GaramX

Before

import { EmployeeService } from './employee.service';

providers : [EmployeeService],

Now

@Injectable({
  providedIn: 'root',
  })
export class EmployeeService{

Before

<input [(ngMedel)]="name" (ngModelChange)="onChange($event)">
 
 
onChange(value) {
  console.log(value); // would log updated value
}

Now

<input #modelDir="ngModel" [(ngModel)]="name" (ngModelChange)="onChange(modelDir)">
 
onChange(ngModel: NgModel){
  console.log(ngModel.value); // would log old value, not update  value
}