greasemonkey script that links all words in wordnik definitions to their corresponding wordnik page

wordnik-links.user.js

// ==UserScript==
// @name        wordnik-links
// @namespace   com.cemerick
// @description links all words in wordnik definitions to their corresponding wordnik page
// @version     1
// @grant       none
// @match http://www.wordnik.com/words/*
// @match https://www.wordnik.com/words/*
// ==/UserScript==

(function () {
  var definitions = document.querySelectorAll("abbr[title='partOfSpeech']");
  for (var i = 0; i < definitions.length; i++) {
    var definition = definitions[i].parentElement;
    var words = definition.removeChild(definition.lastChild).textContent.split(/(?=[\s\.]+)/);
    words.forEach(function (word) {
      if (word.length <= 1) {
        definition.appendChild(document.createTextNode(word));
      } else {
        word = word.trim();
        definition.appendChild(document.createTextNode(" "));
        var a = document.createElement("a");
        a.appendChild(document.createTextNode(word));
        a.setAttribute("href", word.replace(/\W/, ""));
        a.setAttribute("style", "color:inherit");
        definition.appendChild(a);
      }
    });
  }
})();