Private parameters in Typescript

Question

I am learning Angular2 and working with classes in javascript first time.

What does the private parameter and why

Answer 1

private will scope this variable for this class (function). public will allow access from outside, if you have the instance of this class. protected is important for properties inside a abstract super class. As i started with Typescript, playground on the TypeScript page (https://www.typescriptlang.org/play/index.html) helped me to understand what really happend. Keep in mind, that TypeScript is sugar for your JavaScript