gistfile1.js

    Backbone.Collection = function (models, options) {
        options || (options = {});
        if (options.comparator) {
            this.comparator = options.comparator;
            delete options.comparator;
        }
        this._boundOnModelEvent = _.bind(this._onModelEvent, this);

        this._reset();
        if (models) this.refresh(models, { silent: true });
        this.initialize(models, options);
    };
    console.log(new Backbone.Collection);