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Free Online Tool for Interactive Code Playground with Live HTML, CSS, and JavaScript Preview
Last Updated May 1, 2025
By
A Mainous
HTML
<h1>Hello, World!</h1> <p>Edit the code and press "Run"</p>
CSS
body { color: #333; font-family: sans-serif; } h1 { color: #007bff; }
JavaScript
document.querySelector('h1').onclick = function() { alert('Hello from JS!'); };
Run ▶
