an>
  <span class="token keyword">return</span> person<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'isHappy'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token comment">// returns false</span>
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