JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http:////maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<div class="panel panel-default">
  <div class="panel-body">
    <a href="#" target="_blank">
      <p>Basic panel example</p>
      <button type="button" class="close" id="close">&times;</button>
    </a>
  </div>
</div>

JavaScript

$("#close").click(function(e)
{
    e.preventDefault();
    alert("Your panel is closed!");
});