JSFiddle - React, Tailwind, and code Playground

HTML

<form id="form_id" action="/echo/html/" method="POST">
    <label for="location">Location</label>
    <input class="form_field_input" type="text" name="new_loc_loc_name" id="new_loc_loc_name" />
    <input type="button" value="Create" id="new_loc_add" />
    </td>
</form>

CSS

input, label, button {
    display: block;
}

JavaScript

$(document).ready(function (event) {
    event.preventDefault();
    $('#new_loc_add').click(function () {
        var url = $("#form_id").attr('action');

        $.post(url, $("form#form_id").serialize());
    });
});