Format date in JavaScript

If you need to format dates in JavaScript, using this library instead of Moment.js will help you decrease your bundle size, a lot.

Optimizing Office web apps and add-ins for release with Gulp

When building Office web applications and add-ins there comes the time where they are ready for release. What's good for development however, isn't necessarily leading to best performance. Luckily using Gulp you can pretty easily improve your solution's performance.