How should you correctly declare the ngAfterViewInit method in an Angular component implementing the AfterViewInit interface?

easy📝 Syntax Q3 of 15

Angular - Lifecycle Hooks

How should you correctly declare the ngAfterViewInit method in an Angular component implementing the AfterViewInit interface?

AngAfterViewInit() { return true; }

BngAfterViewInit(): void { /* code here */ }

CngAfterViewInit(event): void { /* code here */ }

DngAfterViewInit(): string { return 'done'; }

Step-by-Step Solution

Solution:

Step 1: Interface method signature
The AfterViewInit interface requires ngAfterViewInit() with no parameters and void return type.
Step 2: Correct syntax
ngAfterViewInit(): void { /* code here */ } matches the correct method signature: ngAfterViewInit(): void { /* code */ }.
Final Answer:
ngAfterViewInit(): void { /* code here */ } -> Option B
Quick Check:
Method signature matches interface [OK]

Quick Trick: ngAfterViewInit has no parameters and returns void [OK]

Common Mistakes:

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