Standards proposal would allow annotations to be checked by external type checkers like TypeScript but treated as comments by the JavaScript engine. Microsoft is backing a proposal to bring optional ...

JavaScript and TypeScript look very similar, but there's one important distinction. The key difference between JavaScript and TypeScript is that JavaScript lacks a type system. In JavaScript, ...

This proposal aims to enable developers to add type annotations to their JavaScript code, allowing those annotations to be checked by a type checker that is external to JavaScript. At runtime, a ...