JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7/jquery.js"></script> 
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.form/3.51/jquery.form.min.js"></script> 

<body>
    <form id="SubmitForm" method="POST">
        <input type="button" id="submitButton" value="submit"/>
    </form>     
    <div id="output">
        test
    </div>
</body>

JavaScript

function afterSuccess(text)
{  
    $('#output').prepend(text)
    $('#submitButton').prop('disabled', false);
}

$(document).ready(function()
{
    $('#submitButton').click(function(e)
    {
        $('#submitButton').prop('disabled', true);
        $('#SubmitForm').ajaxSubmit({
            data: {
                html: "<p>Text echoed back to request</p>",
                delay: 1
            },
            success:  afterSuccess,
            url: '/echo/html/'
        });
    });
});