JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css">


    <div class="alert alert-warning">

        <a href="#" class="close" data-dismiss="alert">&times;</a>

        <strong>Warning!</strong> There was a problem with your network connection.

    </div>

JavaScript

$( ".close" ).on('click', function() {
alert('close clicked');
});