firebaseのデータベースを使うときにUncaught TypeError: firebase.database is not a functionと吐かれた時の解決法 - Qiita<!-- The core Firebase JS SDK is always required and must be listed first --> <script src="https://www.gstatic.com/firebasejs/6.2.4/firebase-app.js"></script> <!-- TODO: Add SDKs for Firebase products that you want to use https://firebase.google.com/docs/web/setup#config-web-app --> <script> // Your web app's Firebase configuration var firebaseConfig = { apiKey: "***", authDomain: "***", databaseU
