As a curiosity I added one to compare against spine as well. http://jsperf.com/backbone-vs-john-resig-class/9 http://jsperf.com/backbone-vs-john-resig-class/9

As a curiosity I added one to compare against spine as well. http://jsperf.com/backbone-vs-john-resig-class/9 http://jsperf.com/backbone-vs-john-resig-class/9 However, since most of the time I'm using spine via coffeescript the inheritance is going to be done slightly different.