GeezerVison

    
      class NumberValueAccessor extends BuiltInControlValueAccessor implements ControlValueAccessor {}
    
    

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.

Using a number input with a reactive form.

The following example shows how to use a number input with a reactive form.

const totalCountControl = new FormControl();

<input type="number" [formControl]="totalCountControl">