angular how to run code every time you route

ngOnInit(){<br /> this.router.events.subscribe(event =>{<br /> if (event instanceof NavigationStart){<br /> console.log(event.url)<br /> this.routerChangeMethod(event.url);<br /> }<br /> })<br /> }</p> <p>routerChangeMethod(url){<br /> this.title = url;<br /> }<br />