JSFiddle - React, Tailwind, and code Playground
HTML
<div id="urldiv">KEINE URL</div>
<div>
<img src="http://www.scstattegg.at/images/netz-auge.jpg" onclick="picurl(this);">
<img src="http://www.pictokon.net/bilder/2007-06-g/sonnenhut-bestimmung-pflege-bilder.jpg.jpg" onclick="picurl(this);">
</div>
JavaScript
picurl = function(imgtag) {
document.getElementById("urldiv").innerHTML = imgtag.getAttribute("src");
}