# firebase-js-sdk | Firebase | Knowledge Base | Instagit

Firebase Javascript SDK

GitHub Stars: 5.1k

Repository: https://github.com/firebase/firebase-js-sdk

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## Articles

### [How to Retrieve Access Token and Google ID After Sign-In with React OAuth Google](/firebase/firebase-js-sdk/react-oauth-google-token-id)

Easily get access token and Google ID in React OAuth Google. Capture tokens from useGoogleLogin hook and create Firebase compatible credentials for seamless integration.

- Tags: how-to-guide
- Published: 2026-02-21

### [How to Implement React Google Login with Firebase Auth: Best Practices and Common Pitfalls](/firebase/firebase-js-sdk/react-google-login-best-practices-pitfalls)

Master React Google login with Firebase Auth best practices. Avoid common pitfalls like popup blockers and SSR issues for seamless authentication.

- Tags: best-practices
- Published: 2026-02-16

### [React GA4 Best Practices: Integrating Google Analytics 4 with gtag.js in React Applications](/firebase/firebase-js-sdk/react-ga4-gtag-best-practices)

Implement React GA4 with gtag js using the Firebase Analytics SDK. Discover best practices for script injection, initialization, and event queuing with a custom hook and route tracker. Learn more.

- Tags: best-practices
- Published: 2026-02-16

### [How to Load Axios from a CDN in Plain JavaScript Without npm](/firebase/firebase-js-sdk/how-to-use-axios-cdn-in-plain-js)

Learn to load Axios from a CDN in plain JavaScript with script tags or ES module imports. Access powerful HTTP requests without npm installation.

- Tags: how-to-guide
- Published: 2026-02-16