Angular forms
In every web application, forms are the bridge between users and the app.
They let users
- Fill in details
- Submit requests
- Share feedback
- Log in, register, and much more
What Are Angular Forms ?
Angular Forms help developers
Angular Forms help developers
- Collect user data
- Validate user inputs (like required fields, email formats, etc.)
- Create interactive and dynamic form experiences
Angular offers two main approaches to build forms
Template-Driven Forms
- Built mostly in HTML templates, using Angular directives like ngModel.
- Good for simpler forms where logic isn’t too complex.
- More declarative: most logic is in the template rather than TypeScript.
Example:
<input type="text" [(ngModel)]="username" name="username" required>Reactive Forms
Better for complex forms with
- Built programmatically in TypeScript using Angulars FormGroup, FormControl, and FormBuilder.
Better for complex forms with
- Dynamic fields
- Custom validation
- Conditional logic
- Easier to test and maintain.
Example:
profileForm = new FormGroup({ firstName: new FormControl(''), lastName: new FormControl('')});
Why Use Angular Forms ?
- Validate user data before submission
- Show dynamic error messages
- Build complex forms easily (like adding/removing fields)
- Improve user experience and accessibility