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7 Router link

What Is RouterLinkActive in Angular?

What Is RouterLinkActive?
The RouterLinkActive is a directive. To add the active CSS class to the element when the associated RouterLink becomes active (visually look like selected anchors). It is also works for both parent and child elements.

@Directive({
  selector: '[routerLinkActive]',
  exportAs: 'routerLinkActive'
})

Consider the following example for active a link –
<a routerLink="/user/detail" routerLinkActive="active-link">User Detail</a>

You can also set more than one class and it look like this.
<a routerLink="/user/detail" routerLinkActive="active-class1 active-class2">User detail</a>
<a routerLink="/user/detail" [routerLinkActive]="['active-class1', 'active-class2']">User detail</a>

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