JSFiddle - React, Tailwind, and code Playground

by Annie Lagang

HTML

<h1>Click anywhere to start some AJAX</h1>
           
<p><strong>Pellentesque habitant morbi tristique</strong> senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. <em>Aenean ultricies mi vitae est.</em> Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, <code>commodo vitae</code>, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. <a href="#">Donec non enim</a> in turpis pulvinar facilisis. Ut felis.</p>

<h2>Header Level 2</h2>
           
<ol>
   <li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
   <li>Aliquam tincidunt mauris eu risus.</li>
</ol>

<blockquote><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus magna. Cras in mi at felis aliquet congue. Ut a est eget ligula molestie gravida. Curabitur massa. Donec eleifend, libero at sagittis mollis, tellus est malesuada tellus, at luctus turpis elit sit amet quam. Vivamus pretium ornare est.</p></blockquote>

<h3>Header Level 3</h3>

<ul>
   <li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li>
   <li>Aliquam tincidunt mauris eu risus.</li>
</ul>

<pre><code>
#header h1 a { 
    display: block; 
    width: 300px; 
    height: 80px; 
}
</code></pre>
<div class="modal"></div>

CSS

/* Start by setting display:none to make this hidden.
   Then we position it in relation to the viewport window
   with position:fixed. Width, height, top and left speak
   speak for themselves. Background we set to 80% white with
   our animation centered, and no-repeating */
.modal {
    display:    none;
    position:   fixed;
    z-index:    1000;
    top:        0;
    left:       0;
    height:     100%;
    width:      100%;
    background: rgba( 255, 255, 255, .8 ) 
                url('http://sampsonresume.com/labs/pIkfp.gif') 
                50% 50% 
                no-repeat;
}

/* When the body has the loading class, we turn
   the scrollbar off with overflow:hidden */
body.loading {
    overflow: hidden;   
}

/* Anytime the body has the loading class, our
   modal element will be visible */
body.loading .modal {
    display: block;
}

JavaScript

$body = $("body");

$(document).on({
    ajaxStart: function() { $body.addClass("loading");    },
     ajaxStop: function() { $body.removeClass("loading"); }    
});

// Initiates an AJAX request on click
$(document).on("click", function(){
    $.get("/mockjax");        
});

/*!
 * MockJax - jQuery Plugin to Mock Ajax requests
 *
 * Version:  1.5.3
 * Released:
 * Home:   http://github.com/appendto/jquery-mockjax
 * Author:   Jonathan Sharp (http://jdsharp.com)
 * License:  MIT,GPL
 *
 * Copyright (c) 2011 appendTo LLC.
 * Dual licensed under the MIT or GPL licenses.
 * http://appendto.com/open-source-licenses
 */ (function($) {
    var _ajax = $.ajax,
        mockHandlers = [],
        mockedAjaxCalls = [],
        CALLBACK_REGEX = /=\?(&|$)/,
        jsc = (new Date()).getTime();


    // Parse the given XML string.
    function parseXML(xml) {
        if (window.DOMParser == undefined && window.ActiveXObject) {
            DOMParser = function() {};
            DOMParser.prototype.parseFromString = function(xmlString) {
                var doc = new ActiveXObject('Microsoft.XMLDOM');
                doc.async = 'false';
                doc.loadXML(xmlString);
                return doc;
            };
        }

        try {
            var xmlDoc = (new DOMParser()).parseFromString(xml, 'text/xml');
            if ($.isXMLDoc(xmlDoc)) {
                var err = $('parsererror', xmlDoc);
                if (err.length == 1) {
                    throw ('Error: ' + $(xmlDoc).text());
                }
            } else {
                throw ('Unable to parse XML');
            }
            return xmlDoc;
        } catch (e) {
            var msg = (e.name == undefined ? e : e.name + ': ' + e.message);
            $(document).trigger('xmlParseError', [msg]);
            return undefined;
        }
    }

    // Trigger a jQuery event
    function trigger(s, type, args) {
        (s.context ? $(s.context) : $.event).trigger(type, args);
    }

    // Check...