text: var one = 'beep boop',
      other = 'beep boob blah',
      color = '',
      span = null;
  
  var display = document.getElementById('display');
  var fragment = document.createDocumentFragment();
  var diff = Diff.diffChars(one, other);
  diff.forEach(function(part){
      color = part.added ? 'green' : part.removed ? 'red' : 'grey';
      span = document.createElement('span');
      span.style.color = color;
      span.appendChild(document.createTextNode(part.value));
      fragment.appendChild(span);
  });
  display.appendChild(fragment);