refresh page when page routing to another page and come back to previous page(like tabs page to another page and other page to came back tabs page that time load the page using below code)

import { NavigationEnd, Router } from '@angular/router';

place the below code in ngOnInt() function inside 

this.router.events.subscribe((evt) => {

      if (!(evt instanceof NavigationEnd)) {

        return;

      }

      console.log('hai')

          });