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Angular Interview Questions

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Showing 4 Angular Router practice prompts

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ANGULAR

What is Angular Router and how does basic navigation work?

Angular Router (`@angular/router`) enables Single Page Application navigation by mapping URL paths to components. Routes are configured via `Routes = [{ path: 'dashboard', component: DashboardComponent }]`, with template navigation handled by `<router-outlet>` placeholders and `[routerLink]="['/dashboard']"` attributes.
◦ router
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ANGULAR

What are Route Guards and how do Functional Guards work in modern Angular?

Route Guards control navigation permissions (e.g., authentication, unsaved changes). Modern Angular uses functional guards like `canActivateFn`: `export const authGuard: CanActivateFn = (route, state) => { const auth = inject(AuthService); return auth.isLoggedIn() ? true : createUrlTreeFromSnapshot(route, ['/login']); }`. They eliminate verbose class boilerplate and leverage the `inject()` function directly.
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ANGULAR

How do you implement Lazy Loading with Standalone Components?

In the route configuration, use `loadComponent`: `{ path: 'admin', loadComponent: () => import('./admin/admin.component').then(m => m.AdminComponent) }`, or `loadChildren` for child route groups: `loadChildren: () => import('./feature/routes').then(m => m.FEATURE_ROUTES)`. Webpack/Vite generates a separate chunk loaded only when the user navigates to the route.
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ANGULAR

What are Resolvers in Angular Router and when should they be used?

Resolvers (`ResolveFn`) prefetch critical data before a route navigation transition finishes, ensuring the target component only renders once the required payload is ready. However, excessive resolver usage can delay perceived navigation latency; modern patterns often prefer instant navigation with skeleton loaders inside the routed component.
◦ router

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