JSFiddle - React, Tailwind, and code Playground

HTML

<input type="submit" onclick="javascript:load();"> 
<span id="load"> </span>

JavaScript

var el = document.getElementById('load');
var img = document.createElement('img');
img.src = 'http://conergy.cz/PortalData/1/Resources/de/bilder/icons/Test_icon.jpg';
el.appendChild(img);
//alert(el.innerHTML);