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Getting started with Angular Button group component

11 Feb 20269 minutes to read

This guide demonstrates how to create a simple ButtonGroup and demonstrates the basic usage of the ButtonGroup component in an Angular environment.

Note: This guide supports Angular 21 and other recent Angular versions. For detailed compatibility with other Angular versions, please refer to the Angular version support matrix. Starting from Angular 19, standalone components are the default, and this guide reflects that architecture.

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Prerequisites

Ensure your development environment meets the System Requirements for Syncfusion^® Angular UI Components.

Dependencies

The following dependency is required to use the ButtonGroup component in your application.

|-- @syncfusion/ej2-angular-splitbuttons
  |-- @syncfusion/ej2-angular-base
  |-- @syncfusion/ej2-splitbuttons
    |-- @syncfusion/ej2-base
    |-- @syncfusion/ej2-popups
    |-- @syncfusion/ej2-buttons

SetUp the Angular application

A straightforward approach to beginning with Angular is to create a new application using the Angular CLI. Install Angular CLI globally with the following command:

npm install -g @angular/cli

Angular 21 Standalone Architecture: Standalone components are the default in Angular 21. This guide uses the modern standalone architecture. If you need more information about the standalone architecture, refer to the Standalone Guide.

Installing a specific version

To install a particular version of Angular CLI, use:

npm install -g @angular/[email protected]

Create a new application

With Angular CLI installed, execute this command to generate a new application:

ng new syncfusion-angular-app

This command will prompt you to configure settings like enabling Angular routing and choosing a stylesheet format.

? Which stylesheet format would you like to use? (Use arrow keys)
> CSS             [ https://developer.mozilla.org/docs/Web/CSS                     ]
  Sass (SCSS)     [ https://sass-lang.com/documentation/syntax#scss                ]
  Sass (Indented) [ https://sass-lang.com/documentation/syntax#the-indented-syntax ]
  Less            [ http://lesscss.org                                             ]

By default, a CSS-based application is created. Use SCSS if required:

ng new syncfusion-angular-app --style=scss

During project setup, when prompted for the Server-side rendering (SSR) option, choose the appropriate configuration.

Initial_setup

Select the required AI tool or ‘none’ if you do not need any AI tool.

Initial_setup

Navigate to your newly created application directory:

cd syncfusion-angular-app

Note: In Angular 19 and below, it uses app.component.ts, app.component.html, app.component.css etc. In Angular 20+, the CLI generates a simpler structure with src/app/app.ts, app.html, and app.css (no .component. suffixes).

Adding Syncfusion^® Angular packages

Syncfusion^®’s Angular component packages are available on npmjs.com. To use Syncfusion^® Angular components, install the necessary package.

This guide uses the Angular ButtonGroup Component for demonstration. Add the Angular ButtonGroup component with:

ng add @syncfusion/ej2-angular-buttons

This command will perform the following configurations:

Add the @syncfusion/ej2-angular-buttons package and peer dependencies to your package.json.
Import the ButtonGroup component in your application.
Register the default Syncfusion^® Material theme in angular.json.

For more details on version compatibility, refer to the Version Compatibility section.

Syncfusion^® offers two package structures for Angular components:

Ivy library distribution package format
Angular compatibility compiler (ngcc), which is Angular’s legacy compilation pipeline.
Syncfusion^®’s latest Angular packages are provided as Ivy-compatible and suited for Angular 12 and above. To install the package, execute:
```
ng add @syncfusion/ej2-angular-buttons
```
For applications not compiled with Ivy, use the ngcc tagged packages:
The ngcc packages are still compatible with Angular CLI versions 15 and below. However, they may generate warnings suggesting the use of IVY compiled packages. Starting from Angular 16, support for the ngcc package has been completely removed. If you have further questions regarding ngcc compatibility, please refer to the following FAQ.
```
npm add @syncfusion/[email protected]
```

Import Syncfusion^® CSS styles

Syncfusion^® Angular component themes can be added in various ways: via CSS or SCSS styles from npm packages, CDN, CRG, or Theme Studio.

