Angular PrimeNG Form InputNumber Step 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 Step 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. The default step factor is 1 & it can be customized with the help of the step option.

Syntax:

<p-inputNumber
    placeholder="..."
    [step]="...">
</p-inputNumber>

Angular PrimeNG Form InputNumber Step Component Properties:

• step: It is used to set the step factor to increment/decrement the value. It is of number data type, the default value is 1.
• placeholder: It is used to set the advisory information to display on input. It is of string data type, the default value is null.

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:

• To run the above file run the below command:

ng serve --save

Example 1: In the below code, we will be seeing the demonstration of the Angular PrimeNG Form InputNumber Step Component.

• app.component.html:

HTML

<h1 style="color: green">GeeksforGeeks</h1>
<h5>
    Angular PrimeNG Form InputNumber
    Step Component
</h5>

<p-inputNumber placeholder="Input any number"
               [step]="0.5">
</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 Step Component.

• app.component.html:

HTML

<h1 style="color: green">GeeksforGeeks</h1>
<h5>
    Angular PrimeNG Form InputNumber
    Step Component
</h5>

<p-inputNumber placeholder="Input any number"
               [step]="1">
</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