directive
The ControlValueAccessor for writing a range value and listening to range input changes. The value accessor is used by the FormControlDirective, FormControlName, and NgModel directives.
input[type=range][formControlName]input[type=range][formControl]input[type=range][ngModel]The following example shows how to use a range input with a reactive form.
const ageControl = new FormControl();
<input type="range" [formControl]="ageControl">
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https://v11.angular.io/api/forms/RangeValueAccessor