JSFiddle - React, Tailwind, and code Playground

HTML

Here we are:
<div id="results"></div>

JavaScript

var $message_area = jQuery('#results');


$message_area.children().remove();

jQuery(document).ready(function() {
    $message_area.html('<i>Validating page...</i>  ');

    jQuery.get('http://lint.brihten.com/html/lint/', {url:'http://openconcept.ca'}, function(data) {
        alert('test');
        if (data.length === 0) {
            $message_area.append('<p>Error?</p>');
        }
        jQuery.each(data, function(key, val) {
            items.push('<li id="' + key + '">' + val + '</li>');
            $message_area.append('<p>In ' + data.status + ' (' + data.mistakes + '), your district is <b>' + data.mistakes.code + '</b>.</p>');
        });

        jQuery('<ul/>', {
            'class': 'my-new-list',
            html: items.join('')
        }).appendTo('body');

    });



});