directive
The ControlValueAccessor for writing a number value and listening to number input changes. The value accessor is used by the FormControlDirective, FormControlName, and NgModel directives.
input[type=number][formControlName]input[type=number][formControl]input[type=number][ngModel]The following example shows how to use a number input with a reactive form.
const totalCountControl = new FormControl();
<input type="number" [formControl]="totalCountControl">
© 2010–2021 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v11.angular.io/api/forms/NumberValueAccessor