Decrement

Description

This operation decrements the key's value by a specific number.

Method

Backendless.Hive(hiveName).KeyValueStore(keyName).decrement(value): Promise<number>;

where:

Argument	Description
hiveName	Name of a hive where the operation is performed. String value.
keyName	Key name identifying a key-value pair. String value.
value	A number to decrement the value of the key.

Return Value

Тhe decremented value.

Example

The example below decrements the value associated with the key 'John' by 2.

await Backendless.Hive('workedHours').KeyValueStore('John').decrement(2)

where:

Argument	Description
'workedHours'	Name of a hive where the operation is performed.
'John'	Key name to decrement the associated value by 2.

Codeless Reference

where:

Argument	Description
hive name	Name of a hive where the operation is performed.
key name	Key name identifying a key-value pair.
decrement by	Specify a number to decrement the value by.

Returns the decremented value.

Consider the following Key Value storage:

The example below decrements the value for the "Apples" key by 2:

The key-value storage will look as shown below after the Codeless logic runs: