ction aria-labelledby="toc_defining-classes">
<p>To define a new Ember <em>class</em>, call the <a href="https://api.emberjs.com/classes/Ember.Object.html#method_extend"><code>extend()</code></a> method on
<a href="https://api.emberjs.com/classes/Ember.Object.html"><code>Ember.Object</code></a>:</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript"><span class="token keyword">const</span> Person <span class="token operator">=</span> Ember<span class="token punctuatio