Learn SEMANTIC-UI with Real Code Examples
Updated Nov 23, 2025
Installation Setup
Install via npm: `npm install semantic-ui`
Or use CDN: `<link rel='stylesheet' href='https://cdn.jsdelivr.net/npm/semantic-ui/dist/semantic.min.css'>`
Include JS via CDN or npm for behaviors
Optional: customize theme via `semantic.json` or LESS/SASS
Integrate with build tools like Gulp, Webpack, or Parcel
Environment Setup
Install Node.js & npm
Install Semantic UI via npm or CDN
Setup Gulp or build process if customizing
Include JS behaviors for interactive components
Start coding semantic, responsive UI
Config Files
semantic.json - build config and theme variables
index.html - markup
src/ - custom overrides
dist/ - compiled CSS/JS
package.json - npm dependencies
Cli Commands
npm install semantic-ui
gulp build - compile CSS/JS
gulp watch - development mode
gulp install - setup theme
Optional: npm start for dev server
Internationalization
Framework is language-agnostic
Form messages can be customized per locale
RTL support via CSS overrides
JS behaviors are locale-independent
Typography adaptable for multiple languages
Accessibility
ARIA roles supported
Keyboard navigation for interactive components
Semantic HTML encourages screen reader support
Focus management in modals and dropdowns
Accessible form validation and feedback
Ui Styling
Prebuilt components: buttons, menus, modals
Responsive grid system
Customizable themes via variables
Typography, icons, and UI elements
Accessible and readable HTML structure
State Management
No built-in state system
JS behaviors manage basic component states
Reactive frameworks manage app-level state
Class toggles via JS for dropdowns/modals
Accessible focus and ARIA attributes supported
Data Management
Handled via framework or JS logic
Forms integrated with validation behaviors
Dynamic components via JS plugin API
No direct data-binding included
Integrates with frontend frameworks for data