ANGULAR #angular

angular-commands

// to install angular cli
$ sudo npm install -g @angular/cli

// to create a new angular project
$ ng new angular-project
$ cd [TEST-PROJECT]

// to launch the application
$ ng serve

// to generate components
$ ng generate component [TEST-COMPONENT]

// to generate service
$ ng generate service [TEST-SERVICE]
$ ng generate service [TEST-SERVICE] --module=app

angular-syntax

@Component is a component decorator that specifies three metadata
  -selector
  -tempalteUrl
  -styleUrls
  
@Injectable 

// two data bindings
[(ngModel)]
<input [(ngModel)]="object.stringa" placeholder="stringa">

// operations
*ngFor
<li *ngFor="let element of elements">

*ngIf
<div *ngIf="booleanCondition">


// events
(click) 
<li (click)="onSelect(hero)">

// binders
[class.selected]
 <li [class.selected]="booleanCondition">
  
concepts of Declarations / Imports