The book explains how to get started with TypeScript, essential configurations, using types and interfaces to create objects, transforming JavaScript code to be compatible with TypeScript, and more.

Using generics in TypeScript is very similar to using them in, for example, C#. This method calls a generic function, specifying the data type to be used (string, in this case): res = ...

Microsoft shipped TypeScript 5.8 with improved type checking in some scenarios, but thorny problems caused the dev team to delay related work to the next release.