JSFiddle - React, Tailwind, and code Playground

by meo

HTML

<img src="http://testmag.co.uk/wp-content/uploads/2011/06/TEST-PRESENTS.jpg" alt="test" class="image" />

<img src="http://www.mytabletbooksqa.com/ProductImages/test1.gif" class="image" />

CSS

.image {
    display: none;
}

JavaScript

$(function(){
    
    $(".image").each(function(){
        if (this.complete || this.complete === undefined){
            alert( "Das Bild " + this.src.split("/").pop() + " Wurde soeben geladen, obwohl es nicht angezeigt wird");
        }
    });
});