JSFiddle - React, Tailwind, and code Playground

HTML

<select id="selected2">
  <option value="true">true</option>
  <option value="false">false</option>
</select>

JavaScript

$(document).ready(function(){
 var selectedValue;
 $('#selected2').change( function() {
     selectedValue = $(this).val();
     alert(selectedValue);
 });
}); 
    /*
 $("#example").dataTable({
    "responsive": false,
    "processing": selected,
    "serverSide": true,
    "ajax": "scripts/university.php",
    "columns": [
       // ID
       //null, ........
        ],
   });
   */