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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 control

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.

JavaScript FAB with different predefined styles

JavaScript FAB positioning


The JavaScript Floating Action Button provides built-in support to position the FAB on the page or target.

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.


  • 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 control.
let fab: Fab = new Fab({ iconCss: 'e-icons e-edit' });

// 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.

We do not sell the JavaScript Floating Action Button separately. It is only available for purchase as part of the Syncfusion team license. This contains over 1,800 components and frameworks, including the JavaScript Floating Action Button. The price of the team license starts at $395 per month for 5 developers, and includes support and updates until the subscription expires. In addition, we might offer discounts based on currently active promotions. Please contact our product specialists today to see if you qualify for any additional discounts.

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

No, our 1,800+ components and frameworks for web, mobile, and desktop, including our JavaScript Floating Action Button, are not sold individually. They are only available as part of a team license. However, we have competitively priced the product, so it only costs a little bit more than what some other vendors charge for their Floating Action Button component alone. We have also found that, in our experience, our customers usually start off using one of our products and then expand to several products quickly, so we felt it was best to offer all 1,800+ components and frameworks for a subscription fee that starts at $395 per month for a team of 5 developers. Additionally, we might be able to offer discounts based on currently active promotions. Please contact our product specialists today to see if you qualify for any additional discounts.

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, 5 or fewer developers, and 10 or fewer total employees.

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

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