i18n.detectLanguage()

Detects the language of the provided text using the Compact Language Detector (CLD).

This is an asynchronous function that returns a Promise.

var detectingLanguages = browser.i18n.detectLanguage(
  text                  // string
)

text

string. User input string to be translated.

A Promise that will be fulfilled with a result object. The result object has two properties:

isReliable

boolean. Whether the language was detected reliably.

languages

array of objects, each of which has two properties:

language

i18n.LanguageCode. The detected language.

percentage

integer. The percentage of the input string that was in the detected language.

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

function onLanguageDetected(langInfo) {
  for (lang of  langInfo.languages) {
    console.log("Language is: " + lang.language);
    console.log("Percentage is: " + lang.percentage);
  }
}

var text = "L'homme est né libre, et partout il est dans les fers."

var detecting = browser.i18n.detectLanguage(text);
detecting.then(onLanguageDetected);