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#https://www.notion.so/n8n/Frontmatter-432c2b8dff1f43d4b1c8d20075510fe4
title: Data transformation functions for arrays
description: A reference document listing built-in convenience functions to support data transformation in expressions for arrays.
contentType: reference
---
# Arrays
A reference document listing built-in convenience functions to support data transformation in [expressions](/glossary.md#expression-n8n) for arrays.
/// note | JavaScript in expressions
You can use any JavaScript in expressions. Refer to [Expressions](/code/expressions.md) for more information.
///
[[% import "_macros/data-functions.html" as dataFunctions %]]
[[% for func in df_array %]]
[[ dataFunctions.dataFunctions("array", func.funcName, func.returns, func.description, func.args, func.examples ) ]]
[[% endfor %]]
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