/a></span></code></pre>
<p>At this point, you can either persist your changes via <code>save()</code> or you
can rollback your changes. Calling <code>rollback()</code> reverts all the
<code>changedAttributes</code> to their original value.</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript">person<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'isDirty'</span><span cla