findLabel.js

(function($) {
  return $.fn.extend({
    findLabel: function() {
      var matched;
      matched = [];
      this.each(function() {
        var $label, $this, id;
        $this = $(this);
        id = $this.attr('id');
        if (id != null) {
          $label = $('label[for=\'' + id + '\']');
        }
        if (($label == null) || $label.length === 0) {
          $label = $this.closest('label');
        }
        return matched.push($label);
      });
      return $(matched);
    }
  });
})(jQuery);