Silly user script

facebook-so-what.user.js

// ==UserScript==
// @id             facebook-so-what@spiralx.org
// @name           Facebook So Hwæt
// @version        0.0.1
// @namespace      http://spiralx.org/facebook-what
// @author         James Skinner <spiralx@gmail.com> http://github.com/spiralx
// @match          https://*.facebook.com/*
// @match          https://facebook.com/*
// @exclude        */ai.php*
// @run-at         document-end
// @priority       -1
// @require        https://ajax.googleapis.com/ajax/libs/jquery/2.1.0/jquery.min.js
// @require        https://gist.githubusercontent.com/spiralx/9d22363e742be60ba28b/raw/c5eaea18df02811b104d859056eccff91af90dd5/mutation-summary.js
// ==/UserScript==


; (function($, document, window, undefined) {

  var observer = new MutationSummary({
    callback: function(summaries) {
      summaries[0].added.src.forEach(function(elem) {
        var $el = $(elem),
          t = $el.text();
        if (/^So\b/.test(t)) {
          $el.children().text(t.replace(/^So\b/, 'Hwæt'));
        }
      });
    },
    rootNode: $('#contentArea')[0],
    queries: [
      { element: 'div.userContent' }
    ]
  });

})(jQuery, document, window);