2. Architecture of Angular 2

1. components, encapsulates the template, data and behavior of a view. What is a view?

More accurately - View component.
Root component.
Navbar, sidebar, courses

App - Navbar
- Courses - course course, review
- sidebar

export class RatingComponent{
averageRating: number;
setRating(value){
 …
}
}

decoupled from DOM

title = “Hello”

{} service Node, ASP

1. Router - responsible for navigation

will figure which component to present to user

1. Directive - modify DOM elements and/or extend their behavior
e.g.