Playgrounds

Code and run your own experiments! Feel free to try things around and build something new!

Playgrounds enable you to have a real development experience minus the development setup. Use them while watching a video tutorial, or building a prototype for fun.

Vanilla HTML/CSS/JS playground
HTML/CSS
React 16 playground
React
Node.js 14 playground
Node.js
Python 3 playground
Python
Kotlin playground
Kotlin
Swift playground
Swift