JSFiddle - React, Tailwind, and code Playground

by chris_s

HTML

<noscript data-src="http://www.cuteadorable.com/wp-content/uploads/2015/05/cuteadorable-kitty.jpg">
<img src="http://www.cuteadorable.com/wp-content/uploads/2015/05/cuteadorable-kitty.jpg" data-src="" alt="">
</noscript>

JavaScript

(function() {
	[].forEach.call(document.querySelectorAll('noscript'), function(noscript) {
	var img = new Image();
	img.setAttribute('data-src', '');
	img.parentNode.insertBefore(img, noscript);
	img.onload = function() {
		img.removeAttribute('data-src');
	};
	img.src = noscript.getAttribute('data-src');
});
})();