Angular - Older Versions Support. After running this, CLI will ask for routing and style sheet format. To test this, I used the same list template above and simply initialized the code with a list with thousands of items to see how it affects performance. Angular Material 10|9 File Browse/Upload UI-Design in Form for Input with File Type using Material Components, Angular 10|9 Best Video Player using ngx-videogular with Customized Controls, How to Debug Stored Procedures in SQL Server using Visual Studio 2019, Download/ Install SQL Server 2019 Free/ Community Edition for Windows 10 Step by Step, React + Material UI | Accordion Tabs Tutorial with Example, Angular 10|9 Reactive Form Validation Messages for Email, Password, Name and Address, React + Material-UI Datepicker and Timepicker Tutorial, React + Firebase + Material UI | Create a TODO App with CRUD Operations using Firebase Database, React Bootstrap 4 Table Pagination using react-bootstrap-table-next Example Tutorial, Angular | Allow Only Numbers or Alphanumeric in Input Restrict Other Characters using Keypress Event. versions now follow Angular's version to easily reflect compatibility. If you’re not familiar, think about the Facebook news feed or the Twitter time line and how both of these load up more items as you scroll down the screen, almost magically sometimes. Next, we simply add the Angular Material Progress Spinner and some styling to make it appear at the bottom of the list. Our list will contain a title, some content and an image avatar. For each time the user scrolls the list.

I hope it helps you in your own projects as well! Then, let’s add our required modules to the app.module.ts file. Run ng generate component component-name to generate a new component. Last, but not the least, we subscribe to this stream and call our fetchMore()function there. Run ng build to build the project. You can install faker.js in Angular by running following commands. Angular CDK Virtual Scroll Basics. Infinite scrolling is a common UI/UX solution to the problem of presenting a large list to your users. Here’s a snapshot of the heap memory when the list size was 5000 and a GIF showing the UI degradation for the menu opening. Virtual scrolling is a useful strategy to use when rendering large lists in web apps. To setup our project, we first create a new Angular app and add Angular Material components to the same. *cdkVirtualFor is similar to *ngFor and used to loop over the list of object. Instead of running git commit run git cz and follow the prompts. To append new items to the list as the user scrolls to the bottom, we need to add some RxJS magic to our app. Check more supported emit event in the documentation here. And instead of *ngFor we’re using *cdkVirtualFor to loop through our list items. To add the Angular CDK virtual scroller, we first need to include the ScrollingModule in our app.module.ts file. Angular Infinite Scroll.