JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-2.2.0.min.js"></script>
<select>
    <option id="4" data-name="tomato" data-length="six">Tomato</option>
    <option id="5" data-name="onion" data-length="five">Onion</option>
</select>

JavaScript

jQuery(document).ready(function($){
  $('select option').each(function(){
    alert('name='+ $(this).data('name') +  '&length=' + $(this).data('length') );
  });

});