JSFiddle - React, Tailwind, and code Playground

HTML

<img src="/dont-exist/" alt="" />
<img src="http://www.gravatar.com/avatar/57024b2da210921d42639e3ca509afe8?s=32&d=identicon&r=PG" alt="" />

CSS

img {
 width: 30px;
 height: 30px;   
 border: 2px solid black   
}

JavaScript

Array.forEach(document.getElementsByTagName('img'), function(img) {
    img.addEventListener('error', function() {
        this.style.border = '5px solid red';
    }, false);
});