The major difference between functions in TypeScript/JavaScript and other languages is that, in TypeScript/JavaScript, a function is just something that a variable can hold.

TypeScript lets you create factory functions that ensure a specific class is created correctly. But, if you also leverage generics and interfaces, these factory functions can work with a variety of ...

Next TypeScript release, due February 25, will support a limited form of checking against conditional and indexed acces types in return statements.

Now available as a production release, TypeScript 4.2 loosens restrictions on rest elements in tuple types and improves type alias preservation.

Microsoft's open-source programming language TypeScript – the alter ego of JavaScript but with a type system – turns 10 years old this December. It's grown to become a go-to language for ...