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Identify the error in this Angular component using an external template:

medium📝 Debug Q14 of 15
Angular - Components
Identify the error in this Angular component using an external template:
@Component({
  selector: 'app-error',
  templateUrl: './error.component.html'
})
export class ErrorComponent {
  title = 'Error Example';
}

The file error.component.html does not exist in the project folder.
AThe component will render the class properties as plain text.
BThe component will render with empty content without errors.
CThe component will fallback to an inline template automatically.
DAngular will throw a build or runtime error because the template file is missing.
Step-by-Step Solution
Solution:
  1. Step 1: Understand external template linking

    Using templateUrl requires the HTML file to exist at the specified path.
  2. Step 2: Check missing file impact

    If the file is missing, Angular build or runtime will throw an error indicating the template cannot be found.
  3. Final Answer:

    Angular will throw a build or runtime error because the template file is missing. -> Option D
  4. Quick Check:

    Missing external template file causes error [OK]
Quick Trick: Missing templateUrl file causes error, no fallback [OK]
Common Mistakes:
  • Assuming Angular renders empty content silently
  • Thinking Angular falls back to inline template
  • Expecting class properties to render without template

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