These packages just set a variable (greeting) that is then displayed: Default language Change to another language for language $('#defaultLang').val($.localise.defaultLanguage); $('#changeLocale').change(function() { var newLang = $(this).val(); $.localise('js/greeting', {language: newLang, loadBase: true}); $('#greeting').val(greeting); $('#languages').val(newLang); }). val($.localise.defaultLang