The recording part is there as well, in particular https://github.com/Khan/live-editor/blob/master/js/ui/record.js https://github.com/Khan/live-editor/blob/mast

The recording part is there as well, in particular https://github.com/Khan/live-editor/blob/master/js/ui/record.js https://github.com/Khan/live-editor/blob/master/js/ui/record... These slides give a little high level overview of that: https://speakerdeck.com/pamelafox/teaching-programming-online-codemotion https://speakerdeck.com/pamelafox/teaching-programming-onlin... (slide 26)