Simple Backbone Test Case

fails.js

(function($){
    window.app = {
        init: function() {
            app.router = new app.Router();

            Backbone.history.loadUrl = function(fragmentOverride) {
                var fragment = this.fragment = this.getFragment(fragmentOverride).replace(/^.+\.php\/?/, '');
                console.log('Navigated URL: '+fragment);
                var matched = _.any(this.handlers, function(handler) {
                    if (handler.route.test(fragment)) {
                        handler.callback(fragment);
                        return true;
                    }
                });

                return matched;
            };

            Backbone.history.start({ pushState: true });
        }
    };

    app.Router = Backbone.Router.extend({
        routes: {
            '' : 'index'
        },
        index: function() { console.log('index fired') }
    });

    $(function(){
        app.init();
    });
})(jQuery, undefined);

works.js

(function($){
    window.app = {
        init: function() {
            app.router = new app.Router();

            Backbone.history.start({ pushState: true });
        }
    };

    app.Router = Backbone.Router.extend({
        routes: {
            '' : 'index'
        },
        index: function() { console.log('index fired') }
    });

    $(function(){
        app.init();
    });
})(jQuery, undefined);