https://enjoyfurs.ru/assets/compo/js/widgets/imagesReplace.js

1(function ($) {
2    $.widget("compo.imagesReplace", {
3        _create: function () {
4            var self = this;
5
6            $(window).on('load', function() {
7                for (var i = 0; i < document.images.length; i++) {
8                    if (window.images_base_path != '' && !self.isImageOk(document.images[i]) ) {
9                        var img = $(document.images[i]);
10
11                        $(img).attr('src', window.images_base_path + '/' + $(img).attr('src'));
12                    }
13                }
14            });
15        },
16
17        isImageOk: function (img) {
18            // During the onload event, IE correctly identifies any images that
19            // weren't downloaded as not complete. Others should too. Gecko-based
20            // browsers act like NS4 in that they report this incorrectly.
21            if (!img.complete) {
22                return false;
23            }
24
25            // However, they do have two very useful properties: naturalWidth and
26            // naturalHeight. These give the true size of the image. If it failed
27            // to load, either of these should be zero.
28            if (typeof img.naturalWidth != "undefined" && img.naturalWidth == 0) {
29                return false;
30            }
31
32            // No other way of checking: assume it's ok.
33            return true;
34        }
35
36    });
37})(jQuery);