Angular Interview Test 2025 – 400 Free Practice Questions to Pass the Exam

ngModel is a core directive in Angular that is primarily used for two-way data binding between form inputs and component properties. When applied to an input element, ngModel creates a two-way binding, allowing changes in the input field to automatically update the corresponding property in the component class, and vice versa. This feature is vital for building dynamic forms where user interactions directly reflect in the underlying model.

In practice, when a user types into a form control bound with ngModel, the changes are instantly propagated to the specified property in the component. This means that any changes made to the property will also be reflected in the UI, creating a seamless synchronization between the user interface and the component's state. This makes state management much more manageable in Angular applications, especially when dealing with forms.

The other options describe different aspects of Angular functionality. For instance, while there are directive options for one-way data bindings and modules for HTTP requests, ngModel specifically focuses on data binding related to user inputs in forms, which is what sets it apart from these other functionalities. Similarly, routing components are a separate feature in Angular that allows navigation between different views but are not related to form data handling.