Joel Griffith


I'm Joel Griffith, a Web Developer. I have over five years of industry experience in web development. I've worked with Nike, FaceBook, TurboTax, Coca-Cola, Wieden+Kennedy and now work at AppNexus.


  1. Announcing Sicksync

    Sicksync is a project born out of the need to "mirror" a file-system quickly. I had issues with rsync and scp as my workflow requires me to VPN to the east-coast, and back to my developer machine in LA. This wasn't super ideal, and for small file changes (where you…


  2. Chaining Sinon Mocks

    I've recently been writing a lot of unit-tests for some open-source projects, and one of those projects chained method calls to the node rsync module. I mocked out this dependency, but had to make sinon 'chainable' in order to properly test the method calls. It was an interesting thing to…

    on sinon, javascript, chain, unit-test, testing, assert, chai, expect

  3. Array.reduce is pretty neat

    You're probably familiar with the standard schlew of Array methods in JavaScript. We're all fond of timeless classics such as forEach, map, and even filter. However, there is one method that has been hiding under the radar (at least for me) for quite a while now. It's one that functional-reactive-programming…


  4. Building JavaScript with JavaScript

    Hey friends. Last night I gave a talk on how to build a front-end asset pipeline with gulp. It was pretty sweet. If you missed it, here is the code XOR slides at no additional cost to you: Slide deck is here The Repo is here In summary: if you…


  5. JavaScript Module Patterns

    Hey. Let's talk about JavaScript module patterns. They're a lot of fun. Prototype Pattern function Person(name) { this.name = name; } Person.prototype.sayName = function() { console.log('My Name is ' + this.name); } var person = new Person('Joel'); person.sayName(); // 'My Name is Joel' Probably the most widely used pattern is…