November 27, 2019 — Arguably the worst way to teach the fundamentals of programming, is to describe what something is, without mention of how or when to use it. In this article, Ryan M. Kay discusses three core concepts in OOP. Read More…

July 22, 2019 — In JavaScript, the Number type cannot safely represent integer values larger than 2⁵³. This limitation has forced developers to use inefficient workarounds and third-party libraries. BigInt is a new data type intended to fix that. Read More…

July 18, 2019 — In this article, Jorge explains why they’re a great tool and how to create your first monorepo using Yarn with basic npm scripts, and add the required dependencies for each app. Read More…

July 1, 2019 — In this article, Miriam takes a deeper dive into the ‘CSS Custom Properties for Cascading Variables’ specification to ask, “Why are they called custom properties, how do they work in the cascade, and what else can we do with them?” Read More…

June 27, 2019 — This tutorial will help you transform an app that doesn’t work offline into a PWA that works offline and shows an update available icon. You’ll also learn how to precache assets with workbox, handle dynamic caching as well as handle updates to your PWA. Read More…

February 15, 2019 — For the past few months, I’ve been building a software-as-a-service (SaaS) application, and throughout the development process I’ve realized what a powerful tool Slack (or team chat in general) can be to monitor user and application behavior. After a bit of integration, it’s … Read More…

November 5, 2018 — Animated GIFs are popular on the web for good reason. They provide more engagement than an ordinary image, while remaining more digestible compared to a typical video. However GIFs are a terrible format for storing video and are often huge in size leading to slow page load … Read More…

October 30, 2018 — The Server Timing header provides a discrete and convenient way to communicate backend server performance timings to developer tools in the browser. Adding timing information to your application enables you to monitor back-end and front-end performance all in one place. Read More…

October 25, 2018 — In this series of posts on video performance on the web, Doug Sillars takes a closer look at how video is being used today, what we can learn from it, and how to move forward in a way that promotes fast delivery and playback of video content on the web. Read More…