What are the attributes of textarea?
Attributes
| Attribute | Value | Description |
|---|---|---|
| form | form_id | Specifies which form the text area belongs to |
| maxlength | number | Specifies the maximum number of characters allowed in the text area |
| name | text | Specifies a name for a text area |
| placeholder | text | Specifies a short hint that describes the expected value of a text area |
Can we use ngModel in textarea?
Textarea elements are being referred to by using the value of the ng-model attribute.
What is [( ngModel )] used for?
ngModel is a directive which binds input, select and textarea, and stores the required user value in a variable and we can use that variable whenever we require that value. It also is used during validations in a form.
How do you make an NG-model?
Approach:
- Create the Angular app to be used.
- In app. component. ts make a variable that gives value to the input field.
- In app. component. html make a form and use ngModel to get the value of the input.
- Serve the angular app using ng serve to see the output.
Does textarea have a value attribute?
does not support the value attribute.
What attributes are valid for textarea input?
Specific Attributes
| Attribute | Value | Description |
|---|---|---|
| form | form_id | Specifies one or more forms. |
| maxlength | number | Specifies the maximum number of characters in textarea. |
| name | text | Assigns a name to the input control. |
| placeholder | text | Specifies a short hint of the value in textarea. |
Can’t bind to ngModel since it isn’t a known property of textarea?
To fix Can’t bind to ‘ngModel’ since it isn’t a known property of ‘input’ error in Angular applications we have to import FormModule in app. module. ts file. If you are using FormBuilder class to create reactive form we have to import ReactiveFormsModule as well to avoid below error.
What is two way data binding in Angular?
The two-way data binding in Angular enables data to flow from the component to the view and the other way round. It is used to display information to the end-user and allows them to make changes to the underlying data using the UI.
What is the difference between ngModel and ngModel?
The answer is: (ngModel) causes a 1-way data-binding, whereas [(ngModel)] ensures a two-way data binding.
What is ngModel in Angular example?
ngModel Usage With Example The ng-model directive binds the value of HTML controls (input, select, text-area) to application data. It is a part of the FormsModule. This directive is used by itself or as part of a larger form. It accepts a domain model as an optional Input.
What is the difference between ng-model and data NG model?
For AngularJS there is no difference between ng-app and data-ng-app or ng-controller and data-ng-controller or ng-model and data-ng-model because while compiling HTML page, AngularJS strips data- or x- prefix.
What is difference between ngModel and Ng bind?
ngModel usually use for input tags for bind a variable that we can change variable from controller and html page but ngBind use for display a variable in html page and we can change variable just from controller and html just show variable.