troubleshooting the issue and resolving the error related to firebase.initialize App

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Jhon Oliver

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Jan 1, 2024, 12:45:13 AM1/1/24
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While integrating Firebase SDK into a web application, We encounters an error despite following the installation steps meticulously. The Firebase SDK for web was downloaded and included in the HTML file using <script> tags as specified in the documentation. However, upon loading the web app, the console displays an error message stating: "Uncaught TypeError: firebase.initializeApp is not a function."

On provided data, We tried our best and ensure ensured that the Firebase SDK script was properly sourced and that the configuration object for initializing Firebase was correctly structured.

What troubleshooting steps and considerations should be taken to address this issue? How can the developer resolve the error related to the firebase.initializeApp function not being recognized?


Thanks for your precious time.

I hope our issue will be resolved with the help of experts.

Jen Harvey Hugg

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Jan 2, 2024, 10:04:19 AM1/2/24
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Hi, Jhon:

Are you using ESM? If not, you should use import statements instead of <script> tags as described in Install the SDK and initialize Firebase (Web). If you are using ESM, make sure you're linking to the full path of the JS module (see the note in Install the SDK and initialize Firebase).

If that doesn't do the trick, contact Firebase Support and the team can take a closer look and help you troubleshoot--be sure to include the framework/language you're using, environment, project ID, sample code, and anything else that might help our team help you faster. 

Thanks!

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