<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Consolas, 'Courier New', monospace; font-size: 14px; line-height: 19px; white-space: pre;"><span style="color: #9cdcfe;">[</span><span style="color: #4fc1ff;">ADD</span><span style="color: #9cdcfe;">]:</span>&nbsp;(<span style="color: #9cdcfe;">state</span>,&nbsp;<span style="color: #9cdcfe;">action</span>)&nbsp;<span style="color: #569cd6;">=&gt; { }</span></div>
<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Consolas, 'Courier New', monospace; font-size: 14px; line-height: 19px; white-space: pre;"><span style="color: #569cd6;"></span></div>
<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Consolas, 'Courier New', monospace; font-size: 14px; line-height: 19px; white-space: pre;"><span style="color: #569cd6;">이런코드일때 ADD라 안쓰고 왜 [ADD]라 쓰는건가용 ?</span></div>

<p>안녕하세요<br />속성 이름에 대괄호를 사용하는 문법을 computed property names 라고 부릅니다<br />https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Object_initializer#Computed_property_names</p>
<p>아래 결과를 보시면 이해하실 수 있을거에요</p>
<p><img src="https://cdn.inflearn.com/public/comments/c092a4e4-d004-4946-a43d-e2e7631162d3/blob" alt="" /></p>

<p>아항 감사합니다 선생님 ~</p>

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