Angular TutorialLesson 18Free preview

Angular Directives

This lesson is part of Angular · All levels

Summary

Directives are classes that change the appearance or behavior of DOM elements. Angular identifies three types: components, structural directives such as *ngIf and *ngFor that change layout, as well as attribute directives such as ngClass and ngStyle that change appearance. You can also create your own custom directives.

Key points

Structural directives change the structure of DOMs such as *ngIf and *ngFor
The directive attributes change appearances like ngClass and ngStyle
Syntax * on structural directives simplifies writing
Custom directives made with decorator @Directive

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