3.2) Angular | Life cycle hooks | ngOnInit() vs Constructor() in Tamil

In this video, explained difference between ngOnInit() & Constructor(), and its use cases as well. 00:00 - Introduction 00:39 - Order of execution & examples 03:18 - Errors crashes App in Constructor() but not in ngOnInit() 09:00 - Can access @Input value in ngOnInit() but not in Constructor() 13:11 - How they are reacts on routing? 16:47 - Importance of Constructor() in Angular 17:43 - Conclusion