ngForm directive in Angular?The ngForm directive automatically creates a form group that tracks the value and validity of form controls inside a form element.
It helps Angular manage form state like whether the form is valid, dirty, or touched.
ngForm.- valid: True if all controls are valid.
- dirty: True if any control value has changed.
- touched: True if any control has been focused and then blurred.
ngForm state when a user interacts with form controls?Angular listens to user input events on form controls and updates the ngForm state properties accordingly.
For example, when a user changes a field, dirty becomes true; when a field loses focus, touched becomes true.
ngForm directive provide to the template for form validation?It provides a local template variable that gives access to the form's state and controls.
You can use this variable to check if the form is valid or invalid and disable submit buttons or show error messages.
pristine and dirty states in ngForm.Pristine means the user has not changed the value of any form control yet.
Dirty means the user has changed the value of at least one form control.
These states help track if the form has been modified.
ngForm directive automatically create?ngForm creates a form group that tracks the value and validity of form controls inside the form.
ngForm property becomes true when a user changes any form control value?dirty means the user has changed the value of at least one control.
ngForm?You assign a local variable to the form with #formName="ngForm" to access its state.
touched state indicate in ngForm?touched means a control was focused and then lost focus (blurred).
pristine means no changes have been made to the form controls.
ngForm directive helps manage form state in Angular.dirty and touched states in an Angular form.