Angular is a front-end framework brought by Google based on TypeScript
To write apps with Angular you have to first install Angular CLI which will set up a Angular project for you
Install Angular CLI using NPM:
C:\>npm install -g @angular/cli
-g stands for global
Create a new Angular project called helloworld with Angular CLI
C:\>ng new hello-world
Start the Angular server
C:\>ng serve
and open a browser and call http://localhost:4200
An Angular component is basically a TypeScript class. An Angular application ist bronken up into components.
An Angular component has a declaration