import { Component, OnInit } from '@angular/core'; import { Location } from '@angular/common'; import { Router, ActivatedRoute } from '@angular/router'; @Component({ selector: 'app-changedetails', templateUrl: './changedetails.page.html', styleUrls: ['./changedetails.page.scss'], }) export class ChangedetailsPage implements OnInit { constructor( private router: Router, private route: ActivatedRoute, private location: Location ) { } ngOnInit() { } goToPage(path, data = null) { this.router.navigateByUrl(path, { queryParams: data }); document.body.scrollTop = document.documentElement.scrollTop = 0; } goBack() { this.location.back(); } }