我尝试使用 firebase （电子邮件和密码）构建一个身份验证应用程序，但我对 firebase 方法有问题。当我致电 firebase.auth 时，他们说“这不是一个函数”。是因为我的项目和 firebase SDK 没有链接吗？
您有什么建议吗？:)
<!doctype html>
<html lang="fr">
<head>
<meta charset="utf-8">
<!-- The core Firebase JS SDK is always required and must be listed first -->
<script src="https://www.gstatic.com/firebasejs/7.6.0/firebase-app.js"></script>
<!-- TODO: Add SDKs for Firebase products that you want to use
https://firebase.google.com/docs/web/setup#available-libraries -->
<script src="https://www.gstatic.com/firebasejs/7.6.0/firebase-analytics.js"></script>
<script>
// Your web app's Firebase configuration
var firebaseConfig = {
apiKey: "secret",
authDomain: "secret",
databaseURL: "secret",
projectId: "secret",
storageBucket: "secret",
messagingSenderId: "secret",
appId: "secret",
measurementId: "secret"
};
// …