It's TypeScript with the addition of a few key features that are helpful for Angular's design.
Technically, Angular 1.0 also had its own scripting language too. It's kind of inevitable, since Javascript itself is one of the obstacles to making a better web framework.
Technically, Angular 1.0 also had its own scripting language too. It's kind of inevitable, since Javascript itself is one of the obstacles to making a better web framework.