function addIndexes() {
        for (var i = 0; i < this._items.length; i++) {
            this[i] = this._items[i];
        }
    }
// Helpers. Should only be used internally.
Helpers. Should only be used internally.
Helpers . Should only be used internally .
function addIndexes() {
        for (var i = 0; i < this._items.length; i++) {
            this[i] = this._items[i];
        }
    }
function addIndexes ( ) { for ( var i = 0 ; i < this . _items . length ; i ++ ) { this [ i ] = this . _items [ i ] ; } }
Helpers.
Helpers .