Type-level TypeScript is an online course to take your TypeScript skills from intermediate to advanced. It will give you a solid understanding of the type system's fundamentals and guide you through its most advanced features.

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Web Development Strap yourself in. In this guide, we compare when it's absolutely vital to be using TypeScript, the strictly-typed programming language, and when it makes sense to stick to vanilla JavaScript. Originally published here April 2019, with discussions on Hackernews and Reddit.

As explained in [1], you can also take advantage of these with switch statements, and the compiler will do an exhaustiveness check so you catch any cases where you add a new type but forget to update one of your switches.

TypeScript 3.0 is here! Today marks a new milestone in the TypeScript journey, serving JavaScript users everywhere. If you’re unfamiliar with TypeScript, it’s not too late to learn about it now! TypeScript is an extension of JavaScript that aims to bring static types to modern JavaScript.