JSFiddle - React, Tailwind, and code Playground

HTML

<div id="parent">

</div>

JavaScript

$('.item-box img').load(function () {
    $(this).parent().fadeIn(500);
});

setInterval(function() {
    $("#parent").append('<div class="item-box etc etc"' +  'style="display:none">' + 
    '<img src="http://i.stack.imgur.com/GnAR9.png?s=128&g=1">' + 
'</div>'); 
}, 500);