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19th May, 2023

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Angular ngFor with limit slice: How to iterate over an array and display a limited number of elements

The ngFor directive is used to iterate over an array and display its elements. The limit slice pipe can be used to limit the number of elements that are displayed.

Example

The following example shows how to use ngFor with limit slice to display the first 10 elements of an array:

HTML

<div *ngFor="let item of items | slice:0:10">
  {{item}}
</div>

Output

The output of the above code will be the first 10 elements of the array, starting from the first element.

Conclusion

The ngFor directive is a powerful tool for displaying data in Angular. The limit slice pipe can be used to limit the number of elements that are displayed, which can be useful for improving performance or for displaying a limited amount of data.

Code Snippets

Here are the code snippets for the example above:

TypeScript

import { Component, OnInit } from '@angular/core';

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {

  items = ['Item 1', 'Item 2', 'Item 3', 'Item 4', 'Item 5', 'Item 6', 'Item 7', 'Item 8', 'Item 9', 'Item 10'];

  ngOnInit() {
  }

}

HTML

<h1>Angular 14 ngFor with limit slice</h1>

<div *ngFor="let item of items | slice:0:10">
  {{item}}
</div>

CSS

h1 {
  text-align: center;
}

Admin

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