How to detect URL change in angular 2?
<p>Route change can be detected using the <code>router.events</code> stream. (<a href="https://stackoverflow.com/questions/33520043/how-to-detect-route-change-in-angular-2">How to detect a route change in Angular 2?</a>).</p>

<p>But I am not sure how to detect browser URL change.</p>