JavaScript for detecting browser language preference [duplicate]

Answer 1

var language = navigator.languages && navigator.languages[0] || // Chrome / Firefox
               navigator.language ||   // All browsers
               navigator.userLanguage; // IE <= 10

console.log(language);

• https://developer.mozilla.org/en-US/docs/Web/API/NavigatorLanguage/languages
• https://developer.mozilla.org/en-US/docs/Web/API/NavigatorLanguage/language

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