JSFiddle - React, Tailwind, and code Playground

HTML

<select id="dropdown" style="width:200px;">
              <option value="feedback" name="aft_qst">After Quest</option>
              <option value="feedback" name="aft_exm">After Exam</option>
              </select>

JavaScript

$(document).ready(function() {
          $("#dropdown").prop("disabled", true);
});