---
title: "ResizeObserverSize | 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 ResizeObserverSize

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

#### Type Declaration

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