Playground · Programming
A real Node.js 20 sandbox in sixty seconds.
Node.js 20 with npm. Spin up an Express server, hit it with curl, add a route.
Open the Node.js 20 sandbox No account, no card, no install. Sixty minutes, extendable.
Playgrounds / Node.js 20npm · Express-ready60 min · extendable
What you can try
- Start an Express server
- Add a JSON route and curl it
- Read a file with streams
- Install and use a package
No guided steps in a playground — it's yours to explore. When you want tasks and a verifier, the related labs below are the next step.
✓ sandbox allocated 0.4 s
✓ environment started
✓ terminal ready 38 s
You clicked Start. Sixty seconds later you're typing into something real.
Related labs
When you want tasks and a verifier.
The same Node.js 20 environment, with a sequence of checked tasks and a certificate at the end. All courses →
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