JavaScript Playground

Write, edit, and run JavaScript code right in your browser. Instantly preview your code output in a secure sandbox. Perfect for learning, prototyping, and experimenting!

JavaScript Online Compiler
Output will appear here...

About JavaScript Playground

The JavaScript Playground is a modern, browser-based coding environment that lets you write, edit, and run JavaScript code instantly. It features a professional code editor with autocomplete, syntax highlighting, and theme support, plus a real-time console output area for easy debugging and learning.

🛠 Key Features

  • Autocomplete and IntelliSense for JavaScript
  • Syntax highlighting and code formatting
  • Console output with error highlighting
  • Theme support (dark/light mode)
  • Resizable, fullscreen editor and console
  • Safe, sandboxed code execution
  • Supports alert(), console.log(), and more

🚀 Use Cases

  • Learning and experimenting with JavaScript
  • Testing code snippets and algorithms
  • Debugging and prototyping ideas
  • Teaching and demonstrations

🔒 Privacy & Security

All code runs locally in your browser in a secure sandbox. Your code and output are never sent to any server, ensuring complete privacy.