gistfile1.txt

var collectionFactoryHelpers = {
    empty_arr: [],
    createCollectionOfModels: function(model, arr_of_objects){
        var arr = _.clone(this.empty_arr);
        arr_of_objects.forEach( function(item){
            arr.push( new model(item) );
        });
        return arr;
    }
};

var ElementCollection = new ElementCollectionPrototype(
       collectionFactoryHelpers.createCollectionOfModels(ElementModel, data.account.values)
    )