JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" name="prog" value="1">
<input type="checkbox" name="prog" value="2">

<input type="submit" id="submit_prog" value='Submit' />

JavaScript

$(document).ready(function() {
    
        var $submit = $("#submit_prog").hide(),
            $cbs = $('input[name="prog"]').click(function() {
                $submit.toggle( $cbs.is(":checked") );
            });
    
    });