Unfortunately, JavaScript lacks several features that would help developers use it for large-scale applications. Enter TypeScript ... an extension used by React, you’ll need to rename it ...

TypeScript is also designed for object-oriented programming, whereas JavaScript is not. Concepts like inheritance and access control that are not intuitive in JavaScript are easy to implement in ...

So it's no surprise that the VS dev team catered to them in announcing the new JavaScript and TypeScript project types in Preview 3. "The new JavaScript and TypeScript project types for Angular, Vue, ...