Online Code Playground For HTML, CSS And JavaScript
Write, test, and debug HTML, CSS, and JavaScript code in real-time with our online code playground. Perfect for learning, prototyping, and experimenting with web technologies.
Developer playground
Build HTML, CSS & JS in one sandbox
Combined editor
Write HTML, CSS and JS in one file.
Live Preview
Sandboxed iframe with allow-scripts
What Is Code Playground?
Code Playground is a browser-based online editor that lets you write HTML, CSS, and JavaScript code with instant live preview. It's perfect for testing code snippets, learning web development, or quickly prototyping ideas.
How To Use This Code Playground
- Write HTML code in the HTML panel
- Add CSS styles in the CSS panel
- Write JavaScript in the JS panel
- See your changes live in the preview pane
- Use console output for debugging
- Save or export your code
Key Features
- Separate editors for HTML, CSS, and JavaScript
- Live preview with auto-refresh
- Syntax highlighting and code formatting
- Console output for debugging
- Responsive preview
- Code validation
- No setup or installation required
Who Can Use This Tool?
- Web developers testing code snippets
- Students learning HTML, CSS, and JavaScript
- Teachers demonstrating web concepts
- Designers prototyping UI components
- Developers debugging frontend issues
Common Use Cases
- Learning and practicing web development
- Testing CSS animations and effects
- Prototyping UI components quickly
- Debugging JavaScript code
- Sharing code examples with others
- Experimenting with new APIs
- Creating quick demos
Frequently Asked Questions
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