how to reload html page in angular 6 ionic 3 code example

Example 1: reload ionic page

import { Component } from '@angular/core';

@Component({
  selector: 'refresher-example',
  templateUrl: 'refresher-example.html',
  styleUrls: ['./refresher-example.css'],
})
export class RefresherExample {
  constructor() {}

  doRefresh(event) {
    console.log('Begin async operation');

    setTimeout(() => {
      console.log('Async operation has ended');
      event.target.complete();
    }, 2000);
  }
}

Example 2: ionic reload app

// Go to voice: resets all view cache: so data is reloaded with currently language. 
window.location.assign('/');