I am using angular 7 Angular CLI: 7.3.9 Node: 10.16.3 OS: linux x64 Angular: 7.2.15 I use this code to pass data when route to another component this.router.navigate(['/product'],{state: {token: data.token}}); and try to get token using following code ngOnInit() { console.log("#25"); this.state = this.activatedRoute.paramMap .pipe(map(() => window.history.state)); console.log("#28"); //method 1 console.log(this.state.token); this.router.events.pipe(filter(e => e instanceof NavigationStart)) .subscribe((e: NavigationStart) => { this.state = this.router.getCurrentNavigation().extras.state; console.log("#33"); //method 2 console.log(this.state.token); }); } the console show 25 product.component.ts:25:10 28 product.component.ts:28:10 undefined both method cannot get data back, how can I do it right? Continue reading...