I was impressed too. I think the key is that it injects all of the HTML at once. Compare that to e.g. the Backbone.js implementation which uses progressive enha

I was impressed too. I think the key is that it injects all of the HTML at once. Compare that to e.g. the Backbone.js implementation which uses progressive enhancement: http://todomvc.com/examples/backbone/ http://todomvc.com/examples/backbone/ The code can be optimized further with Closure Compiler, but I wonder if that decreases startup speed.