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Usage of *ngFor

ngFor directives is helpful for looping through a set of values and then rendering 'n' number of html elements for each value that holds true in the expression before it.

Practical Examples of *ngFor

Please follow the mentioned steps:

  1. Create a compennt named 'home'
  2. Add the home component in the app.component.html file removing all boilerplate code there.
  3. Create an Array for Students in logic file (.ts) along with data containing - name, country, age of 5 people. We will use this data to loop in the view (.html) file.


<ul *ngFor="let x of students">
  <li style="background:blue" *ngIf="x.country == 'USA'">
    {{x.name}}, {{x.country}}, {{x.age}}


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

  selector: 'app-home',
  templateUrl: './home.component.html',
  styleUrls: ['./home.component.css']
export class HomeComponent implements OnInit {

  students = [
    {name: 'Robert', country: 'USA', age: 27},
    {name: 'Lily', country: 'UK', age: 17},
    {name: 'Jacob', country: 'USA', age: 19},
    {name: 'Rose', country: 'Canada', age: 31},
    {name: 'Gilbert', country: 'China', age:47}

  constructor() { }

  ngOnInit() {

  1. You'll get the following result.

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