Standards proposal would allow annotations to be checked by external type checkers like TypeScript but treated as comments by the JavaScript engine.

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.

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 ...