JSFiddle - React, Tailwind, and code Playground

CSS

body {
    white-space: pre;
}

JavaScript

function loadImage(src) {
    var image = new Image;
    image.onload = function() {
        if ('naturalHeight' in this) {
            if (this.naturalHeight + this.naturalWidth === 0) {
                this.onerror();
                return;
            }
        } else if (this.width + this.height == 0) {
            this.onerror();
            return;
        }
        document.body.appendChild(image);
    };
    image.onerror = function() {
        document.body.appendChild(document.createTextNode('\nError loading as image: ' + this.src));
        //display error
    };
    image.src = src;
}
loadImage('/favicon.ico');
loadImage('/favicon.ico');
loadImage('/err');
loadImage('/moo.ico');
loadImage('http://www.example.com/');
 loadImage('http://www.example.com/');