---
title: "CompareFuncType | 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.

# Type Alias CompareFuncType

CompareFuncType:  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["NEVER"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#never)\]  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["LESS"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#less)\]  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["EQUAL"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#equal)\]  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["LEQUAL"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#lequal)\]  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["GREATER"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#greater)\]  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["NOTEQUAL"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#notequal)\]  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["GEQUAL"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#gequal)\]  
    | [WebGLRenderingContextBase](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/)\[["ALWAYS"](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.WebGLRenderingContextBase/#always)\]