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

The key feature of ngModel in the context of Angular forms is two-way data binding. This means that ngModel allows for the automatic synchronization of data between the model (the TypeScript class) and the view (the template). When a user interacts with a form element, the data in the model gets updated in real-time, and conversely, if the model data changes programmatically, the view will also reflect those changes automatically.

This binding enhances the user experience by minimizing the boilerplate code necessary to handle data changes between the model and the view. Two-way data binding is particularly useful in dynamic forms where inputs and model values need to be kept in sync without having to write additional event listeners or update functions manually for each interaction.

While the other choices may provide useful functionality in Angular, they do not capture the primary capability of ngModel. For instance, one-way data binding refers to the unidirectional flow of data (from model to view) and is a different concept. Manual form validation focuses on how to validate user input, which is a separate consideration when working with forms. Asynchronous loading of forms involves fetching data and rendering the form based on that data, but it does not inherently relate to the binding capabilities that ngModel provides.