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Reference interface
A Reference
represents a specific location in your Database and can be used for reading or writing data to that Database location.
You can reference the root or child location in your Database by calling ref()
or ref("child/path")
.
Writing is done with the set()
method and reading can be done with the on*()
method. See https://firebase.google.com/docs/database/web/read-and-write
Signature:
export declare interface Reference extends Query
Extends: Query
Properties
Property | Type | Description |
---|---|---|
key | string | null | The last part of the Reference 's path.For example, "ada" is the key for https://<DATABASE_NAME>.firebaseio.com/users/ada .The key of a root Reference is null . |
parent | Reference | null | The parent location of a Reference .The parent of a root Reference is null . |
root | Reference | The root Reference of the Database. |