JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://raw.github.com/azicchetti/jquerymobile-router/master/js/jquery.mobile.router.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/mobile/latest/jquery.mobile.min.css">
<script src="http://code.jquery.com/mobile/latest/jquery.mobile.min.js"></script>
<a href="#" onClick="carica()">carica</a>

<div id="bloccoEsercizioGuidato">
        <a href="#" data-role="button" data-icon="clock" data-iconpos="bottom" data-theme="a" onclick="segnalaEsecuzione()">
        <h3>12 ripetizioni</h3>
        <p> Recupero 2 min. e 30 sec.</p>
         <h5>Clicca appena hai eseguito la serie</h5>
        </a> 
</div>

JavaScript

function carica(){
    alert('test');
		
}