code: function(item) {
          var terms = this.term.replace(/[\-\[\]\{\}()*+?.,\\^$|#]/g, '\\$&').split(' '),
              options = this.options,
              callback = function(match) {
                  return this.render(options.highlightTemplate).html(match).toString();
              }.bind(this);
  
          for (var i = 0, t; t = terms[i]; i++) {
              item = item.replace(new RegExp(t, 'ig'), callback);
          }
  
          return item;
      }
docs: Highlight the current term within the item string.
  Split multi-word terms to highlight separately.
  
  @param {String} item
  @returns {String}