I know I am not the first to ask about this, but I can't find an answer in the previous questions. I have this in one component <div class="col-sm-5"> <laps [lapsData]="ra...

Angular provides life cycle hook ngOnInit by default. Why should ngOnInit be used, if we already have a constructor?

Which is better to use Angular Lifecycle Hook or Ionic Lifecycle hooks specially for initialization when creating a hybrid app using Ionic 4? Angular lifecycle hook - ngOnInit ngOnInit() { this...

I need to apply jquery plugin to radio buttons in Angular2 using Typescript. If I assign in ngAfterViewChecked, it is called many times and the control is refreshed multiple times. What is the a...

I want to delay ngOndestroy hook calling since I am facing one issue which is i have created angular application, in that I have used animation. sample - https://stackblitz.com/edit/angular-iribr7-...

I tried to do that like: @Input() data: any[] = []; Inside ngOnInit I see undefined: ngOnInit() { console.log(this.data); } So, below in code I get error, when I try to get length: return...

Please explain in this code, how to call ngOnInit() again when I call another method? ngOnInit(): void { this.route.params.subscribe((params: Params) => { this.model = this.userData; }); } u...

I have a configuration module with a factory that executes when the application is initialized (APP_INITIALIZER) export function ConfigFactory(config: ConfigService) { const res = () => config...

I am posting here after reading all the material related to change detection and similar post and failing to solve my problem. ChangeDetectorRef detectChanges() causes infinite loop when called fr...

What is the difference between ngOnInit(), ngAfterViewInit(), ngafterContentInit(), ngAfterViewChecked() and a constructor()? How do we implement them in the Angular 2? What are their purposes and...