JavaScript Playground

JavaScript Playground 🛝

Welcome to the interactive JavaScript code editor! Test and experiment with JavaScript code right in your browser.

Interactive Code Editor

▶ Run Clear

JavaScript Code

// Try some JavaScript: const greet = (name) => Hello, ${name}!; console.log(greet(‘Developer’));

// Explore arrays: const numbers = [1, 2, 3, 4, 5]; const doubled = numbers.map(n => n * 2); console.log(‘Doubled:’, doubled);”>

<div style="flex: 1; display: flex; flex-direction: column; border-left: 1px solid #e5e7eb;">
  <div style="background: #f9fafb; padding: 0.5rem 1rem; border-bottom: 1px solid #e5e7eb; font-size: 0.875rem; font-weight: 500;">Output</div>
  <div id="output" style="flex: 1; padding: 1rem; overflow-y: auto; background: #ffffff;">
    <div style="color: #6b7280; font-style: italic;">Run your JavaScript code to see the output here...</div>
  </div>
</div>

Features

• Real-time execution: Run JavaScript code instantly in your browser
• Console output: See console.log, console.error, and other output
• Error handling: Clear error messages for debugging
• Modern JavaScript: Support for ES6+ features
• Keyboard shortcuts: Press Ctrl+Enter to run code

Example Code

Try running this example:

// JavaScript fundamentals
const userData = {
  name: 'JS Galaxy Explorer',
  level: 'Beginner',
  skills: ['variables', 'functions', 'arrays']
};

console.log('Welcome,', userData.name);
console.log('Your level:', userData.level);
console.log('Skills:', userData.skills.join(', '));

// Async example
async function fetchMotivation() {
  return new Promise(resolve => {
    setTimeout(() => {
      resolve('Keep coding! You\'re doing great! 🚀');
    }, 1000);
  });
}

fetchMotivation().then(message => {
  console.log(message);
});