[Solved] How do you specify the OnPush change detection strategy in an Angular component? - Ans: Add changeDetection: ChangeDetectionStrategy.OnPush in the @Component decorator | Angular

Angular - Change Detection

How do you specify the OnPush change detection strategy in an Angular component?

AAdd <code>changeDetection: ChangeDetectionStrategy.OnPush</code> in the @Component decorator

BSet <code>changeDetection: 'OnPush'</code> in the component class constructor

CUse <code>@ChangeDetection('OnPush')</code> decorator on the component class

DCall <code>this.changeDetectorRef.setStrategy('OnPush')</code> inside ngOnInit

Step-by-Step Solution

Solution:

Step 1: Recall Angular syntax
The change detection strategy is set in the component metadata, inside the @Component decorator.
Step 2: Correct syntax
Use changeDetection: ChangeDetectionStrategy.OnPush as a property in the decorator.
Final Answer:
Add changeDetection: ChangeDetectionStrategy.OnPush in the @Component decorator -> Option A
Quick Check:
Change detection strategy is a decorator property [OK]

Quick Trick: Set changeDetection in @Component decorator [OK]

Common Mistakes:

MISTAKES

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How do you specify the OnPush change detection strategy in an Angular component?