Because type syntax is not natively supported in JavaScript, a tool had to exist to remove types before running code. For systems like TypeScript, it made sense to integrate a type erasure step ...

Could JavaScript evolve to support a native type system—without needing TypeScript? A new proposal from the TypeScript team, submitted to ECMAScript’s TC39 committee, suggests exactly that. It ...

Microsoft announced an ambitious project to inject type syntax into ECMAScript, the official JavaScript standard. While that might sound an awful lot like TypeScript, it's different. The company is ...

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 ...

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.