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The JavaScript Floating Action Button (JavaScript FAB) is an extension of the JavaScript Button that appears in front of all contents of a screen and performs a primary action. It supports several built-in features, such as icons, predefined styles, different button sizes, and UI customization.

JavaScript Floating Action Button with Grid Component


The JavaScript Floating Action Button can be positioned on the page or a specific target.

JavaScript FAB positioning

JavaScript FAB with different predefined styles

Predefined styles

Several predefined styles are available in the JavaScript Floating Action Button:

  • Primary
  • Secondary
  • Outline
  • Info
  • Success
  • Warning
  • Danger

You can use any of these styles based on the context of your application.

Icon with text button

In JavaScript FAB, use a button with an icon to the right or left of button text or choose an icon-only button.

JavaScript FAB icon with text button

Built-in themes

The JavaScript Floating Action Button supports several built-in themes such as Tailwind CSS, Bootstrap 5, Bootstrap 4, Bootstrap, Material, Fabric, Fluent, and high contrast. Users can customize these built-in themes or create new ones to achieve their desired look and feel by simply overriding SASS variables or using our Theme Studio application.

Web accessibility

  • Fully supports WAI-ARIA accessibility practices to work with screen readers and assistive devices.
  • Follows WAI-ARIA best practices for implementing keyboard interaction.
  • Adheres to WCAG 2.0 standards in the design of UI visual elements such as foreground color, background color, line spacing, text, and images.
  • Supports right-to-left (RTL) text direction for users working with RTL languages like Hebrew, Arabic, or Persian.

Developer-friendly APIs

The JavaScript Floating Action Button (FAB) control offers a range of APIs that allows developers to customize its appearance and behavior. With these APIs, developers can create a unique and highly personalized FAB that fits seamlessly into their applications.

JavaScript Floating Action Button Code Example

Easily get started with the JavaScript Floating Action Button using a few simple lines of HTML and TS code, as demonstrated below. Also explore our JavaScript Floating Action Button Example that shows you how to render and configure the FAB in JavaScript.

    <button id='fab'></button>
import { Fab } from '@syncfusion/ej2-buttons';

// Initialize the Floating Action Button component.
let fab: Fab = new Fab({ content: 'Add' });

// Render initialized Floating Action Button.

Other supported frameworks

The Floating Action Button control is also available in Blazor, Angular, React, and Vue frameworks. Check out the control on other platforms using these links:


Frequently Asked Questions

  • Provides a floating button that appears over all the contents of a webpage to perform the primary screen action.
  • Place the FAB in predefined positions.
  • Includes primary, success, warning, info, and danger button styles.
  • Use one of the best JavaScript Floating Action Buttons on the market, offering a feature-rich UI.
  • Enjoy simple configuration and API.
  • Supports all modern browsers.
  • Expansive learning resources such as demos and documentation to let you get started quickly with JavaScript Floating Action Button.

You can find our JavaScript Floating Action Button demo, which demonstrates how to render and configure the Floating Action Button.

No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

A good place to start would be our comprehensive getting started documentation.

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