JSFiddle - React, Tailwind, and code Playground

HTML

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

JavaScript

var languages = [
  'AFRIKAANS : af',
  'ALBANIAN : sq',
  'AMHARIC : am',

]
    
$.each(languages,function(index,elem){
    $("#langsel").append(
    
    $("<option/>").val(elem.split(':')[1]).text(elem.split(':')[0])
    
    );
});