JSFiddle - React, Tailwind, and code Playground

HTML

<select class="select" id="eventType" name="eventType">
    <option vlaue="0"></option>
    <option value="Wedding">Wedding</option>
    <option value="Private Party">Private Party</option>
    <option value="Corporate Event">Corporate Event</option>
 </select>
<div class="a"></div>

JavaScript

$(".txt, .select, .checkbox").each(function() {
        $(this).change(function(){
            createSummary();
        });
    });

function createSummary() {
    var eventType = $("#eventType").val();
    $(".a").html(eventType);

}