JSFiddle - React, Tailwind, and code Playground
HTML
<select id="selectid">
<option> option1 </option>
<option> option2 </option>
<option> option3 </option>
<option> option4 </option>
</select>
JavaScript
$('document').ready(function()
{
$("select#selectid").val("option3");
}
);