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