TypeScript also has a few special types for dealing with other cases. any means just that: any type is accepted. null and undefined mean the same things as in regular JavaScript.

Deferred module evaluation imports a module without immediately executing the module and its dependencies, avoiding ...

TypeScript 5.9 RC arrives with import defer for deferred module evaluation, stable Node.js 20 module targeting, and refined ...

This leaves TypeScript to concentrate on providing a layer of type syntax and type-checking semantics on top of JavaScript. The responsibilities are clearly separated: TypeScript = JavaScript + Types!

The typeof operator has been part of JavaScript since the beginning. Thus, it is also available in TypeScript because TypeScript is built "on top of" JavaScript. However, typeof has limitations. For ...

It aligns with Node.js's experimental support for running TypeScript files directly, making it easier to transition from TypeScript to JavaScript execution. Performance Improvements: TypeScript 5.8 ...

Dependent types are an interesting feature in TypeScript: Not only do they show what is happening in a program. They also prepare the code for things to come.

A new proposal from the TypeScript team, submitted to ECMAScript’s TC39 committee, suggests exactly that. It’s called “Types as Comments”, and it could change how we write and share ...