Good software practices don’t end just because you’re building a thick client in the browser. The JavaScript community is a flourishing boutique of high-quality tools and techniques. We’ll dig into some of the more popular open-source JavaScript patterns that have emerged from the Node community. We'll see mocha, chai, karma, phantom, and travis in action, look at some great techniques and patterns for browser development, and brush up on things that make JavaScript a phenomenal place to work.