NgControl

From Get docs
< @angular/formsAngular/docs/9/api/forms/ngcontrol


NgControl

class

A base class that all control FormControl-based directives extend. It binds a FormControl object to a DOM element.

abstract class NgControl extends AbstractControlDirective {
  name: string | number | null
  valueAccessor: ControlValueAccessor | null
  validator: ValidatorFn | null
  asyncValidator: AsyncValidatorFn | null
  abstract viewToModelUpdate(newValue: any): void

  // inherited from forms/AbstractControlDirective
  abstract control: AbstractControl | null
  value: any
  valid: boolean | null
  invalid: boolean | null
  pending: boolean | null
  disabled: boolean | null
  enabled: boolean | null
  errors: ValidationErrors | null
  pristine: boolean | null
  dirty: boolean | null
  touched: boolean | null
  status: string | null
  untouched: boolean | null
  statusChanges: Observable<any> | null
  valueChanges: Observable<any> | null
  path: string[] | null
  reset(value: any = undefined): void
  hasError(errorCode: string, path?: string | (string | number)[]): boolean
  getError(errorCode: string, path?: string | (string | number)[]): any
}

Subclasses

  • NgModel
  • FormControlDirective
  • FormControlName


Properties

Property Description
number | null The name for the control
null The value accessor for the control
null

Read-Only The registered synchronous validator function for the control

null

Read-Only The registered async validator function for the control

Methods

The callback method to update the model from the view when requested

abstract viewToModelUpdate(newValue: any): void

Parameters
newValue any The new value for the view
Returns

void



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Licensed under the Creative Commons Attribution License 4.0.
https://v9.angular.io/api/forms/NgControl