The recent TypeScript 3.9 release primarily focuses on performance and stability, but it does include some language updates that are worth a closer look. Continuing its quest to save you from yourself, TypeScript 3.9 expands on the uncalled function checks that were introduced in version 3.7.

There’s an old adage in the software industry – premature optimization is the root of all evil. A corollary to this should be – no optimization is just as bad as premature optimization.

As accessibility-minded developers working on accessibility-minded teams, we strive to design and build inclusive applications that yield a pleasant experience for all users. However, despite our best efforts we may make mistakes and implement features in a sub-optimal way, or worse, discover that some users cannot use those features at all.

Virtual reality (VR) is one of the most interesting emerging technologies for the web in 2020. Recently at HalfStack Phoenix I shared insights on VR, WebVR, the web, and what makes VR a lasting technology that will change the way we interact with information over the coming decade.

SitePen is a huge advocate for TypeScript and the benefits of having well-typed code. TypeScript is especially powerful when used by medium and large teams that want to find ways to increase their overall confidence in their code.

React Native is a JavaScript framework for writing hybrid native mobile applications for both iOS and Android platforms. React Native uses the same JSX and React development approach you would take for developing for the browser, but applications get built as native applications in Objective-C (for iOS) or Java (for Android) by the React Native tooling.

Event sourcing is a powerful architectural pattern that records all changes made to an application’s state, in the sequence in which the changes were originally applied. This sequence serves as both the system of record where current state can be sourced from, as well as an audit log of everything that happened within the application over its lifetime.

In many ways, TypeScript is more like a powerful linting and documentation tool to author better JavaScript, rather than a separate programming language. One significant benefit of TypeScript is its deliberate support for some of the latest ECMAScript language features.

Intern has always taken a different path in the pursuit of flexible automated web app testing. In the early days, Intern leveraged AMD modules when most other testing frameworks were not modular or only supported CommonJS modules, allowing Intern to support modular code in any environment.