JSFiddle - React, Tailwind, and code Playground

HTML

<form id='theform' action='' method='post' enctype='multipart/form-data'>
    <input type='submit' value='Submit me'>
</form>
<p id='hidden' style='display: none'>I'm hidden!</p>

JavaScript

$(function() {
    $('#theform').bind('submit', function() {
        alert('here');
        $('#hidden').show();
        alert('andhere');
        $('#theform').bind('submit', function() { return false });
        return true;
    });
});