JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<button>Add Thing</button>
<div class="canvas"></div>

CSS

.thing {
  width: 50px;
  height: 50px;
  background: red;
}

.close {
  background: blue;
  color: white;
}

.canvas {
  border: 1px solid black;
  width: 500px;
  height: 500px;
}

JavaScript

$(document).ready(function(){
	$('body').on('click', 'button', function(){
		var thing	  = '<div class="thing"></div>';
		var close	  = '<a href="#" class="close">close</a>';

		$(thing).append(close);
    
		$('.canvas').append(thing);
    
		return false;
	});
});