How to use multiple ngfor in angular. Explain Add an if else clause within *ngFor in Angular / TypescriptI am currently working on a project in Angular 7 angular-forms I have an array of elements which the user can not only edit, but also add and delete complete array elements. Learn how to use the nested ngFor directive in Angular to iterate over arrays of objects and display their data in a structured way. What's the difference between switchMap, mergeMap, concatMap, and exhaustMap? When would you use each? 2. html First, the *ngFor directive is used to iterate over the values of the options array. Can anyone help me? In *ngFor the * is a shorthand for using the new angular template syntax with a template tag, this is also called structural Directive. Apr 20, 2021 · Hi guys, I'm new to Angular and would like to create a pipe to sort a ngfor by translated name. These angular questions cater to freshers as well as experienced professionals(2 to 10 years). We can get the index of the item we are looping over by assigning index to a variable in the NgFor expression. If you want to iterate conditionally, for example, put the * ngIf on a container element that wraps the * ngFor element. We can nest muliple NgFor directives together. How do I use the *ngFor directive to make a div repeat 20 times? When using the shorthand syntax, Angular allows only one structural directive on an element. Learn how to implement a search filter for select options in Angular applications with this helpful guide. This tutorial lesson demonstrates how to use ngFor directive in Angular templates in order to display dynamically repeated data in a template. This means that if you build a list of new objects from scratch with the exact same values as the previous list and pass this newly built list to ngFor, Angular will not be able to tell that a given list item is already present or not. It's a shortcut to the following syntax: template=“ngFor let item of items” . component. 3 days ago · The build artifacts will be stored in the dist/ directory. What is * in ngFor Angular? The * character before ngFor creates a parent template. Master the Angular ngFor directive and learn to manage dynamic lists, improve UI rendering, and optimize your Angular apps with this beginner's guide. The keyframes () function in Angular allows you to specify multiple interim styles within a single transition, with an optional offset to define the point in the animation where each style change should occur. It is helpful to know that * is just a shorthand to explicitly defining the data bindings on a template tag. This works nicely, unless I attempt to add a value to the beginning of the array (e. We use the NgFor directive to loop over an array of items and create multiple elements dynamically from a template element. Oct 2, 2025 · As the creator of CoreUI, a widely used open-source UI library, I’ve implemented ngFor in countless Angular components including data tables, navigation menus, and dashboard widgets. Apr 25, 2019 · 💉 Shot #6: How to apply multiple *ngIf/*ngFor statements to an element Introduction Have you ever been in a situation when you need to apply *ngFor and *ngIf to a single element? If yes, then Dec 22, 2020 · So you cannot use two ngFor s on the same element, but you can use the index, if both arrays are of the same size, to check whether or not there is a value. using unshift). Which animation strategy would you use if there were multiple animations that had to occur at the same time? Day-13 5 Years in Angular → 30 Interview Questions Top Companies Actually Ask 1. . How do I use *ngFor to repeat a HTML element multiple times? For eg: If I have a member variable assigned to 20. Apr 10, 2022 · However, the purpose of this article is to show how to create multiple identical dynamic components with different inputs using *ngFor . Is ngFor a loop? app. This guide includes detailed examples and code snippets to help you get started. g. The template element is the element the directive is attached to. You did not give an example of the data format, so I'm probably going to give an example that will have to be adapted. Feb 8, 2026 · Most Asked Angular Interview Questions to crack your dream company interviews. Mar 8, 2025 · ngFor by default tracks list items using object identity. lfk wqo yea jtb bmc ldz snl sfo oak zdz heu non rsj svg rng