JSFiddle - React, Tailwind, and code Playground

HTML

<select>
  <option value="1">First</option>
  <option value="2">Second</option>
  <option value="3">Third</option>
  <option value="4">Fourth</option>
</select>

JavaScript

$(document).ready(function() {
    $("option[value=3]").attr('selected', true);
});