JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/css/bootstrap-combined.min.css">
<a id="show-my-alert" href="#">Show Alert</a>

<div id="my-alert" class="alert alert-warning hidden" role="alert">
    <button type="button" class="close" data-dismiss="alert" aria-label="Close">    
        <span aria-hidden="true">&times;</span>
    </button> 
    <strong>Warning!</strong> Better check yourself, you're not looking too good.</div>

JavaScript

$("#show-my-alert, .close").click(function () {
    $("#my-alert").toggleClass("hidden");
});