JSFiddle - React, Tailwind, and code Playground

HTML

<select id="langsel" name="selector">
        <option value="">Select a language</option>
</select>

JavaScript

$(function() {

    var languages = {
      'AFRIKAANS' : 'af',
      'ALBANIAN' : 'sq',
      'AMHARIC' : 'am',
      'ARABIC' : 'ar',
      'ARMENIAN' : 'hy',
      'AZERBAIJANI' : 'az'
    }

    var sel = $('#langsel');

    $.each(languages, function(key, value) { 
        sel.append('<option value="'+value+'">'+key+'</option>');
    });

});