 now also rendering the value of that variable in the button label.</p>
<p>You can now update the label of the button by clicking the button. Since we used <code>m.mount</code>, you don&#39;t need to manually call <code>m.render</code> to apply the changes in the <code>count</code> variable to the HTML; Mithril does it for you.</p>
<p>If you&#39;re wondering about performance, it turns out Mithril is very fast at rendering updates, because it only touches the parts of the DOM it absolutely needs to. So in o