Angular 4, How to update [(ngModel)] with a delay of 1 seconds

Question

Since ngModel is updating instantly how to put a delay.

Answer 1

update_fields(){

  this.service.yourTask(){
    .subscribe(data => {
      setTimeout(()=>{ //your task }, 4000)
    }    
  }
}


someFunction() {
    setTimeout(() => /* code to execute */, 3000)
}