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As described in the official Angular blog, you just need to enable this in the router configuration like this: RouterModule.forRoot(routes, {scrollPositionRestoration: 'enabled'}) This should go either in the app component directly, or in a single component used in it (and therefore shared by the whole app). Note that this service must be declared (as I’ve separated interface/implementation and defined an injection token). If the user decides do navigate back, the page does not scroll to the previous point.

With this service declared and loaded (through a CoreModule.forRoot() call, then service can easily be injected and programmatically configured like this: With the above in place (and still considering the same AppComponent template presented earlier in this article), the service is now configured to also keep track of the scroll position of the “mainContent” main element of the page. It would be even worse when we get async data from API, the anchor scrolling was not working. This is also a function commonly used in static HTML pages, but in Angular it did not work because the browser searches for the element earlier than component generation by Router. Hello highlight.js! The thing is that it isn’t aware of your content at all. querySelector ('div'); // get scroll position in px It will help you handle manually each time Scroll Event occurs. This means that scrolling to the top of the page can’t be done simply by using Window.scrollTo(…).

This is then used to get the last scroll level of that state from scrollLevels. It it also possible to check for existence of variable windows, to be safe, like this: Angular lately introduced a new feature, inside angular routing module make changes like below, in your main component html make reference #scrollContainer.

sachin May 30, 2018. Another params is to scroll to an element with a corresponding ID if there is a fragment like #foo in the URL. 2s ease-in-out;} . Moreover, it would only work if your page layout relies on the main viewport (i.e., if the whole layout scrolls). If there is no stored scroll level for the route, it will scroll to the top as you would expect. Angular — Using NgTemplateOutlet to communicate between parent and dynamic child components, StencilJS, AngularJS, slots, the shadow DOM, IE, and you, Best Practices to Control Your Errors in JavaScript, Why You Should Consider Using TypeScript Generics Instead of Any. Just verified the API: The element to be scrolled might not be in the, Awesome. By default you will find this in app-routing.module.ts: You can write this more succinctly by taking advantage of the observable filter method: If you're having issues scrolling to the top when using the Angular Material 2 sidenav this will help. So far this hasn't happened (as of Angular 8.2), but eventually you won't need to do anything at all in your code, and this will just work correctly out of the box. We give it the injected platformId. Also, it isn’t able to tell the difference between route changes that replace the entire viewport of only change a subset of the page (e.g., changing the contents of a secondary router outlet). site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa.

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