span class="token operator">=></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 comment">//=> true</span>
<span aria-hidden="true" class="line-numbers-rows"><a href="#C8_L1" id=C8_L1></a><a href="#C8_L2" id=C8_L2></a><a href="#C8_L3" id=C8_L3></