Learn JQUERY with Real Code Examples
Updated Nov 23, 2025
Installation Setup
Include via CDN: `<script src='https://code.jquery.com/jquery-3.7.1.min.js'></script>`
Or use npm: `npm install jquery`
Works in plain HTML/JS environments
No build tools required
Optional integration with bundlers
Environment Setup
Include jQuery via CDN
Or install with npm
Use any editor (VSCode recommended)
Optional local dev server
Ensure script loaded before use
Config Files
index.html - includes jQuery
main.js - your scripts
plugins/*.js - third-party plugins
package.json (if using npm)
vite/webpack config (optional)
Cli Commands
No official CLI
Use CDN for zero-setup
`npm install jquery` for bundling
`npx serve` to test locally
`npm test` for running tests
Internationalization
Custom text dictionaries
Manual DOM replacement
Plugins for date pickers & formatting
jQuery Globalize plugin
Support via JSON locale files
Accessibility
Requires manual ARIA attributes
Control animations for reduced motion
Focus management for modals
Semantic HTML encouraged
Plugins may vary in A11y quality
Ui Styling
jQuery UI themes
CSS frameworks
Dynamic classes via `.addClass()`
Style manipulation via `.css()`
Custom animations
State Management
No built-in state system
Store data in DOM or variables
Use custom objects
Utilize data-* attributes
Event-driven updates
Data Management
Built-in AJAX helpers
JSON parsing & caching
Form serialization
Deferreds for async logic
Integration with REST APIs