JSFiddle - React, Tailwind, and code Playground

HTML

<a href=http://www.reallynowhere.org>CLICK!</a>

CSS

.loadingDiv {
   position: fixed;
   top:20px;    
   left:20px;    
   right:20px;    
   bottom:20px;    
   background-color: yellow;
}

JavaScript

$('a').click(function(){
   $('<div class=loadingDiv>loading...</div>').prependTo(document.body); 
});