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<div class="card"> <h1>Hello World</h1> <p>Edit the code to see the changes.</p> <button onclick="sayHello()">Click Me</button> </div>
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body { font-family: Arial, sans-serif; padding: 40px; } .card { max-width: 400px; margin: auto; padding: 30px; text-align: center; border-radius: 12px; background: #f5f5f5; } button { padding: 10px 18px; border: 0; border-radius: 6px; cursor: pointer; }
JavaScript
function sayHello() { console.log("Hello from JavaScript!"); alert("Hello from JavaScript!"); }
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