r">=></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">//=> false</span>
<span aria-hidden="true" class="line-numbers-rows"><a href="#C7_L1" id=C7_L1></a><a href="#C7_L2" id=C7_L2></a><a href="#C7_L3" id=C7_L3></a><a href="#C7_L4" id=C7