=C3_L8></a></span></code></pre>
<p>This is especially useful when you depend on properties of an object, since it allows you to replace:</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript"><span class="token keyword">let</span> obj <span class="token operator">=</span> Ember<span class="token punctuation">.</span>Object<span class="token punctuation">.</span><span class="token function">extend</span><span class="token punctuation">(</span><span class="token punctua