JSFiddle - React, Tailwind, and code Playground
HTML
<div id="images" class="images hidden">
<img src="http://lorempixel.com/200/200/cats/" style="">
</div>
<div>
<button onclick="showImage">Click to show image</button>
</div>
CSS
.hidden {
dispaly: none;
}
JavaScript
function showImage() {
var images = document.getElementById('images');
images.className = images.className.replace('hidden',' ');
}