TypeScript 3.0 Release Notes| www.typescriptlang.org
Learn about how Functions work in TypeScript.| www.typescriptlang.org
const assertions are a criminally underused TypeScript feature - learn all about them here, now| tkdodo.eu
Gradually migrating from JS to TS is not without difficulties - here are some tricks to smoothen the interoperability| tkdodo.eu
Understand how TypeScript uses JavaScript knowledge to reduce the amount of type syntax in your projects.| www.typescriptlang.org
The language primitives.| www.typescriptlang.org