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@firebase/database
Advanced tools
This is the Firebase Realtime Database component of the Firebase JS SDK.
The @firebase/database package is a client library for Firebase Realtime Database, a cloud-hosted database. Data is stored as JSON and synchronized in realtime to every connected client. It offers APIs that allow developers to easily store and sync data across multiple clients and platforms.
Realtime Data Syncing
This feature allows you to listen for and receive data in realtime from the Firebase database. Whenever data changes, the event is triggered and the callback function is executed with the updated data.
firebase.database().ref('/path/to/data').on('value', (snapshot) => {
const data = snapshot.val();
console.log(data);
});
Data Writing
Enables you to write data to a specified path in your Firebase database. This can be used to add new data or overwrite existing data at the path.
firebase.database().ref('/path/to/data').set({
username: 'name',
email: 'email@example.com',
profile_picture : 'imageUrl'
});
Data Reading
Allows you to read data from your Firebase database. This method fetches data once without listening for changes.
firebase.database().ref('/path/to/data').once('value').then((snapshot) => {
const data = snapshot.val();
console.log(data);
});
Data Deleting
This feature enables you to delete data from your Firebase database at a specified path.
firebase.database().ref('/path/to/data').remove();
PouchDB is an open-source JavaScript database inspired by Apache CouchDB that is designed to run well within the browser. It allows you to store data locally while offline, then synchronize it with CouchDB and compatible servers when the application is back online, similar to the realtime syncing capabilities of @firebase/database.
Realm is a mobile database that runs directly inside phones, tablets or wearables. It offers realtime and offline data storage/syncing. Realm differs from @firebase/database in that it's more focused on local storage, but it also supports syncing data with the cloud.
RxDB (Reactive Database) is a realtime NoSQL database for JavaScript Applications. It supports reactive data queries so you can program in a reactive style. This is similar to @firebase/database's realtime data syncing but RxDB uses a different approach, focusing on the reactive programming paradigm.
This is the Firebase Realtime Database component of the Firebase JS SDK.
This package is not intended for direct usage, and should only be used via the officially supported firebase package.
FAQs
This is the Firebase Realtime Database component of the Firebase JS SDK.
We found that @firebase/database demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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