Interface ServerValue

The ServerValue interface provides access to Firebase server values.

interface ServerValue {
TIMESTAMP: object;
increment(delta: number): object;
}

Index

Methods

Properties

Methods

increment

increment(delta: number): object
Returns a placeholder value that can be used to atomically increment the current database value by the provided delta.

Example
```
firebase.database().ref('posts/123').update({
  likes: firebase.database.ServerValue.increment(1),
});
```
Parameters
- delta: number
  The amount to modify the current value atomically.
Returns object
- Defined in index.d.ts:90

Properties

TIMESTAMP

TIMESTAMP: object

A placeholder value for auto-populating the current timestamp (time since the Unix epoch, in milliseconds) as determined by the Firebase servers.

Example

firebase.database().ref('sessions').push({
  startedAt: firebase.database.ServerValue.TIMESTAMP,
});