Angular - Lifecycle Hooks
When is the
ngOnInit method called during the Angular component lifecycle?When is the ngOnInit method called during the Angular component lifecycle?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Angular lifecycle order
The constructor runs first, then Angular sets input properties, then calls ngOnInit.Step 2: Confirm timing of ngOnInit
ngOnInit runs once after inputs are ready, before rendering.Final Answer:
After the constructor and after input properties are set -> Option BQuick Check:
ngOnInit timing = after constructor and inputs [OK]
Quick Trick: ngOnInit runs after constructor and inputs set [OK]
Common Mistakes:
- Thinking ngOnInit runs before constructor
- Assuming ngOnInit runs multiple times
- Confusing ngOnInit with ngOnDestroy
Master "Lifecycle Hooks" in Angular
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