---
title: "areSameLanguages | 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 areSameLanguages

-   areSameLanguages(  
        langA: string | [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/),  
        langB: string | [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/),  
        languageDictionary?: { \[k: string\]: [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/) },  
    ): boolean[](#aresamelanguages)
    
    Tells if two languages are the same, even though possibly provided under different forms. Note: this is not comparing object references, but values.
    
    #### Parameters
    
    -   langA: string | [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/)
    -   langB: string | [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/)
    -   `Optional`languageDictionary: { \[k: string\]: [LanguageInfo](https://docs.maptiler.com/sdk-js/api-reference/types/LanguageInfo/) }
    
    #### Returns boolean