[Solved] Which of the following is the correct way to implement ngOnDestroy in an Angular component? — Ans: ngOnDestroy() { console.log('Component destroyed'); } | Angular

Angular - Lifecycle Hooks

Which of the following is the correct way to implement ngOnDestroy in an Angular component?

Adestroy() { console.log('Component destroyed'); }

BngOnDestroy = () => { console.log('Component destroyed'); }

Cfunction ngOnDestroy() { console.log('Component destroyed'); }

DngOnDestroy() { console.log('Component destroyed'); }

Step-by-Step Solution

Solution:

Step 1: Recall Angular lifecycle hook syntax
Angular lifecycle hooks are methods inside the component class with exact names like ngOnDestroy().
Step 2: Check method declaration style
The correct syntax is a method, not an arrow function or standalone function, and must be named exactly ngOnDestroy.
Final Answer:
ngOnDestroy() { console.log('Component destroyed'); } -> Option D
Quick Check:
ngOnDestroy method syntax = ngOnDestroy() { console.log('Component destroyed'); } [OK]

Quick Trick: Use method syntax named exactly ngOnDestroy [OK]

Common Mistakes:

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Which of the following is the correct way to implement ngOnDestroy in an Angular component?