Angular PrimeNG Form InputNumber Prefix and Suffix Component

Angular PrimeNG is an open-source framework with a rich set of native Angular UI components that are used for great styling and this framework is used to make responsive websites with very much ease. In this article, we will learn how to use the Form InputNumber Prefix and Suffix Component in Angular PrimeNG. We will also learn about the properties, along with their syntaxes that will be used in the code.

The InputNumber Component allows a user to input content as a numerical value. With the use of prefix and suffix attributes, custom texts, such as units, may be positioned before or after the input section.

Syntax:

<p-inputNumber
    placeholder="..."
    prefix="..."
    suffix="...">
</p-inputNumber>

Angular PrimeNG Form InputNumber Prefix and Suffix Component Properties:

• placeholder: It is used to set the advisory information to display on input. It is of string data type, the default value is null.
• prefix: It is used to set the text to display before the value. It is of string data type, the default value is null.
• suffix: It is used to set the text to display after the value. It is of string data type, the default value is decimal.

Creating Angular application & module installation:

Step 1: Create an Angular application using the following command.

ng new appname

Step 2: After creating your project folder i.e. appname, move to it using the following command.

cd appname

Step 3: Install PrimeNG in your given directory.

npm install primeng --save
npm install primeicons --save

Project Structure: The following project structure will appear after successful installation:

• Run the below command to see the output:

ng serve --save

Example 1: In the below code, we will be seeing the demonstration of the Angular PrimeNG Form InputNumber Prefix and Suffix Component using prefix=”$”

• app.component.html:

HTML

<h1 style="color: green">GeeksforGeeks</h1>
<h5>
    Angular PrimeNG Form InputNumber
    Prefix and Suffix Component
</h5>
<p-inputNumber placeholder="Input any number"
               prefix="$">
</p-inputNumber>

• app.component.ts:

Javascript

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

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})
export class AppComponent { }

• app.module.ts:

Javascript

import { NgModule } from '@angular/core';
import { BrowserModule }
    from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { BrowserAnimationsModule }
    from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import { InputNumberModule }
    from 'primeng/inputnumber';

@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        InputNumberModule,
        FormsModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }

Output:

Example 2: Below is another code example that demonstrates the Angular PrimeNG Form InputNumber Prefix and Suffix Component using suffix=” kg”

• app.component.html:

HTML

<h1 style="color: green">GeeksforGeeks</h1>
<h5>
    Angular PrimeNG Form InputNumber
    Prefix and Suffix Component
</h5>
<p-inputNumber placeholder="Input any number"
               suffix=" kg">
</p-inputNumber>

• app.component.ts:

Javascript

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

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})
export class AppComponent { }

• app.module.ts:

Javascript

import { NgModule } from '@angular/core';
import { BrowserModule }
    from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { BrowserAnimationsModule }
    from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import { InputNumberModule }
    from 'primeng/inputnumber';

@NgModule({
    imports: [
        BrowserModule,
        BrowserAnimationsModule,
        InputNumberModule,
        FormsModule
    ],
    declarations: [AppComponent],
    bootstrap: [AppComponent]
})
export class AppModule { }

Output:

Reference: https://primefaces.org/primeng/inputnumber