Today we’re excited to announce the release of TypeScript 5.8! If you’re not familiar with TypeScript, it’s a language that builds on top of JavaScript by adding syntax for types. Writing types in our ...

TypeScript has been updated with new checking flags, editor productivity updates, and speed improvements, alongside new features including support for temporal literal types. TypeScript is a superset ...

We've dipped into TypeScript's tsconfig.json configuration file a few times in this book. Let's take a deeper look. We won't cover every option in tsconfig.json - many of them are old and rarely used ...

In this chapter, we will learn about "types," which is the most important concept in TypeScript. We will make it easy to understand even for beginners who ask "What is a type?" and experience it while ...

In 2025, the most widely used language on GitHub is no longer Python or JavaScript, but TypeScript.You may hear the name ...