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What is the main purpose of the ngAfterViewInit lifecycle hook in Angular?

easy📝 Conceptual Q11 of 15
Angular - Lifecycle Hooks
What is the main purpose of the ngAfterViewInit lifecycle hook in Angular?
ATo clean up resources when the component is destroyed
BTo initialize component input properties before the view loads
CTo handle user input events like clicks and keypresses
DTo run code after the component's view and child views are fully initialized
Step-by-Step Solution
Solution:
  1. Step 1: Understand Angular lifecycle hooks

    Angular provides hooks to run code at specific times in a component's life, such as creation, view initialization, and destruction.
  2. Step 2: Identify when ngAfterViewInit runs

    ngAfterViewInit runs after Angular fully initializes the component's view and its child views, making it safe to access view elements.
  3. Final Answer:

    To run code after the component's view and child views are fully initialized -> Option D
  4. Quick Check:

    ngAfterViewInit = view ready code [OK]
Quick Trick: Runs after view loads, safe to access elements [OK]
Common Mistakes:
  • Confusing it with ngOnInit which runs earlier
  • Using it to handle input properties initialization
  • Thinking it runs on component destruction

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