'</span><span class="punctuation">,</span> <span class="string">'fido'</span><span class="punctuation">,</span> <span class="string">'species'</span><span class="punctuation">,</span> <span class="string">'dog'</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="comment">// Since the data didn't actually change, the listener was not called.</span>
</code></pre><p>It is important to note that by default, you can&#x27;t mutate the <a href="/api/the-essentials/creating-store