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    zaasmiZ
    @zareen The “Uncaught TypeError: firebase.auth is not a function” error typically arises when the Firebase Authentication module hasn’t been correctly imported or initialized in your JavaScript code. Here’s a breakdown of the common causes and solutions: Missing Firebase Authentication import: Ensure you’ve imported the getAuth function from the Firebase Authentication module. JavaScript import { getAuth } from "firebase/auth"; Incorrect Firebase initialization: Verify that you have correctly initialized Firebase with your project credentials before attempting to use firebase.auth(). JavaScript import { initializeApp } from "firebase/app"; const firebaseConfig = { // Your Firebase configuration }; const app = initializeApp(firebaseConfig); const auth = getAuth(app); Conflicting Firebase script inclusions: If you’re including Firebase scripts directly in your HTML, ensure there are no duplicate inclusions or conflicts. Make sure that firebase-app.js and firebase-auth.js (or their modular equivalents) are included. Using outdated Firebase SDK: If you’re using an older version of the Firebase SDK, the firebase.auth() method might not be available. Consider updating to the latest version. Compatibility issues: If you’ve recently updated other libraries or are encountering unusual behavior, there might be compatibility issues. Check for known conflicts and consider using compatibility versions if necessary. Scope or context issues: In some cases, the firebase object might not be accessible in the scope where you’re trying to use it. Ensure that it’s properly defined and accessible within the relevant function or module. Asynchronous operations: If you’re calling firebase.auth() before Firebase has fully initialized, it might result in this error. Ensure that Firebase is initialized before attempting to use its services. Mixing modular and namespaced syntax: If you’re using the modular syntax (e.g., getAuth) in some parts of your code and the older namespaced syntax (e.g., firebase.auth()) in others, it can lead to conflicts. Stick to one syntax consistently throughout your project.
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