Use Requirejs to Load Scripts From Cdn Server Like Cdnjs Jan 8th, 2014 Fiddle here. http://jsfiddle.net/deepumohanp/73xVu/ Referenceshttp://stackoverflow.com/questions/8131265/loading-backbone-and-underscore-using-requirejs http://stackoverflow.com/questions/13464846/loading-bootstrap-from-cdn-with-require-js