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<p> <img src="http://resrc.devdic.com/img/bykind/alpha/150x135_flower-error.png" /> <img src="http://resrc.devdic.com/img/bykind/alpha/150x135_flower.png" /> </p>
window.addEventListener("DOMContentLoaded", e => { Array.from(document.images, function(img) { img.addEventListener("load", function(e) { e.target.style.border = "1px solid #FF0000"; }); img.addEventListener("error", function(e) { e.target.style.border = "3px dotted #FF0000"; }); }); });
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