JSFiddle - React, Tailwind, and code Playground
by serio
HTML
<select id='mylist'>
<option value='1'>Option A</option>
<option value='2'>Option B</option>
<option value='3'>test</option>
</select>
JavaScript
$(function(){
$('#mylist option[value=2]').attr( 'selected', 'selected' );
});