未捕获的 ReferenceError：未为 Web 定义 firebase
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Welcome to Firebase Hosting</title>
<!-- update the version number as needed -->
<script defer src="/__/firebase/7.17.1/firebase-app.js"></script>
<!-- include only the Firebase features as you need -->
<script defer src="/__/firebase/7.17.1/firebase-auth.js"></script>
<script defer src="/__/firebase/7.17.1/firebase-database.js"></script>
<script defer src="/__/firebase/7.17.1/firebase-messaging.js"></script>
<script defer src="/__/firebase/7.17.1/firebase-storage.js"></script>
<!-- initialize the SDK after all desired features are loaded -->
<script defer src="/__/firebase/init.js"></script>
<script defer src="https://www.gstatic.com/firebasejs/ui/4.6.0/firebase-ui-auth.js"></script>
<link type="text/css" rel="stylesheet" href="https://www.gstatic.com/firebasejs/ui/4.6.0/firebase-ui-auth.css" />
<script defer>
var uiConfig = {
signInSuccessUrl: 'main.html',
signInOptions: [
firebase.auth.GoogleAuthProvider.PROVIDER_ID,
firebase.auth.EmailAuthProvider.PROVIDER_ID
],
tosUrl: '<your-tos-url>',
// Privacy policy url/callback.
privacyPolicyUrl: function() {
window.location.assign('<your-privacy-policy-url>');
}
};
var ui = new firebaseui.auth.AuthUI(firebase.auth());
ui.start('#firebaseui-auth-container', uiConfig);
</script>
当我在浏览器中打开页面时，出现以下错误Uncaught ReferenceError: firebase is not defined。我不确定如何解决这个问题。我正在使用保留的托管网址来下载 Firebase JS SDK。我的理解是initializeApp()不需要您在其他帖子中看到的有关该问题的配置变量和方法，对吗？我真的不确定发生了什么。我尝试将脚本插入文档的主体和头部。我什至尝试使用插入在 body 元素底部的单独的 js 文件。
largeQ1回答
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守着一只汪
我无法解决问题。最后，我选择不使用 FirebaseUI，而是创建了自己的登录流程。
随时随地看视频慕课网APP
相关分类
JavaScript