Answer
Directives are instructions applied to DOM elements.
Types include structural directives (*ngIf, *ngFor) and attribute directives (ngClass, ngStyle).
Quick Answer
Directives are classes that add behavior to DOM elements. Three types: Component (a directive with a template), Structural (*ngIf, *ngFor, *ngSwitch - alter DOM structure by adding/removing elements), Attribute ([ngClass], [ngStyle], custom - modify element appearance or behavior without changing structure). Custom directives encapsulate reusable DOM behavior.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