angular coding examples

<!-- example.component.html -->

<div>Current Time: {{timestamp | date:‘short’}}</div>import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';

import { AppComponent } from './app.component';
import { AComponent } from './components/a/a.component';
import { BComponent } from './components/b/b.component';
import { AppRoutingModule } from './modules/app-routing/app-routing.module';

@NgModule({
  declarations: [
    AppComponent,
    AComponent,
    BComponent
  ],
  imports: [
    AppRoutingModule, // routing feature module
    BrowserModule
  ],
  providers: [],
  bootstrap: [ AppComponent ]
})
export class AppModule { }npm install -g @angular/cli<div>The value of the component class member ‘value’ is {{value}}.</div>// … PageNotFoundComponent imported along with everything else …

const routes: Routes = [
  {
    path: 'A',
    component: AComponent
  },
  {
    path: 'B',
    component: BComponent
  },
  {
    path: '',
    redirectTo: 'A',
    pathMatch: 'full'
  },
  {
    path: '**',
    component: PageNotFoundComponent
  }
];// app.component.ts

@Component({
  templateUrl: 'app.component.html'
})
export class AppComponent {
  someValue:string = "HeLlO WoRlD!";
}/* global styles.css */

ul li {
  cursor: pointer;
  display: inline-block;
  padding: 20px;
  margin: 5px;
  background-color: whitesmoke;
  border-radius: 5px;
  border: 1px solid black;
}

ul li:hover {
  background-color: lightgrey;
}import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'app-example',
  templateUrl: './example.component.html',
  styleUrls: ['./example.component.css']
})
export class ExampleComponent implements OnInit {
  constructor() { }

  ngOnInit() { }
}<!-- renders “<h1>Hello!</h1>” -->
<div *ngIf="true">
  <h1>Hello!</h1>
</div>

<!-- does not render -->
<div *ngIf="false">
  <h1>Hi!</h1>
</div><ul *ngFor=“let potato of (potatoSack$ | async); let i=index”>
  <li>Potatoe {{i + 1}}: {{potato}}</li>
</ul>