N8N Code Javascript

What it does

This skill allows you to execute JavaScript code within an n8n workflow. It provides a way to dynamically manipulate data, perform complex calculations, or interact with APIs that are not directly supported by n8n's built-in nodes. The resulting output from the executed JavaScript is then available for use in subsequent workflow steps.

When to use it

• Data Transformation: Modify and reshape data received from external sources before sending it to another application or service.
• API Interaction: Call APIs that require custom authentication or complex request formatting not easily handled by standard nodes.
• Complex Logic: Implement intricate business rules or calculations that are difficult to express using n8n's visual workflow editor.
• Dynamic Content Generation: Generate content, such as email subject lines or social media posts, based on data received from previous workflow steps.

Key capabilities

• Execute JavaScript code snippets.
• Access and modify input data within the script.
• Return output data to be used in subsequent workflow nodes.

Example prompts

• "Write a Javascript function that calculates the shipping cost based on order total and destination."
• "Use this JSON data and extract the 'product_name' field using JavaScript."
• "Format this date string into YYYY-MM-DD format using JavaScript."

Tips & gotchas

• Requires a basic understanding of JavaScript syntax. Errors in your code will prevent the workflow from executing correctly.