Añadir evento change a div con contenteditable

contenteditable_div_change.js

// Source: http://ask.webatall.com/javascript/9800_contenteditable-change-events.html
$('body').on('focus', '[contenteditable]', function() {
  var $this = $(this);
  $this.data('before', $this.html());
  return $this;
}).on('blur keyup paste input', '[contenteditable]', function() {
  var $this = $(this);
  if ($this.data('before') !== $this.html()) {
      $this.data('before', $this.html());
      $this.trigger('change');
  }
  return $this;
});