Master the art of JavaScript with this week’s sponsor, WatchMeCode. Read on for a special discount code!

WatchMeCode is a subscription service that does exactly what the name implies: it lets you watch a JavaScript expert code. A subscription includes the back catalog and a new screencast every week.

The screencasts are designed as bite-size videos exploring a single topic or solving a specific problem, from language fundamentals to the most recent tooling, techniques, and tricks. They’re easy to watch and learn from, and JavaScript/NodeJS programmers at all levels are sure to come away with new knowledge. Subscribers can download the videos and keep them forever, or stream them from the site on any HTML5-capable device.

Topics include NodeJS, browser-based JavaScripting, language fundamentals for any environment, testing with Jasmine, Browserify workflows and much more.

The WatchMeCode guarantee: You’ll learn something or you’ll get your money back, and you get to keep all the videos you’ve downloaded.

You can take a look at 4 NodeJS videos for free on the WatchMeCode blog. readers can get a special discount using the code terpstra. That will get you a subscription for $9/month (regularly $14/month). If you work in JavaScript in any form, check it out!