These questions assess a candidate's proficiency in areas such as component communication using services and Input/Output properties, form handling, routing, authentication, and working with HTTP services. They also explore the candidate's knowledge of best practices and their ability to build ...
Component Communication Using Angular Services Reusable Angular services can also be used to establish communication between two components. The components can be in a parent-child relationship or can be siblings. Irrespective of the relationship type, the services can be used to share data between tw...
import { Component, OnInit } from '@angular/core'; import { Observable } from 'rxjs'; import { NotificationsService } from '../services/notifications.service'; ... export class NotificationsManagerComponent implements OnInit { notificationsCount$: Observable<number>; constructor(private notification...
This article is part of a series on Inter-Component Communication in Angular. While you can start anywhere, it’s always best to start at the beginning right! Part 1 – Input BindingPart 2 – Output BindingPart 3 – Joining ServicePart 4 – ViewChild We’re now onto our final method of...
private timerComponent: CountdownTimerComponent; ngAfterViewInit() { setTimeout(() => this.timerComponent.start(), 0); } start() { this.timerComponent.start(); } stop() { this.timerComponent.stop(); } } Bidirectional Service Communication ...
Adding WorkoutBuilderService Adding exercises using ExerciseNav Implementing the Workout component Route parameters Route guards Implementing the resolve route guard Implementing the Workout component continued... Implementing the Workout template Angular forms Template-driven and reactive forms Template-driven...
This article is part of a series on Inter-Component Communication in Angular. While you can start anywhere, it’s always best to start at the beginning right! Part 1 – Input Binding Part 2 – Output Binding Part 3 – Joining Service ...
@zoechi But this documentation you posted: https://angular.io/docs/ts/latest/cookbook/component-communication.html#!#bidirectional-service talks explicitly about 'Parent and children communicate via a service' and not sibling to sibling! Is that link still correct? Ok... concerning that there mus...
Component communicationLet’s add a New Card Input component that will allow us to add notes:ng g component NewCardInput create src/app/new-card-input/new-card-input.component.scss (0 bytes) create src/app/new-card-input/new-card-input.component.html (33 bytes) create src/app/new-card-...
Form HandlingSimple reactive forms withv-modelComplex reactive forms using Reactive Forms module Component CommunicationSimple props and eventsServices for sharing data;@Inputand@Outputdecorators Dependency InjectionSimple and straightforwardComprehensive DI system for services ...