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MDN | Mang Dudi Ngaweb

HTML: Markup language

HTML REFERENCE

• Elements
• Global attributes
• Attributes
• See all…

HTML GUIDES

• Responsive images
• Video & audio content
• Date & time formats
• See all…

MARKUP LANGUAGES

• SVG
• MathML
• XML

CSS: Styling language

CSS REFERENCE

• Properties
• Selectors
• At-rules
• Values & units
• See all…

CSS GUIDES

• Box model
• Animations
• Flexbox
• Colors
• See all…

LAYOUT COOKBOOK

• Column layouts
• Centering an element
• Card component
• See all…

JavaScript: Scripting language

JS REFERENCE

• Standard built-in objects
• Expressions & operators
• Statements & declarations
• Functions
• See all…

JS GUIDES

• Control flow & error handing
• Loops and iteration
• Working with objects
• Using classes
• See all…

Web APIs: Programming interfaces

WEB API REFERENCE

• File system API
• Fetch API
• Geolocation API
• HTML DOM API
• Push API
• Service worker API
• See all…

WEB API GUIDES

• Using the Web animation API
• Using the Fetch API
• Working with the History API
• Using the Web speech API
• Using web workers

All web technology

TECHNOLOGIES

• Accessibility
• HTTP
• URI
• Web extensions
• WebAssembly
• WebDriver
• See all…

TOPICS

• Media
• Performance
• Privacy
• Security
• Progressive web apps

Learn web development

FRONTEND DEVELOPER COURSE

• Getting started
• Common questions
• Curriculum

LEARN HTML

• Introduction to HTML
• Getting started with HTML

LEARN CSS

• What is CSS
• Getting started with CSS

LEARN JAVASCRIPT

• How to use data attributes
• Add JavaScript to your web page

Discover our tools

• Playground
• HTTP Observatory

• Color picker
• Box-shadow generator
• Border-image generator
• Border-radius generator

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Resources for Developers,
by Developers

Documenting CSS, HTML, and JavaScript, since 2005.