04 Oct 2015 Asynchronous Iterative & Recursive Patterns for Node.js - Part 1 Introduction If any thing made node.js as popular as it is now, it’d would its non-blocking asynchronous I/O calls. You baiscally call an I/O routine, give it a function to call back when your operation is done and you go on continuing whatever business you still have without waiting (blocking) for that operation to finis