fy native
prototypes, Ember.js allows you to completely disable the extensions
described above.</p>
<p>To do so, simply set the <code>EXTEND_PROTOTYPES</code> flag to <code>false</code>:</p>
<pre class="language-javascript line-numbers"><code class="javascript language-javascript">window<span class="token punctuation">.</span>EmberENV <span class="token operator">=</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>
EmberENV<span cl