ba-n8n-js-code

To write JavaScript in n8n Code nodes, select Run Once for All Items, access data using $input.all(), transform it with a map, and return the result in the format [{json: {...}}].

The correct return format for n8n Code nodes is an array of objects structured as [{json: {...}}]. Using this consistent format prevents workflow errors during data transformation.

Access webhook data in n8n Code nodes by referencing the payload under the .body property. Use data access patterns like $input.all or $input.first to handle the incoming request safely.

Yes, you can use Luxon DateTime in n8n Code nodes. The environment provides DateTime as a built-in, allowing you to format dates and perform time manipulations within your JavaScript workflow logic.

Yes, n8n Code nodes support making HTTP requests using the built-in $helpers.httpRequest method. This allows you to execute API calls and handle data interactions directly in your custom JavaScript logic.

All Items mode processes the entire input array at once using $input.all, while Each Item mode processes individual items sequentially using $input.item for targeted data transformation.