---
title: "typeOf | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Function typeOf

-   typeOf(value: [Value](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.Value/)): [Type](https://docs.maptiler.com/sdk-js/api-reference/types/Type/)[](#typeof)
    
    #### Parameters
    
    -   value: [Value](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.Value/)
    
    #### Returns [Type](https://docs.maptiler.com/sdk-js/api-reference/types/Type/)