Hands-On n8n Code Node JavaScript Tutorial
Interactive tutorial workflow teaching n8n's Code node from basics like item processing to advanced API calls, data aggregation, and CSV export.
This workflow serves as a comprehensive hands-on tutorial for mastering the Code node in n8n using JavaScript. It starts with sample user data and progresses through four Code nodes: first calculating full names and ages for each item; second enriching data via an external API (genderize.io) using this.helpers.httpRequest; third aggregating all items to compute average age; and fourth generating a binary CSV file with Buffer.
Benefits include deep understanding of Code node modes ('Run Once for
- Platform
- n8n
- Category
- E-commerce
- Price
- $9.99
- Creator
- Bruno Lindberg
- n8n
- tutorial
- code node
- javascript
- education
- data processing
- api integration
- csv export
- learning
How to import this workflow into n8n
- 1Purchase or download the workflow to get the n8n workflow JSON file.
- 2In your n8n instance, open Workflows and choose "Import from File" (or paste the JSON with Ctrl+V on the canvas).
- 3Open each node marked with a credential warning and connect your own accounts and API keys.
- 4Run the workflow once manually to verify the data flow, then toggle it to Active.
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