Using Router Events To Detect Back And Forward Browser Navigation In Angular 7.0.4

Описание: Ben Nadel looks at the addition of the "navigationTrigger" and "restoredState" properties on the NavigationStart event emitted by the Router in Angular 6+. These properties allow us to differentiate navigation actions that were triggered imperatively by our application code; or, as a location-based change such as clicking the browser's Back and Forward buttons.

Blog Post: bennadel.com/blog/3533-using-router-events-to-detect-back-and-forward-browser-navigation-in-angular-7-0-4.htm