---
title: "displayWebGLContextLostWarning | 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 displayWebGLContextLostWarning

-   displayWebGLContextLostWarning(map: [Map](https://docs.maptiler.com/sdk-js/api-reference/classes/Map/)): void[](#displaywebglcontextlostwarning)
    
    Display a warning message in the Map div if the WebGL context was lost
    
    #### Parameters
    
    -   map: [Map](https://docs.maptiler.com/sdk-js/api-reference/classes/Map/)
    
    #### Returns void