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.

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 ...

When you annotate JavaScript code to create TypeScript, most of the type information you apply will be familiar, since they’ll come from JavaScript types. But how and where you apply those types ...

A new JavaScript API will be available to preview inside Excel later this month, which will let developers create these custom data types for inputs and outputs and enable custom functions. Excel ...