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

$(document).on( "change", "div.id_100 select", function() {
  alert('On Change')
});

// See the differece
$("div.id_100 select").val("val2");
$("div.id_100 select").val("val3").change();