https://aaoproject.org/wp-content/themes/aaoproject-v01/library/js/ahpi.imgload.js

1/*
2 * Special event for image load events
3 * Needed because some browsers does not trigger the event on cached images.
4
5 * MIT License
6 * Paul Irish     | @paul_irish | www.paulirish.com
7 * Andree Hansson | @peolanha   | www.andreehansson.se
8 * 2010.
9 *
10 * Usage:
11 * $(images).bind('load', function (e) {
12 *   // Do stuff on load
13 * });
14 * 
15 * Note that you can bind the 'error' event on data uri images, this will trigger when
16 * data uri images isn't supported.
17 * 
18 * Tested in:
19 * FF 3+
20 * IE 6-8
21 * Chromium 5-6
22 * Opera 9-10
23 */
24(function ($) {
25	$.event.special.load = {
26		add: function (hollaback) {
27			if ( this.nodeType === 1 && this.tagName.toLowerCase() === 'img' && this.src !== '' ) {
28				// Image is already complete, fire the hollaback (fixes browser issues were cached
29				// images isn't triggering the load event)
30				if ( this.complete || this.readyState === 4 ) {
31					hollaback.handler.apply(this);
32				}
33
34				// Check if data URI images is supported, fire 'error' event if not
35				else if ( this.readyState === 'uninitialized' && this.src.indexOf('data:') === 0 ) {
36					$(this).trigger('error');
37				}
38				
39				else {
40					$(this).bind('load', hollaback.handler);
41				}
42			}
43		}
44	};
45}(jQuery));