roll
back your changes. Calling
<a href="https://api.emberjs.com/ember-data/3.20/classes/Model/methods/rollbackAttributes?anchor=rollbackAttributes"><code>rollbackAttributes()</code></a>
for a saved record reverts all the <code>changedAttributes</code> to their original value.
If the record <code>isNew</code> it will be removed from the store.</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript">person<span class="token punctuation">.</span>hasDirtyAttributes<span c