how to refresh page automatically in angular 6 code example

Example 1: How to Reload a Component in Angular

reloadComponent() {
  let currentUrl = this.router.url;
      this.router.routeReuseStrategy.shouldReuseRoute = () => false;
      this.router.onSameUrlNavigation = 'reload';
      this.router.navigate([currentUrl]);
  }

Example 2: angular 6 reload current page

import { DOCUMENT } from '@angular/common';
import { Component, Inject } from '@angular/core';

@Component({
  selector: 'app-refresh-banner-notification',
  templateUrl: './refresh-banner-notification.component.html',
  styleUrls: ['./refresh-banner-notification.component.scss']
})

export class RefreshBannerNotificationComponent {

  constructor(
    @Inject(DOCUMENT) private _document: Document
  ) {}

  refreshPage() {
    this._document.defaultView.location.reload();
  }
}