Component Classes

• Components are just ES6 classes
• Properties and methods of the component class are available to the template
• Providers (Services) are injected in the constructor
• The component lifecycle is exposed with hooks

export class ItemsComponent implements OnInit {
    items: Item[];
    selectedItem: Item;
    
    constructor(
        private itemsService: ItemsService
    ) {}
 
    ngOnInit() {
        this.getItems();
    }
 
    getItems() {
    this.itemsService.loadItems()
    .subscribe((items: Item[]) => this.items = items);
    }
}

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Backlinks

• Components
• Data Binding