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Angular forms formatCurrency Directive

  • Last Updated : 02 Jun, 2021

In this article, we are going to see what is formatCurrency in Angular 10 and how to use it. The formatCurrency is used to format a number as currency using locale rules.

Syntax:

formatCurrency(value, locale, currency, currencyCode, digitsInfo)

Parameters:

  • value: The number to format.
  • locale: A locale code for the locale format.
  • currency: A string containing the currency symbol or its name.
  • currencyCode: the currency code.
  • digitsInfo: Decimal representation options.

 

Return Value:



  • string: the formatted currency code.

NgModule: Module used by formatCurrency is:

  • CommonModule

Approach: 

  • Create the Angular app to be used.
  • In app.module.ts import LOCALE_ID because we need locale to be imported for using get formatCurrency.
    import { LOCALE_ID, NgModule } from '@angular/core';
  • In app.component.ts import formatCurrency and LOCALE_ID
  • inject LOCALE_ID as a public variable.
  • In app.component.html show the local variable using string interpolation
  • Serve the angular app using ng serve to see the output.

Example 1:

app.component.ts




import {
  formatCurrency
 }
  from '@angular/common';
  
import {Component,
  Inject,
  LOCALE_ID }
  from '@angular/core';
  
@Component({
selector: 'app-root',
templateUrl: './app.component.html'
})
export class AppComponent {
curr = formatCurrency(10,this.locale,
          'USD');
constructor(
  @Inject(LOCALE_ID) public locale: string,){}
}

app.component.html




<h1>
  GeeksforGeeks
</h1>
  
<p>Locale Currency is : {{curr}}</p>

Output:

Example 2:

app.component.ts




import {
  formatCurrency
 }
  from '@angular/common';
  
import {Component,
  Inject,
  LOCALE_ID }
  from '@angular/core';
  
@Component({
selector: 'app-root',
templateUrl: './app.component.html'
})
export class AppComponent {
curr = formatCurrency(10,this.locale,
          'INR');
constructor(
  @Inject(LOCALE_ID) public locale: string,){}
}

app.component.html




<h1>
  GeeksforGeeks
</h1>
  
<p>Locale Currency is : {{curr}}</p>

Output:

Reference: https://angular.io/api/common/formatCurrency




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