JSFiddle - React, Tailwind, and code Playground

HTML

<select name="addType" id="combo">
    <option value="book">Booking</option>
    <option value="author">Author</option>
    <option value ="publisher">Publisher</option>
    <option value="customer">Customer</option>
</select>
<div>Response: <span id="selection"></span></div>

JavaScript

$("#combo").change(function() {
    $.ajax({
        url: "/echo/html/",
        type: "POST",
        data: {"html":"Yeah: "+$(this).val()+" is cool!"},
        success: function(data) {
            $("#selection").html(data);
        }
    });
});