The Material theme is added to your styles.css when you run ng add (this happens automatically by default).

To stylize only specific Syncfusion^® components, import the necessary styles. For example, to style only the ButtonGroup component:

@import '../node_modules/@syncfusion/ej2-base/styles/material.css';
@import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
@import '../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css';

Ensure that the import order aligns with the component’s dependency sequence.

For using SCSS styles, refer to this guide.

Adding Syncfusion^® ButtonGroup component

Use the following snippet in the src/app/app.ts file to import the ButtonGroup component.

import { ButtonModule } from '@syncfusion/ej2-angular-buttons';
import { Component } from '@angular/core';

@Component({
  imports: [ButtonModule],
  standalone: true,
  selector: 'app-root',
  template: `<div class="e-section-control">
    <!-- To render ButtonGroup. -->
      <div class='e-btn-group'>
        <button ejs-button>HTML</button>
        <button ejs-button>CSS</button>
        <button ejs-button>JavaScript</button>
      </div>
    </div>`
})

export class AppComponent { }

To render buttons in the ButtonGroup component, import ButtonModule into your Angular application (either in a standalone component’s imports array or in an NgModule) from the package @syncfusion/ej2-angular-buttons, and include the component styles in styles.css.

Adding CSS reference

Add the ButtonGroup component styles in styles.css as shown below.

@import '../node_modules/@syncfusion/ej2-base/styles/material.css';
@import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
@import '../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css';

Running the application

Run the application in the browser using the following command:

ng serve

The following example shows a basic ButtonGroup component.

app.component.ts
main.ts
import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ButtonModule } from '@syncfusion/ej2-angular-buttons'
import { enableRipple } from '@syncfusion/ej2-base'



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

@Component({
imports: [
        
        ButtonModule
    ],


standalone: true,
    selector: 'app-root',
    template: `<div class="e-section-control">
                <!-- To render ButtonGroup. -->
                  <div class='e-btn-group'>
                    <button ejs-button>HTML</button>
                    <button ejs-button>CSS</button>
                    <button ejs-button>Javascript</button>
                  </div>
                </div>`
})

export class AppComponent { }
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));

Orientation

ButtonGroup can be arranged in either vertical or horizontal orientation. By default, it is horizontal.

Vertical Orientation

Apply the built-in e-vertical class to the target element to align the ButtonGroup vertically.

The following example illustrates how to achieve vertical orientation in ButtonGroup.

app.component.ts
main.ts
import { NgModule } from '@angular/core'
import { BrowserModule } from '@angular/platform-browser'
import { ButtonModule } from '@syncfusion/ej2-angular-buttons'
import { enableRipple } from '@syncfusion/ej2-base'



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

@Component({
imports: [
        
        ButtonModule
    ],


standalone: true,
    selector: 'app-root',
    template: `<div class="e-section-control">
                <!-- To render ButtonGroup. -->
                <div class='e-btn-group e-vertical'>
                    <button ejs-button>HTML</button>
                    <button ejs-button>CSS</button>
                    <button ejs-button>Javascript</button>
                </div>
              </div>`
})

export class AppComponent { }
import { bootstrapApplication } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import 'zone.js';
bootstrapApplication(AppComponent).catch((err) => console.error(err));

ButtonGroup does not support nesting the SplitButton component in a vertical orientation.

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How can I help you?

Getting started with Angular Button group component

Prerequisites

Dependencies

SetUp the Angular application

Installing a specific version

Create a new application

Adding Syncfusion^® Angular packages

Import Syncfusion^® CSS styles

Adding Syncfusion^® ButtonGroup component

Adding CSS reference

Running the application

Orientation

Vertical Orientation

How can I help you?

Getting started with Angular Button group component

Prerequisites

Dependencies

SetUp the Angular application

Installing a specific version

Create a new application

Adding Syncfusion® Angular packages

Import Syncfusion® CSS styles

Adding Syncfusion® ButtonGroup component

Adding CSS reference

Running the application

Orientation

Vertical Orientation

Adding Syncfusion^® Angular packages

Import Syncfusion^® CSS styles

Adding Syncfusion^® ButtonGroup component