JSFiddle - React, Tailwind, and code Playground

HTML

<div class="id_100">
  <select>
    <option value="val1">Val 1</option>
    <option value="val2">Val 2</option>
    <option value="val3">Val 3</option>
  </select>
</div>

JavaScript

$(function() {
    //$('.id_100') ..??
});