---
title: "index of · RUAL Documentation"
description: "Get the index of the given value, -1 if not found."
canonical: https://docs.rual.nl/block-types/array/array_index_of
language: en
---

# index of

This block is part of the [`array`](https://docs.rual.nl/block-types/array) group and was last modified in core [`v13.0.8`](https://docs.rual.nl/core-versions/130008).

Get the index of the given value, -1 if not found.

- array required `array`

- index `number`

### Core Releases