryNodeValue)) {
        let newString = "$1<span style=\"background-color: yellow; color: black; border: 1px solid black;\">$2</span>$3";

        temporaryNodeValue = temporaryNodeValue.replace(
          regex.verbs,
          newString,
        );
      }

      if (regex.adverbs.test(temporaryNodeValue)) {
        let newString = "$1<span style=\"background-color: aqua; color: black; border: 1px solid black;\">$2</span>$3";

        temporaryNodeValue = temporaryNodeValue.replace(
          regex.adverbs,
          newString,
        );
      }

      newNode = document.createElement("span");

      newNode.innerHTML = temporaryNodeValue;

      parentNode = node.parentNode;

      parentNode.replaceChild(newNode, node);
    }
  };

  passivator(window.document.getElementsByTagName("body")[0]);
})();

// javascript:(function(){const regex={adverbs:/(\w)(ly)(\b)/gim,verbs:/(\b)(am|are|be|been|being|go|hasn't|hasn’t|haven't|haven’t|he's|he’s|here's|here’s|i'm|i’m|is|it's|it’s|she's|she’s|that's|that’s|there's|there’s|they're|they’re|was|we're|we’re|were|what's|what’s|who's|who’s|you're|you’re)(\b)/gi};const passivator=(node)=>{if(node.hasChildNodes){let index;for(index=0;index<node.childNodes.length;index+=1){passivator(node.childNodes[index])}}if(node.nodeType===3){let newNode;let parentNode;let temporaryNodeValue=node.nodeValue;if(regex.verbs.test(temporaryNodeValue)){let newString="$1<span style=\"background-color: yellow; color: black; border: 1px solid black;\">$2</span>$3";temporaryNodeValue=temporaryNodeValue.replace(regex.verbs,newString,)}if(regex.adverbs.test(temporaryNodeValue)){let newString="$1<span style=\"background-color: aqua; color: black; border: 1px solid black;\">$2</span>$3";temporaryNodeValue=temporaryNodeValue.replace(regex.adverbs,newString,)}newNode=document.createElement("span");newNode.innerHTML=temporaryNodeValue;parentNode=node.parentNode;parentNode.replaceChild(newNode,node)}};passivator(window.document.getElementsByTagName("body")[0])})();
  
// Minified at https://duckduckgo.com/?q=javascript+minifier

Based on “The Passivator” by Paul Ford, with verbs added and accounting for typesetter apostrophes.