JSFiddle - React, Tailwind, and code Playground

HTML

<img class="thumbnail-image" data-full="http://google.com/logos/2011/pierre_de_fermat-2011-hp.jpg" src="http://images.hi5.com/images/hi5_logo_trans.png" />

JavaScript

var img = $('.thumbnail-image').each(function() {
 $(this).load(function() {
   alert('image has changed and loaded');
 })
 .error(function() {
   alert('image has failed to load');
 }).attr('src');
});