Generate & Split Sample Data with JS/Python Code Nodes

This minimal workflow demonstrates generating sample data records using n8n's Code node in both JavaScript and Python implementations. It creates an array of 20 records with fields like index, num, and test, stores it in item.json.barr, and uses the Split Out node to fan out the array into one item per record. This setup is ideal for testing downstream nodes, mappings, pagination, or list-based logic without relying on real data sources.

Perfect for developers, educators, and builders needing mock data to prototype automations. It saves time by providing a clean scaffold for loops and data processing, allowing quick iteration on complex workflows. Use the JS or Python branch interchangeably based on preference—no external setup or credentials required.

Customization is straightforward: adjust the loop range for more/fewer rows, add fields like name or price, incorporate randomization, or pipe output into Set, Function, or other nodes. Import, execute, and extend for your testing needs in any n8n environment.