Code Playground

// Welcome to codemirr Playground!
// Write JavaScript and see it run instantly.

function greet(name) {
  return `Hello, ${name}! Welcome to codemirr.`;
}

console.log(greet("World"));

// Try: arrays, loops, functions
const numbers = [1, 2, 3, 4, 5];
const doubled = numbers.map(n => n * 2);
console.log("Doubled:", doubled);

// Display in the preview
document.getElementById("app").innerHTML = `
  <h1>${greet("Developer")}</h1>
  <p>Doubled numbers: ${doubled.join(", ")}</p>
`;