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 = ...

There are lots of enhancements waiting for you in TypeScript 1.8, including features that make it easier to move your project to TypeScript, that protect you from errors and that give you even better ...

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

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