n8n-code-javascript - Write JavaScript for n8n Code Nodes
Guides JavaScript development in n8n Code nodes, including data access, execution modes, HTTP requests, dates, and error troubleshooting.
Tags
Updated: 2026-10-01Capabilities
Typical Inputs
Typical Outputs
What this skill does
- Write JavaScript code
- Choose Code node modes
- Access workflow data
- Transform input items
- Make HTTP requests
- Handle DateTime values
- Troubleshoot Code node errors
Inputs
- Workflow input items
- Referenced node data
- Webhook request data
- HTTP request requirements
- Code node processing requirements
Outputs
- n8n Code node JavaScript
- Transformed workflow items
- HTTP response data
Requirements
- n8n Code node environment
- JavaScript execution support
- Available n8n built-ins