Buy it and you'll find out... ;-) I wrote this high-level piece of fluff as a taster for the Guardian's developer blog: http://www.theguardian.com/info/develo

Buy it and you'll find out... ;-) I wrote this high-level piece of fluff as a taster for the Guardian's developer blog: http://www.theguardian.com/info/developer-blog/2013/sep/17/deferreds-and-promises-programming-javascript http://www.theguardian.com/info/developer-blog/2013/sep/17/d... "If Doctor Who were a programmer, he'd use deferreds!"