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Angular10 getNumberOfCurrencyDigits() Function

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  • Last Updated : 30 Apr, 2021
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In this article, we are going to see what is getNumberOfCurrencyDigits in Angular 10 and how to use it.

The getNumberOfCurrencyDigits is used to get the number of decimal digits for a given currency.

Syntax:

getNumberOfCurrencyDigits(code: string): number

NgModule: Module used by getNumberOfCurrencyDigits 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 getNumberOfCurrencyDigits.
import { LOCALE_ID, NgModule } from '@angular/core';
  • In app.component.ts import getNumberOfCurrencyDigits 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.

Parameters:

  • code: the currency code

Return value:

  • number: The number of decimal digits.

Example 1:

app.module.ts




import { LOCALE_ID, NgModule } 
        from '@angular/core';
import { BrowserModule } 
        from '@angular/platform-browser';
  
import { AppRoutingModule } 
        from './app-routing.module';
import { AppComponent }
        from './app.component';
  
@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    AppRoutingModule
  ],
  providers: [
      { provide: LOCALE_ID, useValue: 'en-GB' },
  ],
  bootstrap: [AppComponent]
})
export class AppModule { }

app.component.ts




import {FormStyle,
        getNumberOfCurrencyDigits, 
        TranslationWidth} 
        from '@angular/common';
  
import {Component, 
        Inject,OnInit, 
        LOCALE_ID } 
        from '@angular/core';
  
@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})
export class AppComponent {
    for = getNumberOfCurrencyDigits(this.locale);
    constructor(
        @Inject(LOCALE_ID) public locale: string,){}
      }

app.component.html




<h1>
   GeeksforGeeks
</h1>
<p>currency digit number is: {{for}}</p>

Output:

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


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