Detecting the language of a browser

In my Angular2 application, I am looking to identify the browser language and use that information to send a request to the backend REST API with localization settings and variable IDs that require translation. Once the request is processed, I will receive a response containing the translated variables.

The workflow of the app involves detecting the browser language, for example en-US, and then sending a request to the backend for the English (US) language localization of variables with IDs 1, 2, 3, 4, and 5. The response would include translations such as 

{{id:1, var:pay}, {id:1, var:title}}
.

My question is, how can I implement browser language detection in Angular2 (using TypeScript)?

angulartypescripttranslatelanguage-detection

Answer №1

let userLangCode = navigator.language || navigator.userLanguage;

2022 Update

It appears that userLanguage has been deprecated (at least in newer versions of JavaScript).

According to documentation, simply use navigator.language instead.

MDN Documentation

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