Documentation reference

Everything you need to build confidently with FG UI.

Browse FG UI component contracts, JavaScript APIs, accessibility guidance, browser support, design tokens, icons, versioning and implementation guidance from one place.

Built with FG UI itself.

This page is built entirely with FG UI using the same components, layout primitives, icons and interactions available in the kit. No Bootstrap, Tailwind or external UI framework is required.

Reference library

Go straight to the guidance you need.

The reference library reflects the public contracts and guidance in FG UI 1.1.0 Stable.

Component reference

Search all 393 Basic and Combined component families, including root classes, runtime profiles, hooks, modifiers and accessibility attributes.

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JavaScript API

FGUI.init(), overlays, toasts, icons, configuration, localisation and runtime hooks.

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Icon usage

Correct SVG markup, JavaScript usage and accessibility guidance.

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Design tokens

How to use FG UI semantic tokens and customise the system safely.

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Accessibility

Keyboard, focus, ARIA, reduced-motion, forced-colours and release checks.

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Browser support

Supported modern browsers, platform features, fallbacks and release matrix.

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