JavaScript Playground

Interactive JavaScript shell running directly in your browser. Test code, experiment with features, and see results instantly.

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About JavaScript Playground

This interactive JavaScript playground provides a REPL (Read-Eval-Print Loop) environment running in your browser. Perfect for testing code snippets, learning JavaScript features, and quick experimentation.

Features

• Instant Execution: Run JavaScript code immediately
• Console Output: See console.log() and other console methods
• Expression Evaluation: Type expressions to see their values
• Interactive Shell: Classic REPL interface with history
• Command History: Navigate history with Up/Down arrows
• Error Display: Clear error messages with stack traces

Keyboard Shortcuts

• Enter: Execute code
• Shift + Enter: New line (multiline input)
• Ctrl/Cmd + L: Clear shell
• Up/Down Arrows: Navigate command history
• Tab: Indent (2 spaces)

Available Features

• All ES6+ JavaScript features (let, const, arrow functions, etc.)
• Array methods (map, filter, reduce, forEach, etc.)
• Object destructuring and spread operators
• Template literals and string methods
• Async/await and Promises
• Classes and inheritance
• Regular expressions
• JSON operations

Tips

• Use console.log() to print values
• Type expressions directly to see their results (e.g., 2 + 2)
• Variables persist across commands in the same session
• Use console.clear() or Ctrl+L to clear the output

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