https://code.jquery.com/jquery-3.2.1.slim.min.js is the slim edition of jquery, which does not include ajax. slim is the default version included in an Express server. Use the full version of jquery at https://code.jquery.com/jquery-3.2.1.min.js
No need for ajax. You can create a new image element, set its source attribute and place it somewhere in the document once it has finished loading: var img = $(“<img />”).attr(‘src’, ‘http://somedomain.com/image.jpg’) .on(‘load’, function() { if (!this.complete || typeof this.naturalWidth == “undefined” || this.naturalWidth == 0) { alert(‘broken image!’); } else { $(“#something”).append(img); } … Read more
If the src is already set, then the event is firing in the cached case, before you even get the event handler bound. To fix this, you can loop through checking and triggering the event based off .complete, like this: $(“img”).one(“load”, function() { // do stuff }).each(function() { if(this.complete) { $(this).load(); // For jQuery < … Read more