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Firebase offers developer documentation for its products and features, such as databases, machine learning, hosting, and analytics. Find guides, codelabs, reference docs, and samples to learn and build with Firebase.
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Option 1: Add Firebase using the Firebase console. Adding...
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Firebase provides two API surfaces for Web apps: 1. JavaScript - namespaced.This is the JavaScript interface that Firebasemaintained for many years and is familiar to Web developers with olderFirebase apps. Because the namespaced API does not benefit from ongoingnew feature support, most new apps should instead adopt the modular API. 2. JavaScript ...
Firebase provides JavaScript libraries for most Firebase products, includingRemote Config, FCM, and more. How you add Firebase SDKs to yourWeb app depends on what tooling you're using with your app (like a modulebundler). You can add any of theavailable librariesto your app via one of thesupported methods: 1. npm (for module bundlers) 2. CDN (conte...
Firebase's Web SDK can be used in both browser and Node applications.However, several products are not available in Node environments.See the list of supported environments. Some product SDKs provide separate browser and Node variants, each of whichare provided in both ESM and CJS formats, and some product SDKs even provideCordova or React Native v...
To initialize Firebase in your app, you need to provide your app's Firebaseproject configuration. You can obtain your Firebase configobjectat any time. 1. We do not recommend manually editing your config object, especially thefollowing required "Firebase options": apiKey, projectId, and appID. Ifyou initialize your app with invalid or missing value...
Delay loading of Firebase SDKs
You can delay the inclusion of the Firebase SDKs until the entire page hasloaded. If you are using modular API CDN scripts with
Use multiple Firebase projects in a single app
In most cases, you only have to initialize Firebase in a single, default app.You can access Firebase from that app in two equivalent ways: Sometimes, though, you need to access multiple Firebase projects at the sametime. For example, you might want to read data from the database of one Firebaseproject but store files in a different Firebase project. Or you might want toauthenticate one project while keeping a second project unauthenticated. The Firebase JavaScript SDK allows you to initialize...
Run a local web server for development
If you're building a web app, some parts of the Firebase JavaScript SDK require thatyou serve your web app from a server rather than from the local filesystem. Youcan use the Firebase CLIto run a local server. If you already set up Firebase Hosting for your app, you might have alreadycompleted several of the steps below. To serve your web app, you'll use the Firebase CLI, a command-line tool. 1. Visit the Firebase CLI documentation to learn how toinstall the CLI orupdate to its latest version...
Find out how to use Firebase products in your Web app with JavaScript libraries. Compare the modular and namespaced APIs, the npm and CDN methods, and the available SDK variants.
Firebase is a platform for web and mobile app development by Google. Find documentation, codelabs, pathways, videos, and news to learn and build apps with Firebase.
Jul 27, 2021 · Learn about the new Firebase JS SDK that offers faster web performance and smaller bundle size. See the new API, the tree-shaking features, and the Firestore Lite package.
Find answers to your questions about Firebase projects, products, and features. Browse help topics, learn how to use Firebase tools, and get tips and best practices.
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