김천용

<p>현재 강좌에서 빠진거같은데</p>
<pre class="language-markup"><code><script src="https://www.gstatic.com/firebasejs/5.9.1/firebase-auth.js"></script>
<script src="https://www.gstatic.com/firebasejs/5.9.1/firebase-database.js"></script>
<script src="https://www.gstatic.com/firebasejs/5.9.1/firebase-firestore.js"></script>

맨위에 firebase-auth.js 모듈추가해줘야 auth()메소드 사용가능합니다.</code></pre>