code: function logDiffText(diff, options) {
      var diffText = getDiffText(diff, options);
  
      if (diffText) {
          console.log(inverseGreen('+ expected'), inverseRed('- actual'), '\n',  diffText);
      }
  }
docs: Logs the diff of the given HTML docs to the console
  @param {Object[]} diff
  @param {Object} [options]
  @param {Number} [options.charsAroundDiff=40]