PLAYGROUND · WRITE FREELY
No exercises here.
Try as much as you like.
Nothing gets graded in here. Try out what you picked up in a lesson, break something on purpose to get used to reading errors, or just write whatever comes to mind.
.js
JavaScript
Write it, run it, follow it line by line
.ts
TypeScript
Add types and catch mistakes early
.py
Python
Plain, honest code that runs right away
.html / .css
HTML & CSS
See it in the page as you type
.sql
SQL
Build a table, then ask it questions
linux
Command line
Type into a real Linux
Your code runs on your device, and it stays there so you can pick up where you left off. Nothing is sent anywhere, so it will not show up on your other devices.