JSFiddle - React, Tailwind, and code Playground
by mowglisanu
HTML
<form method='post' class='myForm' action=''>
<select name='locationSelect' class='locationSelect' data-param='location_IDNUMBER'>
<option value='1'>Exam Room</option>
<option value='2'>Exam Room 2</option>
<option value='3'>X-Ray Room</option>
<option value='1000'>Check Out</option>
</select>
</form>
JavaScript
$e = $('form');
msg = 3;
$e.find('.locationSelect').val(msg);