class="token keyword">const</span> Person <span class="token operator">=</span> EmberObject<span class="token punctuation">.</span><span class="token function">extend</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token function">say</span><span class="token punctuation">(</span><span class="token parameter">thing</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token function">alert</span><span cl