---
title: "HTMLUnknownElement | 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.

# Variable HTMLUnknownElement

HTMLUnknownElement: {  
    prototype: [HTMLUnknownElement](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.HTMLUnknownElement/);  
    new (): [HTMLUnknownElement](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.HTMLUnknownElement/);  
}

#### Type Declaration

-   -   new (): [HTMLUnknownElement](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.HTMLUnknownElement/)
    -   #### Returns [HTMLUnknownElement](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.HTMLUnknownElement/)
        
-   ##### prototype: [HTMLUnknownElement](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.HTMLUnknownElement/)