JSFiddle - React, Tailwind, and code Playground

HTML

<select name="application" id="application">
<option value="--select something--">--select something--</option>
<option value="first">first</option>
<option value="second">second</option>
<option value="third">third</option></select>

JavaScript

$('#application').change(function(){
    var selected = $.trim($(this).val());
    alert(selected);
    if(selected == 'something') {
      $('#profile-info').show();
    }
});