Templates / 🧑‍🎓 Test Your JSON Skills with Interactive Challenges and Instant Feedback

🧑‍🎓 Test Your JSON Skills with Interactive Challenges and Instant Feedback

Ready for 3.0

by Lucas Peyrin ✓ · 6,529 views · created 2025-07-21 · Miscellaneous

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This workflow has 32 nodes and runs manually, when you click “Execute workflow”. It uses only n8n's built-in nodes.

How it runs

Trigger: Manually, when you click “Execute workflow”.

  1. Test - String (Edit Fields (Set)): sets or maps fields
  2. Check - String (If): checks a condition and branches into true / false
  3. Error - String (Stop and Error): stops the run with an error
  4. Test - Number (Edit Fields (Set)): sets or maps fields
  5. Check - Number (If): checks a condition and branches into true / false
  6. Error - Number (Stop and Error): stops the run with an error
  7. Test - Boolean (Edit Fields (Set)): sets or maps fields
  8. Check - Boolean (If): checks a condition and branches into true / false
  9. Error - Boolean (Stop and Error): stops the run with an error
  10. Test - Null (Edit Fields (Set)): sets or maps fields

…plus 15 more steps. See the full node list below.

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (6)

From the author

How it works This template is a hands-on, practical exam designed to test your understanding of the fundamental JSON data types. It's the perfect way to solidify your knowledge after learning the basics. Think of it as the "driver's test" that comes after the…

Excerpt from Lucas Peyrin's description on n8n.io.

View the original on n8n.io → Check your own copy

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